Datasheet
3
Contents
Introduction.................................................................................................................................... 7
Terminology .......................................................................................................................... 9
Low Power Features.................................................................................................................... 11
Clock Control and Low Power States ................................................................................. 11
Normal State .......................................................................................................... 11
AutoHALT Power-Down State ............................................................................... 11
Stop-Grant State .................................................................................................... 12
HALT/Grant Snoop State ....................................................................................... 12
Sleep State ............................................................................................................ 13
Deep Sleep State................................................................................................... 13
Enhanced Intel SpeedStep Technology ........................................................................... 14 Electrical Specifications ............................................................................................................. 17
Power and Ground Pins...................................................................................................... 17
FSB Clock (BCLK[1:0]) and Processor Clocking ................................................... 17
Voltage Identification .......................................................................................................... 17
Signal Terminations and Unused Pins................................................................................ 19
FSB Signal Groups ............................................................................................................. 19
CMOS Signals .................................................................................................................... 20
Maximum Ratings ............................................................................................................... 21
Processor DC Specifications .............................................................................................. 21
Alphabetical Signals Reference .......................................................................................... 70
Thermal Specifications and Design Considerations................................................................ 77
Thermal Specifications .......................................................................................................80
Thermal Diode ....................................................................................................... 80
Thermal Diode Offset............................................................................................. 81
Intel Thermal Monitor........................................................................................... 82