Zilog Z80180 User Manual
Page 211
Z8018x
Family MPU User Manual
196
UM005003-0703
54
t
Ef
Enable Fall Time
—
10
—
10
ns
55
t
TOD
PHI Fall to Timer Output Delay
—
75
—
50
ns
56
t
STDI
CSI/O Transmit Data Delay Time
(Internal Clock Operation)
—
2
—
2
tcyc
57
t
STDE
CSI/O Transmit Data Delay Time
(External Clock Operation)
—
7.5 t
CY
C
+75
—
75 t
CYC
+60
ns
58
t
SRSI
CSI/O Receive Data Set-up Time
(Internal Clock Operation)
1
—
1
—
tcyc
59
t
SRHI
CSI/O Receive Data Hold Time
(Internal Clock Operation)
1
—
1
—
tcyc
60
t
SRSE
CSI/O Receive Data Set-up Time
(External Clock Operation)
1
—
1
—
tcyc
61
t
SRHE
CSI/O Receive Data Hold Time
(External Clock Operation)
1
—
1
—
tcyc
62
t
RES
RESET Set-up Time to PHI Fall
40
—
25
—
ns
63
t
REH
RESET Hold Time from PHI Fall
25
—
15
—
ns
64
t
OSC
Oscillator Stabilization Time
—
20
—
20
ns
65
t
EXR
External Clock Rise Time (EXTAL) —
5
—
5
ns
66
t
EXF
External Clock Fall Time (EXTAL)
—
5
—
5
ns
67
t
RR
RESET Rise Time
—
50
—
50
ms
68
t
RF
RESET Fall Time
—
50
—
50
ms
Table 31. Z8S180 AC Characteristics (Continued) V
DD
= 5V ±10% or
V
DD
= 3.3V ±10%; 33-MHz Characteristics Apply Only to 5V
Operation
No.
Symbol Item
Z8S180—20
MHz
Z8S180—33
MHz
Unit
Min
Max
Min
Max