w89c926 Winbond Electronics Corp America, w89c926 Datasheet - Page 37

• Manufacturer Part Number: w89c926
• Description: Pcmcia Ethernet Network Twisted Pair Interface Controller
• Manufacturer: Winbond Electronics Corp America

Common Memory Access, continued
SYMBOL
T15a
T15b
T16a
T16b
T10
T11
T12
T13
T14
T1
T2
T3
T4
T5
T6
T7
T8
T9
HA0-16, REG valid to OE, WE assert.
HD0-15 write data setup before WE deasserts.
HD0-15 write data hold from WE deasserts.
HD0-15 read data disable from OE deasserts.
Read data setup before WAIT deasserts.
HA0-16, REG hold valid from OE, WE deassert
HA0-16, REG setup to WE deassert
Read cycle time
Write cycle time
CE1 ,2 assert to OE, WE assert.
OE, WE assert to WAIT asserts.
CE1 ,2 hold valid from OE, WE deassert
CE1 ,2 assert to WE deassert
OE deassert to next WE assert
WAIT deasserts to OE, WE deassert.
WE pulse width
WAIT pulse width
WE deassert to next OE assert
DESCRIPTION
- 37 -
Publication Release Date: January 1996
W89C926 PENTIC+
MIN.
100
100
150
150
20
50
20
20
20
80
10
10
0
0
0
-
-
-
MAX.
35
75
12
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Revision A1
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S