參數(shù)資料
型號: pentium III CPU
廠商: Intel Corp.
英文描述: Pentium III Processor for the SC242 at 450MHz to 1.0GHz(SC242工作頻率450MHZ到1GHZ奔III處理器)
中文描述: 奔騰III處理器在450MHz至1.0GHz的(SC242工作頻率至450MHz到1GHz的奔三處理器的SC242)
文件頁數(shù): 3/102頁
文件大小: 920K
代理商: PENTIUM III CPU
Datasheet
3
Pentium
III Processor for the SC242 at 450 MHz to 1.0 GHz
Contents
1.0
Introduction.........................................................................................................................9
1.1
Terminology.........................................................................................................10
1.1.1
S.E.C.C.2 and S.E.C.C. Packaged Processor Terminology ..................10
1.1.2
Processor Naming Convention...............................................................11
1.2
Related Documents.............................................................................................12
2.0
Electrical Specifications....................................................................................................13
2.1
Processor System Bus and V
REF
........................................................................13
2.2
Clock Control and Low Power States..................................................................14
2.2.1
Normal State—State 1 ...........................................................................15
2.2.2
AutoHALT Powerdown State—State 2...................................................15
2.2.3
Stop-Grant State—State 3 .....................................................................15
2.2.4
HALT/Grant Snoop State—State 4 ........................................................16
2.2.5
Sleep State—State 5..............................................................................16
2.2.6
Deep Sleep State—State 6 ....................................................................16
2.2.7
Clock Control..........................................................................................17
2.3
Power and Ground Pins......................................................................................17
2.4
Decoupling Guidelines ........................................................................................17
2.4.1
Processor VCC
CORE
Decoupling............................................................18
2.4.2
Processor System Bus AGTL+ Decoupling............................................18
2.5
Processor System Bus Clock and Processor Clocking.......................................18
2.6
Voltage Identification...........................................................................................18
2.7
Processor System Bus Unused Pins...................................................................20
2.8
Processor System Bus Signal Groups................................................................20
2.8.1
Asynchronous vs. Synchronous for System Bus Signals.......................21
2.8.2
System Bus Frequency Select Signal (BSEL0)......................................22
2.9
Test Access Port (TAP) Connection....................................................................23
2.10
Maximum Ratings................................................................................................24
2.11
Processor DC Specifications...............................................................................25
2.12
AGTL+ System Bus Specifications .....................................................................30
2.13
System Bus AC Specifications............................................................................30
3.0
Signal Quality Specifications............................................................................................39
3.1
BCLK, PICCLK, and PWRGOOD Signal Quality Specifications and
Measurement Guidelines ....................................................................................39
3.2
AGTL+ and Non-AGTL+ Overshoot/Undershoot Specifications and
Measurement Guidelines ....................................................................................40
3.2.1
Overshoot/Undershoot Magnitude .........................................................40
3.2.2
Overshoot/Undershoot Pulse Duration...................................................41
3.2.3
Overshoot/Undershoot Activity Factor....................................................41
3.2.4
Reading Overshoot/Undershoot Specification Tables............................42
3.2.5
Determining if a System meets the Overshoot/Undershoot
Specifications .........................................................................................43
3.3
AGTL+ and Non-AGTL+ Ringback Specifications and
Measurement Guidelines ....................................................................................45
3.3.1
Settling Limit Guideline...........................................................................47
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