Z8S180 Zilog., Z8S180 Datasheet - Page 208
Z8S180
Manufacturer Part Number
Z8S180
Description
ENHANCED Z180 MICROPROCESSOR
Manufacturer
Zilog.
Datasheet
1.Z8S180.pdf
(326 pages)
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AC Characteristics
AC CHARACTERISTICS— Z8S180
No.
1
2
3
4
5
6
7
8
9
10
11
12
Symbol Item
t
t
t
t
t
t
t
t
t
t
t
t
CYC
CHW
CLW
CF
CR
AD
AS
MED1
RDD1
M1D1
AH
MED2
This section describes the AC characteristics of the Z8X180 family and
absolute maximum rating for these products.
Table 31. Z8S180 AC Characteristics V
Clock Cycle Time
Clock “H” Pulse Width
Clock “L” Pulse Width
Clock Fall Time
Clock Rise Time
PHI Rise to Address Valid Delay
Address Valid to MREQ Fall or
IORQ Fall)
PHI Fall to MREQ Fall Delay
PHI Fall to RD Fall Delay
PHI Rise to RD Rise Delay
0
PHI Rise to M1 Fall Delay
Address Hold Time from
MREQ, IOREQ, RD, WR High
PHI Fall to MREQ Rise Delay
±10%; 33-MHz Characteristics Apply Only to 5V Operation
IOC = 1 —
IOC =
Min
50
15
15
—
—
—
5
—
—
—
5
—
Z8S180— 20
MHz
DD
Max
DC
—
—
10
10
30
—
25
25
25
35
—
25
= 5V ±10% or V
MPU User Manual
Min
30
10
10
—
—
—
5
—
—
—
—
5
—
UM005001-ZMP0400
Z8S180— 33
Z8018x Family
MHz
Max
DC
—
—
5
5
15
—
15
15
15
15
—
15
DD
= 3.3V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
193
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