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Processor Electrical Specifications I

Processor Electrical Specifications II

[ AMD 5x86-133(X5) | AMD K5 (SSA5/5k86) | AMD K6 (Model 6/Little Foot/Chompers/Sharptooth) | Mobile AMD K6 (Little Foot/Chompers/Sharptooth) | AMD Athlon/Duron (K7/K75/Thunderbird/Palomino/Thoroughbred/Barton/Spitfire/Morgan/Applebred) | Mobile AMD Duron/Athlon 4 (Spitfire/Morgan/Palomino/Thoroughbred) | Athlon 64/Athlon 64 FX (Clawhammer/Sledgehammer) | mobile Athlon 64 (Clawhammer) | Cyrix 5x86 (M9,M1sc) | Cyrix / IBM/SGS Thomson 6x86 (M1/M1R)]

All of the information contained on this page came directly from the various datasheets provided online. Links to the datasheets are provided at the bottom of the page. Since not all of the pertinent information is clearly spelled out in the datasheets, some of the numbers were calculated using formulas found in the datasheets. Where these calculations are used is clearly marked and the formulas used are also provided.

Please note that the 'Max. Case Temp.' is the maximum temperature allowable as measured on the exterior of the processor package in the middle directly above the chip die (under the heat sink). It is not the maximum internal ambient temperature of the system enclosure. The term 'case' refers to the processor's package, not the system case. For that, AMD suggests:

"The environmental specifications on most systems guarantee operation for external ambients up to 35C. Most PC chassis/system boxes result in a 10C increase in temperature over the external ambient temperature. In general, this means the thermal solution should be designed to allow an internal ambient (T_A) of 45C."

The other chips follow this rule similarly. The Pentium II chip, for example, allows a typical 35C~40C ambient temperature and a 45C upper ambient temperature limit. Although the internal ambient temperature of the system enclosure isn't nearly as important as the temperature of the processor package closest to the CPU die. Intel states:

"An ambient temperature is not specified for the Pentium II processor. The only restriction is that Tcover (cover temperature) and Tplate (thermal plate temperature) be met."

I added the Pentium II temperature Tplate, which is measured under the heatsink directly above the processor core. Tcover, on the other hand, is the measurement on the SEC cartridge on the opposite side from the heatsink.

AMD 5x86-133 (X5)
	Voltage	Abs. Max. Voltage	Typical Amperage	Maximum Amperage	Maximum Power Dissipation	Max. Case Temp.
X5-133ADW (168-pin PGA)	3.45V (3.0V~3.6V)	?V	0.825A	0.931A	3.7W	55 C
X5-133ADZ (168-pin PGA)	3.45V (3.0V~3.6V)	?V	0.825A	0.931A	3.7W	85 C
X5-133SFZ (208-pin SQFP)	3.3V (3.0V~3.6V)	?V	0.825A	0.931A	3.7W	85 C
X5-133SDZ (208-pin SQFP)	3.45V (3.0V~3.6V	?V	0.825A	0.931A	3.7W	85 C

x86 Notes:

Maximum power dissipation was calculated from P_max=(T_case-T_ambient)/(O_ja-O_jc). Where O_ja (theta) is junction-to-ambient thermal resistance and O_jc is junction-to-case thermal resistance in C/W. T_ambient was measured at 3.3V and 0.931A.

AMD K5 (SSA5/5k86)
	Voltage	Abs. Max. Voltage	Typical Amperage	Maximum Amperage	Maximum Power Dissipation	Max. Case Temp.
K5-PR75ABR (75MHz)	3.45V (3.0V~3.6V)	3.82V	2.7A	3.3A	11.6W	70 C
K5-PR90ABQ (90MHz)	3.45V (3.0V~3.6V)	3.82V	3.24A	3.96A	13.9W	60 C
K5-PR100ABQ (100MHz)	3.52V (3.45V~3.60V)	3.82V	3.6A	4.4A	15.4W	60 C
K5-PR120ABR (90MHz)	3.52V (3.45V~3.60V)	3.82V	2.7A	3.51A	13.7W	70 C
K5-PR133ABQ (100MHz)	3.52V (3.45V~3.60V)	3.82V	3.0A	3.9A	13.7W	60 C
K5-PR133ABR (100MHz)	3.45V (3.0V~3.6V	3.82V	3.0A	3.9A	3.7W	70 C
K5-PR150ABX (105MHz)	3.52V (3.45V~3.60V)		?A	?A	?W	65 C
K5-PR166ABX (116MHz)	3.52V (3.45V~3.60V)		3.5A	4.524A	16.0W	65 C

K5 Notes:

The Absolute Maximum Voltage is the highest voltage the chips can take for a short period of time. Extended use of the processor at or near these voltages will cause permanent damage to the chip. Reliable operation of the chip outside its nominal voltage range is not guaranteed.
Maximum power dissipation was calculated from P_max=(T_case-T_ambient)/O_ca. Where O_ca (theta) is case-to-ambient thermal resistance in C/W. T_ambient was measured at typical voltages and maximum amperages.

