91C94 Datasheet, PDF (95/120 Pages) SMSC Corporation – ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM

TIMING DIAGRAMS
t6 0
t6 3
A0- 9, A1 5
valid
t6 2
n REG
t6 4
n CE1
t5 7
nWE
nOE
D0- 7
t5 8
valid
t6 0
t6 1
valid
t5 9
t6 5
valid
Parameter
m in
typ
max
uni ts
t57
Write Data Setup to nWE Rising
30
t58
Wri te Data Hold after nWE Rising
9
t59
nOE Low to Vali d Data
t60
Address, nREG Setup to nWE Active
25
t61
Address, nREG Hol d after nOE Inactive
15
t62
Address, nREG Setup to nOE Active
25
t63
Address, nREG Hold after Control I nactive
15
t64
nCE1 Setup to nWE Rising
60
t65
nCE1 Low to Vali d Data
0
ns
ns
40
ns
ns
ns
ns
ns
ns
50
ns
FIGURE 20 - CARD CONFIGURATION REGISTERS-READ/WRITE-PCMCIA MODE
(A15=1)
95