
Datasheet
3
Intel Celeron Processor up to 1.10 GHz
Contents
Introduction....................................................................................................................... 11
Terminology......................................................................................................... 11
Package Terminology............................................................................. 12
Processor Naming Convention...............................................................13
Electrical Specifications....................................................................................................15
System Bus and Vref........................................................................................... 15
Clock Control and Low Power States.................................................................. 15
Normal State—State 1 ........................................................................... 16
AutoHALT Power Down State—State 2 ................................................. 16
Stop-Grant State—State 3 .....................................................................17
HALT/Grant Snoop State—State 4 ........................................................ 17
Sleep State—State 5.............................................................................. 17
Deep Sleep State—State 6 .................................................................... 18
Clock Control.......................................................................................... 18
Power and Ground Pins ...................................................................................... 18
Processor Decoupling .........................................................................................19
System Bus AGTL+ Decoupling............................................................. 19
Voltage Identification ........................................................................................... 20
System Bus Unused Pins.................................................................................... 21
Processor System Bus Signal Groups ................................................................ 21
Asynchronous Vs. Synchronous for System Bus Signals ...................... 23
System Bus Frequency Select Signal (BSEL[1:0])................................. 23
Test Access Port (TAP) Connection.................................................................... 23
Maximum Ratings................................................................................................ 23
Processor DC Specifications............................................................................... 24
AGTL+ System Bus Specifications .....................................................................33
System Bus AC Specifications ............................................................................34
System Bus Signal Simulations........................................................................................ 52
System Bus Clock (BCLK) Signal Quality Specifications and
Measurement Guidelines .................................................................................... 52
AGTL+ Signal Quality Specifications and Measurement Guidelines ..................55
Non-AGTL+ Signal Quality Specifications and Measurement Guidelines...........57
Overshoot/Undershoot Guidelines ......................................................... 57
Ringback Specification ........................................................................... 58
Settling Limit Guideline........................................................................... 59
AGTL+ Signal Quality Specifications and Measurement Guidelines
(FC-PGA/FC-PGA2 Packages) ........................................................................... 59
Overshoot/Undershoot Guidelines (FC-PGA/FC-PGA2 Packages) ....... 59
Overshoot/Undershoot Magnitude (FC-PGA/FC-PGA2 Packages) ....... 59
Overshoot/Undershoot Pulse Duration (FC-PGA/FC-PGA2
Packages) .............................................................................................. 60
Activity Factor (FC-PGA/FC-PGA2 Packages) ...................................... 60