AMD K6 (Model 6/Little Foot/Chompers/Sharptooth)
	Core Voltage	Core Voltage Upper Limit	I/O Voltage	I/O Voltage Upper Limit	Maximum Core Amperage	Maximum I/O Amperage	Typical Power Dissipation	Maximum Power Dissipation	Max. Case Temp.
K6-166ALR	2.9V (2.755V~3.045V)	3.5V	3.3V (3.135V~3.6V)	4.0V	6.25A	0.48A	10.3W	17.2W	70° C
K6-200ALR	2.9V (2.755V~3.045V)	3.5V	3.3V (3.135V~3.6V)	4.0V	7.5A	0.5A	12W	20W	70° C
K6-233ANR (3.2v CORE)	3.2V (3.1V~3.3V)	3.5V	3.3V (3.135V~3.6V)	4.0V	9.5A	0.52A	17W	28.3W	70° C
K6-233APR (3.3v CORE)	3.3V (3.2V~3.4V)	3.5V	3.3V (3.135V~3.6V)	4.0V	9.75A	0.52A	18.2W	30.2W	70° C

K6-200AFR (2.2v CORE)	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	5.95A	0.5A	7.5W	12.45W	70° C
K6-233AFR (2.2v CORE)	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	6.5A	0.52A	8.1W	13.5W	70° C
K6-266AFR (2.2v CORE)	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	7.05A	0.54A	8.75W	14.55W	70° C
K6-300AFR (2.2v CORE)	2.2V (2.1V~2.3V)	2.5V	3.45V (3.135V~3.6V)	3.6V	7.49A	0.56A	9.25W	15.4W	70° C

K6-2-233AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	6.5A	0.52A	8.1W	13.5W	70° C
K6-2-266AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	7.35A	0.54A	8.85W	14.7W	70° C
K6-2-300AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	8.45A	0.56A	10.35W	17.2W	70° C
K6-2-333AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	9.4A	0.58A	11.4W	19W	70° C
K6-2-350AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	9.85A	0.6A	11.98W	19.95W	70° C
K6-2-366AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	10.3A	0.6A	12.48W	20.8W	70° C
K6-2-380AFR	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	10.7A	0.61A	12.95W	21.6W	70° C
K6-2-400AFQ	2.2V (2.1V~2.3V)	2.5V	3.3V (3.135V~3.6V)	3.6V	11.25A	0.62A	13.65W	22.7W	60° C
K6-2-400AFR	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	10A	0.62A	10.15W	16.9W	70° C
K6-2-450AFX	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	11.25A	0.66A	11.3W	18.8W	65° C
K6-2-450AHX	2.4V (2.3V~2.5V)	2.6V	3.3V (3.135V~3.6V)	3.6V	12.5A	0.66A	17.05W	28.4W	65° C
K6-2-475AFX	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	11.9A	0.67A	11.9W	19.8W	65° C
K6-2-475AHX	2.4V (2.3V~2.5V)	2.6V	3.3V (3.135V~3.6V)	3.6V	13A	0.67A	17.75W	29.6W	65° C
K6-2-500AFX	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	12.5A	0.69A	12.45W	20.75W	65° C
K6-2-533AFX	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	12.5A	0.69A	12.45W	20.75W	65° C
K6-2-550AGR	2.3V (2.2V~2.4V)	2.5V	3.3V (3.135V~3.6V)	3.6V	13A	0.69A	15W	25W	70° C

K6-III-400AFR	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	10.8A	0.62A	10.85W	18.1W	70° C
K6-III-400AHX	2.4V (2.3V~2.5V)	2.6V	3.3V (3.135V~3.6V)	3.6V	12.4A	0.62A	16.1W	26.8W	65° C
K6-III-450AFX	2.2V (2.1V~2.3V)	2.4V	3.3V (3.135V~3.6V)	3.6V	12.15A	0.66A	12.15W	20.2W	65° C
K6-III-450AHX	2.4V (2.3V~2.5V)	2.6V	3.3V (3.135V~3.6V)	3.6V	13.5A	0.66A	17.7W	29.5W	65° C

K6 Notes:

The 2.2v CORE K6 chip is the .25µ Model 7 K6.
Unlike most of the other chips listed here, the AMD K6, K6-2, and K6-III do not list an Absolute Maximum Voltage. Instead, they have a recommended upper limit for reliable operation of 3.5v/4.0v (2.5v/3.6v for Model 7 and Model 8; 2.6v/3.6v for Model 9). However, operation of the chip outside its nominal voltage range will still void the warranty.
Maximum amperages for the 166MHz and 200MHz chips were measured at 3.045v/3.6v.
Maximum amperages for the 233MHz (3.2v version) chip were measured at 3.3v/3.6v.
Maximum amperages for the 233MHz (3.3v version) chip were measured at 3.4v/3.6v.
Maximum amperages for Model 7 and Model 8 chips were measured at 2.3v/3.6v.
Maximum amperages for Model 9 chip were measured at 2.5v/3.6v.
Typical power dissipation was measured at normal operating voltages and under normal system operation (typical instruction sequences).
Maximum power dissipation was measured at normal operating voltages and under worst-case instruction sequences.
The specs listed in the datasheet for the 533MHz K6-2 part are exactly the same as the 500MHz part.

