W89C926 Datasheet, PDF (35/48 Pages) Winbond – PCMCIA ETHERNET NETWORK TWISTED PAIR INTERFACE CONTROLLER

W89C926 PENTIC+
Attribute Memory Access
HA0-16
REG
CE1,2
OE
WE
WAIT
HD0-7
(even)
(Read)
HD0-7
(even)
(Write)
T2
T1
T19
REG low
T12
T15
T13
T16
T14
T3
T17
T4
T8
T9
T11
T10
T18
Valid
T5
Valid
T7
T6
SYMBOL
DESCRIPTION
T1
HA0-16, REG valid to OE, WE asserted
T2
CE1,2 asserted to OE, WE asserted
T3
OE, WE asserted to WAIT asserted
T4
OE asserted to HD0-7 read data valid (see note)
T5
HD0-7 write data setup before WE deasserted
T6
HD0-7 write data hold from WE deasserted
T7
HD0-7 read data disable from OE deasserted
T8
Read data setup before WAIT deasserted
T9
WAIT deasserted to OE, WE deasserted
T10 _{CE1,2 hold valid from OE, WE deasserted}
T11
HA0-16, REG hold valid from OE, WE deasserted
T12
HA0-16, REG setup to WE deasserted
MIN.
30
0
-
-
80
30
-
0
0
20
20
180
MAX.
-
-
35
150
-
-
100
-
-
-
-
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
- 35 -
Publication Release Date: January 1996
Revision A1