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Intel Pentium Pro Processors

 

KB80521/256K

Level 1 Cache

Level 2 Cache
Package
Vcc

TCASE
8 KB code
8 KB writeback data
256 KB
387—pin Modified SPGA w/ Gold Heatspreader
3.1V ± 5% (133MHz - 150MHz)
3.3V ± 5% (180MHz - 200MHz)
0°C - +85°C
Core Speed
Bus Speed
???
???
KB80521EX 256K Q0755
Core Speed
Bus Speed
???
???
KB80521EX 256K Q0766 ES
Core Speed
Bus Speed
133MHz
66MHz
KB80521EX133 256K Q0812
Core Speed
Bus Speed
133MHz
66MHz
KB80521EX133 256K Q0815
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K Q0813
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K Q0816
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K Q0822
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K Q0825
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K Q0826
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150/256K
SY002
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150/256K
SY010
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K SY011
Core Speed
Bus Speed
150MHz
60MHz
KB80521EX150 256K SY014
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q033
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q035
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q0858
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q0860
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q0871
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q0873
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q0907
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K Q0910
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SL22L
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SL22S
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SL22U
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SL23J
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SY012
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SY031
Core Speed
Bus Speed
180MHz
60MHz
KB80521EX180 256K SY039
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q034
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q036
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q076
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q083
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q084
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q0859
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q0872
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q0874
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q0908
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K Q0909
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200/256K
SL22T
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200/256K
SL22V
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K SL23K
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K SL245
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K SL247
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K SL254
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K SL255
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 256K SY013
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200/256K
SY032
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200/256K
SY040

KB80521/512K

Level 1 Cache

Level 2 Cache
Package
Vcc
TCASE
8 KB code
8 KB writeback data
512 KB
387—pin Modified SPGA w/ Gold Heatspreader
3.3V ± 5%
0°C - +85°C
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K Q008
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K Q009
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K Q0864
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K Q0918
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K Q0929
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K Q935
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K SL22X
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K SL2FJ
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K SY024 Early Spec Updates Only
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166 512K SY034
Core Speed
Bus Speed
166MHz
66MHz
KB80521EX166/512K
SY047
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q010
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q011
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q0865
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q0920
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q0924
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q932
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K Q936
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200/512K
SL22Z
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K SY025 Early Spec Updates Only
Core Speed
Bus Speed
200MHz
66MHz
KB80521EX200 512K SY048

BP80521/256K

Level 1 Cache

Level 2 Cache
Package
Vcc
TCASE
8 KB code
8 KB writeback data
256 KB
387—pin Modified SPGA w/ Gold Heatspreader
3.3V ± 5%
0°C - +85°C
Core Speed
Bus Speed
180MHz
60MHz
BP80521180 256K SL23L
Core Speed
Bus Speed
180MHz
60MHz
BP80521180/256K
SU103
Core Speed
Bus Speed
200MHz
66MHz
BP80521200 256K SL22V
Core Speed
Bus Speed
200MHz
66MHz
BP80521200 256K SL23M
Core Speed
Bus Speed
200MHz
66MHz
BP80521200/256K
SU104

GJ80521/1M

Level 1 Cache

Level 2 Cache
Package
Vcc
TCASE
8 KB code
8 KB writeback data
1 MB
387—pin Modified SPGA
3.3V ± 5%
0°C - +80°C
Core Speed
Bus Speed
200MHz
66MHz
GJ80521EX200 1M Q004
Core Speed
Bus Speed
200MHz
66MHz
GJ80521EX200 1M Q013
Core Speed
Bus Speed
200MHz
66MHz
GJ80521EX200 1M Q106 QS
Core Speed
Bus Speed
200MHz
66MHz
GJ80521200/1M
SL259
Core Speed
Bus Speed
200MHz
66MHz
GJ80521EX200 1M
SL25A