Mobile AMD K6 (Little Foot/Chompers/Sharptooth/???/???)
	Core Voltage	Core Voltage Upper Limit	I/O Voltage	I/O Voltage Upper Limit	Maximum Core Amperage	Maximum I/O Amperage	Typical Power Dissipation	Maximum Power Dissipation	Max. Case Temp.
mK6-233ACZ	2.0V (1.9V~2.1V)	2.5V	3.3V (3.135V~3.6V)	3.6V	4.65A	0.52A	5.4W	9W	85° C
mK6-266ACZ	2.0V (1.9V~2.1V)	2.5V	3.3V (3.135V~3.6V)	3.6V	5.1A	0.54A	5.9W	9.8W	85° C
mK6-300ADZ	2.1V (2.0V~2.2V)	2.5V	3.3V (3.135V~3.6V)	3.6V	5.5A	0.56A	6.6W	11W	85° C

mK6-2-266ANZ	1.8V (1.7V~1.9V)	2.5V	3.3V (3.135V~3.6V)	3.6V	5.05A	0.54A	8W	9W	85° C
mK6-2-300ANZ	1.8V (1.7V~1.9V)	2.5V	3.3V (3.135V~3.6V)	3.6V	5.5A	0.56A	8.85W	10W	85° C
mK6-2-333ANZ	1.8V (1.7V~1.9V)	2.5V	3.3V (3.135V~3.6V)	3.6V	6.25A	0.58A	9.65W	11W	85° C
mK6-2-P-350AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8A	0.6A	12.6W	16W	80° C
mK6-2-P-366AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8A	0.6A	12.6W	16W	80° C
mK6-2-P-380AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8A	0.61A	12.6W	16W	80° C
mK6-2-P-400AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8A	0.62A	12.6W	16W	80° C
mK6-2-P-400ACK	2.0V (1.9V~2.1V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8A	0.62A	12.6W	16W	80° C
mK6-2-P-433ADK	2.1V (2.0V~2.2V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.64A	12.6W	16W	80° C
mK6-2-P-450ADK	2.1V (2.0V~2.2V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.66A	12.6W	16W	80° C
mK6-2-P-475ACK	2.0V (1.9V~2.1V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8A	0.67A	12.6W	16W	80° C

mK6-III-P-350AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.6A	12.6W	16W	80° C
mK6-III-P-366AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.6A	12.6W	16W	80° C
mK6-III-P-380AFK	2.2V (2.1V~2.3V)	2.6V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.61A	12.6W	16W	80° C
mK6-III-P-400ACK	2.0V (1.9V~2.1V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.62A	12.6W	16W	80° C
mK6-III-P-433ACK	2.0V (1.9V~2.1V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.64A	12.6W	16W	80° C
mK6-III-P-450ACK	2.0V (1.9V~2.1V)	2.4V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.66A	12.6W	16W	80° C

mK6-2+-450ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.66A	12.6W	16W	85° C
mK6-2+-475ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.67A	12.6W	16W	85° C
mK6-2+-500ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.68A	12.6W	16W	85° C
mK6-2+-533ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	9.5A	0.68A	14.2W	18W	85° C
mK6-2+-550ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	9.5A	0.69A	14.2W	18W	85° C

mK6-III+-450ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.66A	12.6W	16W	85° C
mK6-III+-475ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.67A	12.6W	16W	85° C
mK6-III+-500ACZ	2.0V (1.9V~2.1V)	2.2V	3.3V (3.135V~3.6V)	3.6V	8.5A	0.68A	12.6W	16W	85° C

Mobile K6 Notes:

The mobile 433MHz K6-2-P and K6-III-P run at a very unusual bus speed of 96.2MHz with a 4.5x multiplier.
Unlike most of the other chips listed here, the AMD K6, K6-2, and K6-III do not list an Absolute Maximum Voltage. Instead, they have a recommended upper limit for reliable operation of 2.5v/3.6v. However, operation of the chip outside its nominal voltage range will still void the warranty.
Maximum amperages for the mobile K6 and K6-2 were measured at each chip's maximum voltage.
Typical power dissipation was measured at normal operating voltages and under normal system operation (typical instruction sequences).
Maximum power dissipation was measured at normal operating voltages and under worst-case instruction sequences.
All values apply to both the PGA (pin grid array) and BGA (ball grid array) mobile chips. PGA chips come with the 'ANZ' designation; BGA come with 'BNZ'. The mobile K6-2-P and K6-III-P only come in 321-pin PGA form.
Maximum amperages for the mobile K6-2-P and K6-III are the maximum a power supply will have to deliver to the chip.
Application Power (listed as Typical Power Dissipation in the above chart) for the mobile K6-2-P, K6-III-P, K6-2+, and K6-III+ is the average power dissipated when executing instructions sequences under normal system operation (2.2v/3.3v or 2.0v/3.3v).
Design Power (listed as Max Power Dissipation in the above chart) for the mobile K6-2-P, K6-III-P, K6-2+, and K6-III+ is the maximum sustained power dissipated when executing instructions sequences under normal system operation (2.2v/3.3v or 2.0v/3.3v).

