26
Datasheet
Electrical Specifications
NOTES:
1. For functional operation, all processor electrical, signal quality, mechanical and thermal specifications must
be satisfied.
2. Overshoot and undershoot voltage guidelines for input, output, and I/O signals are outlined in Chapter 3.
Excessive overshoot or undershoot on any signal will likely result in permanent damage to the processor.
3. Storage temperature is applicable to storage conditions only. In this scenario, the processor must not receive
a clock, and no pins can be connected to a voltage bias. Storage within these limits will not affect the long-
term reliability of the device. For functional operation, please refer to the processor case temperature
specifications.
4. This rating applies to the processor and does not include any tray or packaging.
2.11
Processor DC Specifications
The processor DC specifications in this section are defined at the processor core (pads) unless
noted otherwise. See
Section 5.1 for the processor pin listings and
Chapter 4 for signal definitions.
Voltage and current specifications are detailed in
Table 2-8. For platform power delivery planning
refer to Table 2-9, which provides VCC static and transient tolerances. This same information is BSEL[1:0] and VID[5:0] signals are specified in
Table 2-11. The DC specifications for the AGTL+
signals are listed in
Table 2-12. The DC specifications for the PWRGOOD input and TAP signal
Table 2-8 through
Table 2-15 list the DC specifications for the processor and are valid only while
meeting specifications for case temperature (T
CASE as specified in Chapter 6), clock frequency, and input voltages. Care should be taken to read all notes associated with each parameter.
IA32_FLEX_BRVID_SEL bit 18 is the Platform Requirement Bit (PRB) that indicates that the
processor has specific platform requirements.
2.11.1
Flexible Motherboard Guidelines (FMB)
The Flexible Motherboard (FMB) guidelines are estimates of the maximum values the 64-bit
Intel Xeon processor with 2 MB L2 cache will have over certain time periods. The values are only
estimates and actual specifications for future processors may differ. Processors may or may not
have specifications equal to the FMB value in the foreseeable future. System designers should meet
the FMB values to ensure their systems will be compatible with future Intel Xeon processors.