z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 210
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
(326 pages)
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No.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Symbol Item
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
P
P
t
INTS
INTH
NMIW
BRS
BRH
BAD1
BAD2
BZD
MEWH
MEWL
RFD1
RFD2
HAD1
HAD2
DRQS
DRQH
TED1
TED2
ED1
ED2
Er
WEH
WEL
Table 31.
INT Set-up Time to PHI Fall
INT Hold Time from PHI Fall
NMI Pulse Width
BUSREQ Set-up Time to PHI Fall
BUSREQ Hold Time from PHI Fall
PHI Rise to BUSACK Fall Delay
PHI Fall to BUSACK Rise Delay
PHI Rise to Bus Floating Delay Time —
MREQ Pulse Width (High)
MREQ Pulse Width (Low)
PHI Rise to RFSH Fall Delay
PHI Rise to RFSH Rise Delay
PHI Rise to HALT Fall Delay
PHI Rise to HALT Rise Delay
DREQ1 Set-up Time to PHI Rise
DREQ1 Hold Time from PHI Rise
PHI Fall to TENDi Fall Delay
PHI Fall to TENDi Rise Delay
PHI Rise to E Rise Delay
PHI Fall or Rise to E Fall Delay
E Pulse Width (High)
E Pulse Width (Low)
Enable Rise Time
V
Operation
Z8S180 AC Characteristics (Continued) V
DD
= 3.3V ±10%; 33-MHz Characteristics Apply Only to 5V
Min
20
10
35
10
10
—
—
35
35
—
—
—
—
20
20
—
—
—
—
25
50
—
Z8S180—20
MHz
Family MPU User Manual
Max
—
—
—
—
—
25
25
40
—
—
20
20
15
15
—
—
25
25
30
30
—
—
10
Min
15
10
25
10
10
—
—
—
25
25
—
—
—
—
15
15
—
—
—
—
20
40
—
Z8S180—33
DD
MHz
= 5V ±10% or
UM005003-0703
Max
—
—
—
—
15
15
30
—
—
15
15
15
15
—
—
15
15
15
15
—
—
10
Z8018x
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
195
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