AMD Athlon/Duron (K7/K75/Thunderbird/Palomino/Thoroughbred/Barton/Spitfire/Morgan/Applebred)
	Core Voltage	Core Voltage Upper Limit	L2 Voltage	L2 Voltage Upper Limit	Maximum Core Amperage	Typical Power Dissipation	Maximum Power Dissipation	Max. Case Temp.
K7-500	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	27.4A	38W	42W	70° C
K7-550	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	30.1A	41W	46W	70° C
K7-600	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	32.9A	45W	50W	70° C
K7-650	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	35.5A	48W	54W	70° C
K7-700	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	33.1A	45W	50W	70° C

K75-550	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	20A	28W	31W	70° C
K75-600	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	21.5A	30W	34W	70° C
K75-650	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	22.9A	32W	36W	70° C
K75-700	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	24.4A	34W	39W	70° C
K75-750	1.6V (1.5V~1.7V)	2.1V	3.3V (3.15V~3.45V)	4.0V	25.8A	35W	40W	70° C
K75-800	1.7V (1.6V~1.8V)	2.1V	3.3V (3.15V~3.45V)	4.0V	29.5A	43W	48W	70° C
K75-850	1.7V (1.6V~1.8V)	2.1V	3.3V (3.15V~3.45V)	4.0V	30A	45W	50W	70° C
K75-900	1.8V (1.7V~1.9V)	2.1V	3.3V (3.15V~3.45V)	4.0V	34A	53W	60W	70° C
K75-950	1.8V (1.7V~1.9V)	2.1V	3.3V (3.15V~3.45V)	4.0V	35A	55W	62W	70° C
K75-1G	1.8V (1.7V~1.9V)	2.1V	3.3V (3.15V~3.45V)	4.0V	37A	60W	65W	70° C

Tbird-650 (SEC)	1.7V (1.6V~1.8V)	2.1V	--	--	23.8A	32.4W	36.1W	70° C
Tbird-650 (PGA)	1.7V (1.6V~1.8V)	2.1V	--	--	23.8A	32.4W	36.1W	90° C
Tbird-650 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	22A	34W	38W	90° C
Tbird-700 (SEC)	1.7V (1.6V~1.8V)	2.1V	--	--	25.2A	34.4W	38.3W	70° C
Tbird-700 (PGA)	1.7V (1.6V~1.8V)	2.1V	--	--	25.2A	34.4W	38.3W	90° C
Tbird-700 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	23A	36W	40W	90° C
Tbird-750 (SEC)	1.7V (1.6V~1.8V)	2.1V	--	--	26.6A	36.3W	40.4W	70° C
Tbird-750 (PGA)	1.7V (1.6V~1.8V)	2.1V	--	--	26.6A	36.3W	40.4W	90° C
Tbird-750 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	25A	38W	43W	90° C
Tbird-800 (SEC)	1.7V (1.6V~1.8V)	2.1V	--	--	28A	38.3W	42.6W	70° C
Tbird-800 (PGA)	1.7V (1.6V~1.8V)	2.1V	--	--	28A	38.3W	42.6W	90° C
Tbird-800 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	26A	40W	45W	90° C
Tbird-850 (SEC)	1.7V (1.6V~1.8V)	2.1V	--	--	29.4A	40.2W	44.8W	70° C
Tbird-850 (PGA)	1.7V (1.6V~1.8V)	2.1V	--	--	29.4A	40.2W	44.8W	90° C
Tbird-850 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	27A	42W	47W	90° C
Tbird-900 (SEC)	1.75V (1.65V~1.85V)	2.1V	--	--	31.7A	44.6W	49.7W	70° C
Tbird-900 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	31.7A	44.6W	49.7W	90° C
Tbird-900 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	29A	44W	50W	90° C
Tbird-950 (SEC)	1.75V (1.65V~1.85V)	2.1V	--	--	33.2A	46.7W	52W	70° C
Tbird-950 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	33.2A	46.7W	52W	90° C
Tbird-950 (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	30A	47W	52W	90° C
Tbird-1G (SEC)	1.75V (1.65V~1.85V)	2.1V	--	--	34.6A	48.7W	54.3W	70° C
Tbird-1G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	34.6A	48.7W	54.3W	90° C
Tbird-1G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	31A	49W	54W	90° C
Tbird-1.1G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	35.2A	49.5W	55.1W	95° C
Tbird-1.1G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	34A	54W	60W	95° C
Tbird-1.13G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	36A	56W	63W	95° C
Tbird-1.2G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	38A	59W	66W	95° C
Tbird-1.3G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	39A	61W	68W	95° C
Tbird-1.33G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	40A	63W	70W	95° C
Tbird-1.4G (PGA)	1.75V (1.65V~1.85V)	2.1V	--	--	42A	65W	72W	95° C

