
PENTIUM
PROCESSOR WITH VOLTAGE REDUCTION TECHNOLOGY
E
CONTENTS
2
PAGE
PAGE
1.0. INTRODUCTION _______________________2
2.0. MICROPROCESSOR ARCHITECTURE
OVERVIEW____________________________3
2.1. Pentium Processor Family Architecture___4
3.0. TCP PINOUT __________________________6
3.1. Pentium Processor with Voltage Reduction
Technology Differences from the SPGA 3.3V
Pentium Processor ____________________6
3.2. TCP Pinout and Pin Descriptions _________8
3.2.1. TCP PENTIUM PROCESSOR
PINOUT _________________________8
3.2.2. TCP PIN CROSS REFERENCE TABLE
FOR PENTIUM PROCESSOR______9
3.3. Design Notes________________________13
3.4. Quick Pin Reference __________________15
3.5. Pin Reference Tables _________________22
3.6. Pin Grouping According to Function ______25
4.0. TCP PENTIUM PROCESSOR ELECTRICAL
SPECIFICATIONS _____________________26
4.1. Maximum Ratings ____________________26
4.2. DC Specifications ____________________26
4.2.1. POWER SEQUENCING ___________26
4.3. AC Specifications ____________________29
4.3.1. POWER AND GROUND ___________29
4.3.2. DECOUPLING
RECOMMENDATIONS____________29
4.3.3. CONNECTION SPECIFICATIONS ___29
4.3.4. AC TIMINGS FOR A 50-MHZ BUS ___30
4.3.5. AC TIMINGS FOR A 60-MHZ BUS ___34
4.3.6. AC TIMINGS FOR A 66-MHZ BUS ___38
4.4. I/O Buffer Models_____________________47
4.4.1. BUFFER MODEL PARAMETERS____51
4.4.2. SIGNAL QUALITY
SPECIFICATIONS________________52
4.4.2.1. Ringback ____________________53
4.4.2.2. Settling Time _________________54
5.0. TCP PENTIUM PROCESSOR MECHANICAL
SPECIFICATIONS_____________________ 55
5.1. TCP Mechanical Diagrams_____________ 55
6.0. TCP PENTIUM PROCESSOR
THERMAL SPECIFICATIONS ___________ 61
6.1. Measuring Thermal Values_____________ 61
6.2. Thermal Equations ___________________ 61
6.3. TCP Thermal Characteristics___________ 61
6.4. PC Board Enhancements______________ 61
6.4.1. STANDARD TEST BOARD
CONFIGURATION _______________ 63
7.0. SPGA PENTIUM PROCESSOR
SPECIFICATIONS_____________________ 63
7.1. SPGA Pentium Processor with Voltage
Reduction Technology Differences from 3.3V
Pentium Processor___________________ 63
7.1.1. Features Removed _______________ 63
7.1.2. Maximum Rating _________________ 64
7.1.3. DC Specifications ________________ 64
7.1.3.1 Power Sequencing_____________ 67
7.1.4. AC Specifications ________________ 67
7.1.4.1. Power and Ground ____________ 67
7.1.4.2. Decoupling Recommendations___ 67
7.1.4.3. Connection Specifications ______ 67
7.1.4.4. AC Timings__________________ 68
7.1.5. Thermal Specifications ____________ 68
7.1.6. SPGA Package Differences ________ 68
7.1.6.1 Pinout_________________________ 68
7.1.6.2. Package Dimensions __________ 68
7.1.7. I/O Buffer Models___________________ 68