Intel Pentium D 945 HH80553PG0964MN User Manual

19

 specifies absolute maximum and minimum ratings. Within functional operation 

limits, functionality and long-term reliability can be expected.

At conditions outside functional operation condition limits, but within absolute 

maximum and minimum ratings, neither functionality nor long-term reliability can be 

expected. If a device is returned to conditions within functional operation limits after 

having been subjected to conditions outside these limits, but within the absolute 

maximum and minimum ratings, the device may be functional, but with its lifetime 

degraded depending on exposure to conditions exceeding the functional operation 

condition limits.

At conditions exceeding absolute maximum and minimum ratings, neither functionality 

nor long-term reliability can be expected. Moreover, if a device is subjected to these 

conditions for any length of time then, when returned to conditions within the 

functional operating condition limits, it will either not function, or its reliability will be 

severely degraded.

Although the processor contains protective circuitry to resist damage from static 

electric discharge, precautions should always be taken to avoid high static voltages or 

electric fields.

1. For functional operation, all processor electrical, signal quality, mechanical and thermal specifications must be

satisfied.

2. Excessive overshoot or undershoot on any signal will likely result in permanent damage to the processor.

V

CC

Core voltage with respect to V

SS

 –0.3

1.55

V

-

V

TT

FSB termination voltage with 
respect to V

SS

 –0.3

1.55

V

-

T

C

Processor case temperature

See 

See 

°C

-

T

STORAGE

Processor storage temperature

 –40

 85

°C

3, 4, 5

3. Storage temperature is applicable to storage conditions only. In this scenario, the processor must not receive

a clock, and no lands can be connected to a voltage bias. Storage within these limits will not affect the long-

term reliability of the device. For functional operation, refer to the processor case temperature specifications.

4. This rating applies to the processor and does not include any tray or packaging.

5. Failure to adhere to this specification can affect the long term reliability of the processor.