Athlon MP-1.0G (Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	26.3A	41.3W	46.1W	95° C
Athlon MP-1.2G (Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	31.3A	49.1W	54.7W	95° C
Athlon MP-1500+ (1.33GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	34.3A	53.8W	60W	95° C
Athlon MP-1600+ (1.4GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	35.9A	56.3W	62.8W	95° C
Athlon MP-1800+ (1.53GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	37.7A	58.9W	66W	95° C
Athlon MP-1900+ (1.6GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	37.7A	58.9W	66W	95° C
Athlon MP-2000+ (1.67GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	37.7A	58.9W	66W	95° C
Athlon MP-2100+ (1.73GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	37.7A	58.9W	66W	95° C

Athlon MP-2000+ (6-8-1 1.67GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	36.4A	52.8W	58.2W	90° C
Athlon MP-2200+ (6-8-1 1.8GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	36.4A	50.7W	60W	90° C
Athlon MP-2400+ (6-8-1 2.0GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	36.4A	54.6W	60W	90° C
Athlon MP-2600+ (6-8-1 2.13GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	36.4A	56.6W	60W	90° C

Athlon MP-2800+ (2.13GHz Barton)	1.6V (?V~?V)	2.0V	--	--	37.5A	47.2W	60W	90° C

Athlon XP-1500+ (1.33GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	34.3A	53.8W	60W	90° C
Athlon XP-1600+ (1.4GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	35.9A	56.3W	62.8W	90° C
Athlon XP-1700+ (1.46GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	36.6A	57.4W	64W	90° C
Athlon XP-1800+ (1.53GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	37.7A	59.2W	66W	90° C
Athlon XP-1900+ (1.6GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	38.9A	60.7W	68W	90° C
Athlon XP-2000+ (1.66GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	40A	62.5W	70W	90° C
Athlon XP-2100+ (1.73GHz Palomino)	1.75V (1.7V~1.8V)	2.1V	--	--	41.1A	64.3W	72W	90° C

Athlon XP-1600+ (6-8-1 1.4GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	30.3A	44W	48.5W	90° C
Athlon XP-1700+ (6-8-0 1.46GHz Thoroughbred)	1.5V (?V~?V)	2.0V	--	--	32.9A	44.9W	49.4W	90° C
Athlon XP-1700+ (6-8-1 1.46GHz Thoroughbred)	1.5V (?V~?V)	2.0V	--	--	32.9A	44.9W	49.4W	90° C
Athlon XP-1700+ (6-8-1 1.46GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	30.9A	44.9W	49.4W	90° C
Athlon XP-1800+ (6-8-0 1.53GHz Thoroughbred)	1.5V (?V~?V)	2.0V	--	--	34A	46.3W	51W	90° C
Athlon XP-1800+ (6-8-1 1.53GHz Thoroughbred)	1.5V (?V~?V)	2.0V	--	--	34A	46.3W	51W	90° C
Athlon XP-1800+ (6-8-1 1.53GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	31.9A	46.3W	51W	90° C
Athlon XP-1900+ (6-8-0 1.6GHz Thoroughbred)	1.5V (?V~?V)	2.0V	--	--	35A	47.7W	52.5W	90° C
Athlon XP-2000+ (6-8-0 1.66GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	37.7A	54.7W	60.3W	90° C
Athlon XP-2000+ (6-8-0 1.66GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	36.5A	54.7W	60.3W	90° C
Athlon XP-2000+ (6-8-1 1.66GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	37.7A	54.7W	60.3W	90° C
Athlon XP-2100+ (6-8-0 1.73GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	38.8A	56.4W	62.1W	90° C
Athlon XP-2100+ (6-8-1 1.73GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	34.9A	56.4W	62.1W	90° C
Athlon XP-2200+ (6-8-0 1.8GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	41.2A	61.7W	67.9W	85° C
Athlon XP-2200+ (6-8-1 1.8GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	39.3A	57W	62.8W	85° C
Athlon XP-2400+ (6-8-1 2.0GHz Thoroughbred)	1.6V (?V~?V)	2.0V	--	--	40.8A	59.3W	65.3W	85° C
Athlon XP-2400+ (6-8-1 2.0GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	41.4A	62W	68.3W	85° C
Athlon XP-2600+ (6-8-1 2.13GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	41.4A	62W	68.3W	85° C
Athlon XP-2600+ (6-8-1 2.08GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	41.4A	62W	68.3W	85° C
Athlon XP-2700+ (6-8-1 2.17GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	41.4A	62W	68.3W	85° C
Athlon XP-2800+ (6-8-1 2.25GHz Thoroughbred)	1.65V (?V~?V)	2.0V	--	--	?A	?W	?W	?° C

