Z80182 Datasheet, PDF (101/109 Pages) Zilog, Inc. – ZILOG INTELLIGENT PERIPHERAL CONTROLLER (ZIP™)

Zilog
PRELIMINARY
16550 MIMIC TIMING
Refer to Figures 106 thru 112 for MIMIC AC Timing.
HA2, HA1, HA0
Valid
/HCS
Z80182/Z8L182
ZILOG INTELLIGENT PERIPHERAL
/HRD
/HWR
1
2
3
4
5
6
Figure 110. PC Host /RD /WR Timing
Table H. PC Host /RD /WR Timing
No Symbol
Parameter
Z8L182
20 MHz
Min Max
1
tAR
/HRD Delay from Address
30
2
tCSR
/HRD Delay from /HCS
30
3
tAW
/HWR Delay from Address
30
4
tCSW
/HWR Delay from /HCS
30
5
tAh
Address Hold Time
20
6
tCSh
/HCS Hold Time
20
Note:
These AC parameter values are preliminary and are subject to change without notice.
Z80182
33 MHz
Min Max
30
30
30
30
20
20
Units
ns
ns
ns
ns
ns
ns
DS971820600
3-101