82595TX Datasheet, PDF (41/59 Pages) Intel Corporation – ISA/PCMCIA HIGH INTEGRATION ETHERNET CONTROLLER

82595TX
Table 11-5 ISA 8-Bit Memory Access
Parameter
Description
Min Max Units
Comments
T1c
BALE Active to Inactive
50
ns
T2c
BALE Active from Command Inactive
35
ns
T4c
AEN Valid to Command Active
100
ns
T5c
AEN Valid from Command Inactive
30
ns
T7c
SA to CMD Active
63
ns
T8c
SA Valid Hold from CMD Inactive
42
ns
T11c
CMD Active to Inactive
125
ns
T12c
CMD Inactive to Active
60
ns Before Memory Command
T13c
Active CMD to Valid IOCHRDY
18 ns
T14c
IOCHRDY Inactive Pulse
12 ms
T15c
CMD Active Hold from IOCHRDY Active 80
ns Applies to Ready Cycles
T16c
DATA Driven from READ CMD Active
0
ns
T18c
Valid READ Data from IOCHRDY Active
42 ns Applies to Ready Cycles Only
T19c
READ Data Hold from CMD Inactive
0
ns
T20c
READ CMD Inactive to Data Tristate
30 ns
T21c
CMD to WRITE Data Active
52 ns
T23c
WRITE CMD Inactive to Data Tristate
30 ns
T26c
READ CMD Active to DIRx Active
34 ns
T27c
READ CMD Inactive to DIRx Inactive
15 ns
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