Athlon XP-2500+ (6-8-A 1.83GHz Barton)	1.65V (?V~?V)	2.0V	--	--	41.4A	53.7W	68.3W	85° C
Athlon XP-2600+ (6-8-A 1.92GHz Barton)	1.65V (?V~?V)	2.0V	--	--	41.4A	53.7W	68.3W	85° C
Athlon XP-2800+ (6-8-A 2.08GHz Barton)	1.65V (?V~?V)	2.0V	--	--	41.4A	53.7W	68.3W	85° C
Athlon XP-3000+ (6-8-A 2.16GHz Barton)	1.65V (?V~?V)	2.0V	--	--	45A	58.4W	74.3W	85° C
Athlon XP-3000+ (6-8-A 2.1GHz Barton)	1.65V (?V~?V)	2.0V	--	--	41.4A	53.7W	68.3W	85° C
Athlon XP-3200+ (6-8-A 2.2GHz Barton)	1.65V (?V~?V)	2.0V	--	--	46.5A	60.4W	76.8W	85° C

Duron-550 (Spitfire)	1.5V (1.4V~1.6V)	2.1V	--	--	15.8A	18.9W	21.1W	90° C
Duron-600 (Spitfire)	1.5V (1.4V~1.6V)	2.1V	--	--	17A	20.4W	22.7W	90° C
Duron-600 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	17.1A	24.5W	27.4W	90° C
Duron-650 (Spitfire)	1.5V (1.4V~1.6V)	2.1V	--	--	18.2A	21.8W	24.3W	90° C
Duron-650 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	18.4A	26.4W	29.4W	90° C
Duron-700 (Spitfire)	1.5V (1.4V~1.6V)	2.1V	--	--	19.2A	22.9W	25.5W	90° C
Duron-700 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	19.6A	28.2W	31.4W	90° C
Duron-750 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	21.9A	28W	31.2W	90° C
Duron-750 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	20.9A	30W	33.4W	90° C
Duron-800 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	22.1A	31.8W	35.4W	90° C
Duron-850 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	23.4A	33.6W	37.4W	90° C
Duron-900 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	24.7A	35.4W	39.5W	90° C
Duron-950 (Spitfire)	1.6V (1.5V~1.7V)	2.1V	--	--	25.9A	37.2W	41.5W	90° C

Duron-900 (Morgan)	1.75V (1.7V~1.8V)	?V	--	--	24.4A	39.2W	42.7W	90° C
Duron-950 (Morgan)	1.75V (1.7V~1.8V)	?V	--	--	25.4A	40.8W	44.4W	90° C
Duron-1.0G (Morgan)	1.75V (1.7V~1.8V)	?V	--	--	26.3A	42.4W	46.1W	90° C
Duron-1.1G (Morgan)	1.75V (1.7V~1.8V)	?V	--	--	28.7A	46.2W	50.3W	90° C
Duron-1.2G (Morgan)	1.75V (1.7V~1.8V)	?V	--	--	31.3A	50.3W	54.7W	90° C
Duron-1.3G (Morgan)	1.75V (1.7V~1.8V)	?V	--	--	34.3A	55.2W	60W	90° C

Duron-1.4G (Applebred)	1.5V (?V~?V)	?V	--	--	38A	45.5W	57W	85° C
Duron-1.6G (Applebred)	1.5V (?V~?V)	?V	--	--	38A	48W	57W	85° C
Duron-1.8G (Applebred)	1.5V (?V~?V)	?V	--	--	38A	53W	57W	85° C

Athlon Notes:

