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ELECTRICAL SPECIFICATIONS
Table 7-8. Signal Group: Cache Controller to Cache RAM (CCTL-CRAM)
(66 MHz 256 Kbyte Version)
Legend· PP=Pentium™ Processor CC=82496 Cache Controller CS=82491 Cache SRAM
,
,
Max
Max
CLKSkew
Flight Time
Driver Buffer
Receiver
Driver
Receiver
(n5)
(n5)
Type
Buffer Type
CC BOFF#
PP BOFF#
0.2
3.0
ZD9/ZD9a
ZR1
CC BOFF#
CS BOFF#
0.7
3.0
ZD9/ZD9a
ZR9
CC BLAST#
CS BLAST#
0.7
2.5
ZD9/ZD9a
ZR9
CCWRARR#
CS WRARR#
0.7
2.5
ZD9/ZD9a
ZR9
CCWAY
CSWAY
0.7
2.7
ZD9/ZD9a
ZR9
CCMCYC#
CS MCYC#
0.7
2.7
ZD9/ZD9a
ZR9
CCMAWEA#
CSMAWEA#
0.7
2.7
ZD9/ZD9a
ZR9
CC BUS#
CS BUS#
0.7
2.7
ZD9/ZD9a
ZR9
CCWBA
CSWBA
0.7
2.?
ZD9/ZD9a
ZR9
CCWBWE#
CSWBWE#
0.7
2.7
ZD9/ZD9a
ZR9
CCWBTYP
CS WBTYP
0.7
2.7
ZD9/ZD9a
ZR9
CC BRDYC2#
CS BRDYC#
0.7
2.5
ZD9/ZD9a
ZR9
CC BLEC#
CS BLEC#
0.7
2.5
ZD9/ZD9a
ZR9
7.6.1.1.2.
60-MHz 256-Kbyte Flight Times
Table 7-9. Signal Group: CPU to Cache RAM (CPU-CRAM) (60 MHz 256 Kbyte Version)
Legend· PP=Pentium™ Processor CC=82496 Cache Controller CS=82491 Cache SRAM
,
Max
Min
Max
CLKSkew
Flight Time Flight Time
Driver
Receiver
Driver
Receiver
(n5)
(n5)
(n5)
Buffer Type
Buffer Type
PP DO-D63
CS CDATAO-7
0.8
1.0
2.7
ZD2
ZR10
PP DPO-?
CS CDATAO-3
0.8
1.0
2.7
ZD2
ZR10
CSCDATAO-7
PP DO-D63
0.8
1.0
2.7
ZD10
ZR4
CSCDATAO-3
PP DPO-7
0.8
1.0
2.7
ZD10
ZR4
7-12
I
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