Z80181 Zilog., Z80181 Datasheet - Page 67

• Manufacturer Part Number: Z80181
• Description: SMART ACCESS CONTROLLER (SAC)
• Manufacturer: Zilog.

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.
DS971800500
/IORQ, /RD
PIA Output
No
1
2
PIA Input
Symbol
TsPIA(C)
TdCr(PIA)
Ø
Table F. PIA General-Purpose I/O Timing Parameters
Parameter
PIA Data Setup time to Clock Rise
Clock Rise to PIA Data Valid Delay
T1
Figure 73. PIA Timing
T2
1
Tw
2
Min
10
Z8018110
T3
Max
50
S
MART
A
CCESS
Unit
C
ns
ns
ONTROLLER
Z80181
2-67
SAC
™