Table 31. Z8S180 Ac Characteristics - ZiLOG Z8018 Series User Manual

Z8018x
Family MPU User Manual
194
No. Symbol Item
13 t
RDD2
14 t
M1D2
15 t
DRS
16 t
DRH
17 t
STD1
18 t
STD2
19 t
WS
20 t
WH
21 t
WDZ
22 t
WRD1
23 t
WDD
24 t
WDS
25 t
WRD2
26 t
WRP
26a
27 t
WDH
28 t
IOD1
29 t
IOD2
30 t
IOD3
31 t
INTS
32 t
INTH
UM005004-0918
Table 31. Z8S180 AC Characteristics (Continued) V
V = 3.3V ±10%; 33-MHz Characteristics Apply Only to 5V
DD
PHI Fall to RD Rise Delay
PHI Rise to M1 Rise Delay
Data Read Set-up Time
Data Read Hold Time
PHI Fall to ST Fall Delay
PHI Fall to ST Rise Delay
WAIT Set-up Time to PHI Fall
WAIT Hold Time from PHI Fall
PHI Rise to Data Float Delay
PHI Rise to WR Fall Delay
PHI Fall to Write Data Delay Time
Write Data Set-up Time to WR Fall
PHI Fall to WR Rise Delay
WR Pulse Width (Memory Write
Cycle)
WR Pulse Width (I/O Write Cycle)
Write Data Hold Time from WR Rise 10
PHI Fall to IORQ Fall Delay
= 1
PHI Rise to IORQ Fall Delay
= 0
PHI Fall to IORQ Rise Delay
M1 Fall to IORQ Fall Delay
INT Set-up Time to PHI Fall
INT Hold Time from PHI Fall
Z8S180—20
MHz
Min Max
— 25
— 40
10 —
0 —
— 30
— 30
15 —
10 —
— 35
— 25
— 25
10 —
— 25
80 —
150 —
—
IOC — 25
IOC — 25
— 25
125 —
20 —
10 —
= 5V ±10% or
DD
Z8S180—33
MHz
Min Max Unit
— 15 ns
— 15 ns
5 — ns
0 — ns
— 15 ns
— 15 ns
10 — ns
5 — ns
— 20 ns
— 15 ns
— 15 ns
10 — ns
— 15 ns
45 — ns
70 — ns
5 — ns
— 15 ns
— 15
— 15 ns
80 — ns
15 — ns
10 — ns