z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 208

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

AC Characteristics
AC CHARACTERISTICS—Z8S180
No.
1
2
3
4
5
6
7
8
9
10
11
Symbol Item
t
t
t
t
t
t
t
t
t
t
t
CYC
CHW
CLW
CF
CR
AD
AS
MED1
RDD1
M1D1
AH
This section describes the AC characteristics of the Z8X180 family and
absolute maximum rating for these products.
Table 31.
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
±10%; 33-MHz Characteristics Apply Only to 5V Operation
Z8S180 AC Characteristics V
IOC = 1 —
IOC =
Min
50
15
15
—
—
—
5
—
—
—
5
Z8S180—20
MHz
DD
Family MPU User Manual
Max
DC
—
—
10
10
30
—
25
25
25
35
—
= 5V ±10% or V
Min
30
10
10
—
—
—
5
—
—
—
—
5
Z8S180—33
MHz
UM005003-0703
Max
DC
—
—
5
5
15
—
15
15
15
15
—
DD
Z8018x
= 3.3V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
193