LAN91C96I Datasheet, PDF (95/110 Pages) SMSC Corporation – NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER

Non-PCI Single-Chip Full Duplex Ethernet Controller
A0-15
(ISA)
AEN,
nSBHE
nIOCS16
nIORD
Z
IOCHRDY
D0-D15
VALID ADDRESS
t9
t18
Z
t19
VALID DATA
OUT
Parameter
min
typ
max
t9 Control Active to IOCHRDY Low
15
t18 IOCHRDY Width when Data is Unavailable at
Data Register
575
t19 Valid Data to IOCHRDY Inactive
225
IOCHRDY is used instead of meeting t20 and t43.
"No Wait St' bit is 1 - IOCHRDY only negated if needed and only for Data Register access.
units
ns
ns
ns
Figure 12.4 – Data Register Special Read Access
SMSC DS – LAN91C96I
Page 95
DATASHEET
Rev. 11/18/2004