Z80181 Datasheet, PDF (67/74 Pages) Zilog, Inc. – SMART ACCESS CONTROLLER (SAC™)

Zilog
AC CHARACTERISTICS (Continued)
PIA General-Purpose I/O Port Timing
Figure 73 shows the timing for the PIA ports. Parameters
referenced in this figure appear in Table F.
T1
T2
Tw
Ø
Z80181
SMART ACCESS CONTROLLER SAC^™
T3
/IORQ, /RD
PIA Input
PIA Output
1
2
Figure 73. PIA Timing
Table F. PIA General-Purpose I/O Timing Parameters
No Symbol
Parameter
Z8018110
Min
Max
Unit
1
TsPIA(C)
PIA Data Setup time to Clock Rise
2
TdCr(PIA)
Clock Rise to PIA Data Valid Delay
10
ns
50
ns
DS971800500
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