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0.0 AMD K5 processor
Identification
Model name:
K5.
Family name:
K86 series.
Supplier:
AMD.
Component class:
CPU.
Generation
Generation: K5.
Compatibility
Intel Pentium CPU compatible.
Cache
16 kbyte instruction cache with predecode unit, 8 kbyte data cache (Harvard architecture).
Instruction cache: 4-way set-associative, 32 bytes/line, acronym>SI protocol, 2 fetch ports supporting split-line access, 5 predecode bits/byte (10 kbyte), blocking, dual tags, RRR.
Data cache: 4-way set-associative, 32 bytes/line, MESI protocol, dual-ported, blocking, dual tags, write-allocate, 4 banks, RRR.
Architecture
X86 to RISC Operation (ROP) translation.
Superscalar:
- 5-stage,
- 3 integer pipelines, 1 FP pipeline.
Dynamic, block oriented, branch prediction with speculative execution.
Physics
- 3-layer metal, 0.5 micron CMOS (Fab 25, Texas),
- 0.35 micron CMOS (from Q1 1996).
Packaging: 296 pin SPGA.
Packaging
Packaging:
0.0.1 AMD 5k86 K5 processor
Identification
Model name:
5k86 K5.
Supplier:
AMD.
Component class:
CPU.
Multiplier
The multiplier can not be changed.
Clock speed
| Clock speed | Model | Code name | Multiplier | Periphery | Power dissipation | Manufacturing process | Die size | Introduction |
|---|---|---|---|---|---|---|---|---|
| 50/75 MHz | AMD K5-PR75 1 CPU | SSA, model 0 | 1.5 | max. 70 °C | 9.5 W typ, 11.6 W max, 3.3 A max | 0.5 micron | 251 mm2 | March 1996 |
| 60/90 MHz | AMD K5-PR90 1 CPU | SSA, model 0 | 1.5 | max. 60 °C | 11.4 W typ, 13.9 W max, 3.96 A max | 0.35 micron | 161 mm2 | March 1996 |
| 66/100 MHz | Intel K5-PR100 1 CPU | SSA, model 0 | 1.5 | max. 60 °C | 12.7 W typ, 15.4 W max, 4.4 A max | 0.35 micron | 161 mm2 | June 1996 |
| 60/90 MHz | AMD K5-PR120 CPU | 5k86, model 1, Godot | 1.5 | max. 70 °C | 9.5 W typ, 12.4 W max, 3.51 A max | 0.35 micron | 181 mm2 | October 1996 |
| 66/100 MHz | AMD K5-PR133 CPU | 5k86, model 1, Godot | 1.5 | max. 60 °C | 10.6 W typ, 13.7 W max, 3.9 A max | 0.35 micron | 181 mm2 | October 1996 |
| 60/105 MHz | AMD K5-PR150 3 CPU | 5k86, model 2, Godot | 1.75 | max. 65 °C | 0.35 micron | 181 mm2 | January 1997 | |
| 66/116 MHz | AMD K5-PR166 3 CPU | 5k86, model 2, Godot | 1.75 | max. 65 °C | 12.3 W typ, 16.0 W max, 4.52 A max | 0.35 micron | 181 mm2 | January 1997 |
| 66/133 MHz | AMD K5-PR200 2 3 CPU | 5k86, model 3, Godot | 2 | 0.35 micron |
- first sold as 5K86 P75, P90, P100, later as K5 PR75, PR90, PR100
- samples only, never released
- Socket 5 no longer supported, Socket 7 only
Physics
Number of transistors: 4.3E6.
No longer manufactured from mid 1997.
0.0.2 AMD 5k86 SSA/5 processor
Identification
Model name:
5k86 SSA/5.
Supplier:
AMD.
Component class:
CPU.
Compatibility
Pre-release AMD 5k86 K5 CPU:
- more internal wait states,
- incomplete BTB (Branch Target Buffer).
Architecture
Features: VME, I/O Breakpoints, TSC (Time Stamp Counter), Machine Check.
Clock speed
| Clock speed | Multiplier | Introduction | Marking |
|---|---|---|---|
| 66/133 MHz | 2 | May 1996 | step level 0x50 |
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