z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 209

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

194
UM005003-0703
No.
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
26a
27
28
29
30
Z8018x
Family MPU User Manual
Symbol Item
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
MED2
RDD2
M1D2
DRS
DRH
STD1
STD2
WS
WH
WDZ
WRD1
WDD
WDS
WRD2
WRP
WDH
IOD1
IOD2
IOD3
Table 31.
PHI Fall to MREQ Rise Delay
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
V
Operation
Z8S180 AC Characteristics (Continued) V
DD
= 3.3V ±10%; 33-MHz Characteristics Apply Only to 5V
IOC
IOC
Min
—
—
—
10
0
—
—
15
10
—
—
—
10
—
80
150
—
—
—
125
Z8S180—20
MHz
Max
25
25
40
—
—
30
30
—
25
25
—
25
—
—
25
25
25
—
—
35
—
Min
—
—
—
5
0
—
—
10
5
—
—
—
10
—
45
70
5
—
—
—
80
Z8S180—33
DD
MHz
= 5V ±10% or
Max
15
15
15
—
—
15
15
—
—
20
15
15
—
15
—
—
—
15
15
15
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns