XR88C92IV View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR88C92IV' PDF : 32 Pages View PDF
XR88C92/192
A3-A0
-IOR/
-IOW
-CS
D7-D0
(Read)
D7-D0
(Write)
TAS
TRWS
TAH
TRWH
TCSL
TDD
Valid Data
TDS
Valid Data
TCSH
TDF
TDH
Read/Write Cycle Timing
Figure 3: Bus Timing (Read/Write cycle)
IP6-IP0
T9s
T9h
-IOR
Figure 4: Input Port Timing
XR92-IP
-IOW
OP7-OP0
Old Data
T10d
New Data
XR92-OP
Figure 5: Output Port Timing
Rev. 1.33
26
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