For 3.3V SRAMs, the voltage upper limit is 4.0V. For 2.5V SRAMs, the upper limit is 3.0V.
The old Voltage Regulation App Note for Athlon Classic chips (early K7) indicated that motherboards should be designed with a maximum 35A current draw in mind to prepare for a "next generation of processors from AMD". The App Note went on to give examples of a theoretical chip running at 1.6V and drawing 30 amps as well as one at the design max of 35 amps.
Power numbers (typical and max wattage) include the 512KB L2 cache running at max case current conditions.
The K7 is made on a 0.25µ process; the K75 is made on a 0.18µ process.
The Core Voltage Upper Limit on the Athlon has been increased from 1.9V (0.3v over nominal) to 2.1V (0.5v over nominal) for both the K7 (model 1) and K75 (model 2) chips.
Note that the wattage and amperage numbers for all model 2 (K75) Athlons has been revised. Both dropped.
With the addition of the 1.2GHz Athlon and 800MHz Duron chips, voltage, wattage, and amperage numbers for the PGA Athlon and Duron have changed (they're now higher). I'm not sure if this is due to a core stepping change or is just a re-evaluation of the chip's electricals by AMD. Both old and new chip specs are still listed.
Athlons running on a 133MHz bus but at the same core speed as their 100MHz counterparts have the same thermal specifications.
The 550MHz Duron and 650MHz Thunderbird chips do not exist. Apparently a few 700MHz Thunderbirds escaped from AMD, but the chip was never officially launched.
Max Case Temp for the PGA Athlons and Durons is really Max Die Temp.
For the Palomino Athlons and Morgan Durons the Maximum Power Dissipation is "maximum sustained power dissipated while executing publicly-available software or instruction sequences under normal system operation at nominal VCC_CORE. Thermal solutions must monitor the processor temperature to prevent the processor from exceeding its maximum die temperature."
Note that typical wattage numbers for the Morgan Duron have increased (Jan 2002).

Mobile AMD Duron/Athlon 4 (Spitfire/Morgan/Palomino/Thoroughbred)
	Core Voltage	Core Voltage Upper Limit	Maximum Core Amperage	Typical Power Dissipation	Maximum Power Dissipation	Max. Die Temp.
Duron-600	1.4V (?V~?V)	?V	?A	?W	?W	?° C
Duron-700	1.4V (?V~?V)	?V	?A	?W	?W	?° C
Duron-800	1.4V (?V~?V)	?V	?A	?W	?W	?° C
Duron-900	1.4V (?V~?V)	?V	?A	?W	?W	?° C

Duron-800 (Morgan)	1.5V (?V~?V)	?V	16.7A	?W	25W	95° C
Duron-850 (Morgan)	1.5V (?V~?V)	?V	16.7A	?W	25W	95° C
Duron-900 (Morgan)	1.45V (?V~?V)	?V	17.2A	?W	25W	95° C
Duron-950 (Morgan)	1.45V (?V~?V)	?V	17.2A	?W	25W	95° C
Duron-1000 (Morgan)	1.4V (?V~?V)	?V	17.9A	?W	25W	95° C

Athlon 4-850	1.4V (?V~?V)	?V	15.71A	?W	22W	95° C
Athlon 4-900	1.4V (?V~?V)	?V	17.14A	?W	24W	95° C
Athlon 4-950	1.4V (?V~?V)	?V	17.14A	?W	24W	95° C
Athlon 4-1.0G	1.4V (?V~?V)	?V	17.9A	?W	25W	95° C
Athlon 4-1.1G	1.4V (?V~?V)	?V	17.9A	?W	25W	95° C
Athlon 4-1.2G	1.35V (?V~?V)	?V	18.5A	?W	25W	95° C
Athlon 4-1400+ (1.?GHz Palomino)	?V (?V~?V)	?V	?A	?W	?W	?° C
Athlon 4-1500+ (1.3GHz Palomino)	?V (?V~?V)	?V	?A	?W	?W	?° C
Athlon 4-1600+ (1.33GHz Palomino)	?V (?V~?V)	?V	?A	?W	?W	?° C

Athlon 4-1600+ (1.4GHz Thoroughbred)	?V (?V~?V)	?V	?A	?W	35W	?° C
Athlon 4-1700+ (1.46GHz Thoroughbred)	?V (?V~?V)	?V	?A	?W	35W	?° C
Athlon XP-2200+ (1.8GHz Thoroughbred)	?V (?V~?V)	?V	?A	?W	35W	?° C

Mobile Duron/Athlon 4 Notes:

Maximum Power Dissipation is "maximum sustained power dissipated while executing publicly-available software or instruction sequences under normal system operation at nominal VCC_CORE."
The "Morgan" Duron and Athlon 4 can step down it's core speed (down 300MHz, depending on the BIOS implementation) along with its core voltage (down to 1.2v) in order to save power in notebook computers. See the datasheet for more information.
Amperage draw and power dissipation numbers have been revised upwards for the Morgan Duron processor (Dec 2001).

Athlon 64/Athlon 64 FX (Clawhammer/Sledgehammer)
	Core Voltage	Core Voltage Upper Limit	Maximum Core Amperage	Thermal Design Power	Max. Case Temp.
Athlon 64 (800MHz)	1.3V (?V~?V)	?V	25.2A	35W	70° C
Athlon 64 (1.8GHz)	1.4V (?V~?V)	?V	45.6A	66W	70° C
Athlon 64 (2.0GHz)	1.4V (?V~?V)	?V	48.4A	70W	70° C
Athlon 64-3200+ (2.0GHz)	1.5V (?V~?V)	?V	57.8A	89W	70° C
Athlon 64-3400+ (2.2GHz)	1.5V (?V~?V)	?V	57.8A	89W	70° C

Athlon 64 FX-51 (2.2GHz)	1.5V (?V~?V)	?V	57.8A	89W	70° C

Athlon 64 Notes:

Thermal Design Power (TDP) is measured under the conditions of TcaseMax, IDDMax, and VDD=VID_VDD, and include allpower dissipated on-die from VDD, VDDIO, VLDT, VTT, and VDDA.

mobile Athlon 64 (Clawhammer)
	Core Voltage	Core Voltage Upper Limit	Maximum Core Amperage	Thermal Design Power	Max. Case Temp.
mAthlon 64 (800MHz - 512KB)	1.1V (?V~?V)	?V	17.1A	21W	100° C
mAthlon 64 (800GHz - 1MB)	1.1V (?V~?V)	?V	15.3A	19W	95° C
mAthlon 64 (1.6GHz - 1MB)	1.3V (?V~?V)	?V	33A	45W	95° C
mAthlon 64 (1.6GHz - 1MB)	1.4V (?V~?V)	?V	39.1A	57W	95° C
mAthlon 64 (1.8GHz - 1MB)	1.4V (?V~?V)	?V	42A	61W	95° C
mAthlon 64 (1.8GHz - 1MB)	1.5V (?V~?V)	?V	52.9A	81.5W	95° C
mAthlon 64 (2.0GHz - 1MB)	1.5V (?V~?V)	?V	52.9A	81.5W	95° C
mAthlon 64-2700+ (1.6GHz - 512KB)	1.5V (?V~?V)	?V	57.8A	89W	100° C
mAthlon 64-2800+ (1.6GHz - 1MB)	1.4V (?V~?V)	?V	42.7A	62W	95° C
mAthlon 64-3000+ (1.8GHz - 1MB)	1.4V (?V~?V)	?V	42.7A	62W	95° C
mAthlon 64-3000+ (1.8GHz - 1MB)	1.5V (?V~?V)	?V	52.9A	81.5W	95° C
mAthlon 64-3200+ (2.0GHz - 1MB)	1.5V (?V~?V)	?V	52.9A	81.5W	95° C

Mobile Athlon 64 Notes:

Thermal Design Power (TDP) is measured under the conditions of TcaseMax, IDDMax, and VDD=VID_VDD, and include allpower dissipated on-die from VDD, VDDIO, VLDT, VTT, and VDDA.

Cyrix 5x86 (M9, M1sc)
	Voltage	Abs. Max. Voltage	Typical Amperage	Maximum Amperage	Maximum Power Dissipation	Max. Case Temp.
5x86-100GP (168-pin PGA)	3.45V (3.3V~3.6V)	?V	0.9A	1.2A	4.32W	85° C
5x86-100QP (208-pin PQFP)	3.45V (3.3V~3.6V)	?V	0.9A	1.2A	4.32W	85° C
5x86-120GP (168-pin PGA)	3.45V (3.3V~3.6V)	?V	1A	1.4A	5.04W	85° C
5x86-120QP (208-pin PQFP)	3.45V (3.3V~3.6V)	?V	1A	1.4A	5.04W	85° C

5x86 Notes:

Maximum power dissipation was calculated from P=Vcc*Icc.

Cyrix/IBM/SGS-Thomson 6x86 (M1/M1R)Cyrix/IBM/SGS-Thomson 6x86 (M1/M1R)
	Voltage	Abs. Max. Voltage	Typ. Amp.	Max. Amp.	Maximum Power Dissipation	Max. Case Temp.
M1-PR90+ (80MHz)	3.3 (3.15V~3.6V)	4.0V	3.9A	4.7A	16.92W	70° C
M1-PR120+ (100MHz)	3.3 (3.15V~3.6V)	4.0V	4.5A	5.4A	19.44W	70° C

M1R-PR133+ (110MHz)	3.3 (3.15V~3.6V)	4.0V	4.8A	5.8A	20.88W	70° C
M1R-PR150+ (120MHz)	3.3 (3.15V~3.6V)	4.0V	5.1A	6.1A	21.96W	70° C
M1R-PR150+ (120MHz)	3.52 (3.15V~3.6V)	4.0V	?A	?A	?W	70° C
M1R-PR166+ (133MHz)	3.3 (3.15V~3.6V)	4.0V	5.5A	6.6A	23.76W	70° C
M1R-PR166+ (133MHz)	3.52 (3.15V~3.6V)	4.0V	?A	?A	?W	70° C
M1R-PR200+ (150MHz)	3.52 (3.15V~3.6V)	4.0V	5.9A	7A	25.2W	70° C

M1 Notes:

The Absolute Maximum Voltage is the highest voltage the chips can take for a short period of time. Extended use of the processor at or near these voltages will cause permanent damage to the chip. Reliable operation of the chip outside its nominal voltage range is not guaranteed.
Typical amperage was measured at 3.3v.
Maximum amperage was measured at 3.3v.

Processor Electrical Specifications II