Z8S18020FSC Datasheet, PDF (27/70 Pages) Zilog, Inc. – ENHANCED Z180 MICROPROCESSOR

Zilog
Z80180/Z8S180/Z8L180
Enhanced Z180 Microprocessor
AC CHARACTERISTICS
(V_CC = 5V ±10% or V_CC = 3.3V ±10% over specified temperature range, unless otherwise noted, 33
MHZ characteristics apply only to 5V operation.)
1
No.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
26a.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
Symbol
t_cyc
t_CHW
t_CLW
t_cf
t_cr
t_AD
t_AS
t_MED1
t_RDD1
t_M1D1
t_AH
t_MED2
t_RDD2
t_M1D2
t_DRS
t_DRH
t_STD1
t_STD2
t_WS
t_WH
t_WDZ
t_WRD1
t_WDD
t_WDS
t_WRD2
t_WRP
t_WDH
t_IOD1
t_IOD2
t_IOD3
t_INTS
t_INTS
t_NMIW
t_BRS
t_BRH
t_BAD1
t_BAD2
Item
Clock Cycle Time
Clock “H” Pulse Width
Clock “L” Pulse Width
Clock Fall Time
Clock Rise Time
ØRise to Address Valid Delay
Address Valid to /MREQ Fall or /IORQ Fall)
Ø Fall to /MREQ Fall Delay
Ø Fall to /RD Fall Delay /IOC = 1
Ø Rise to /RD Rise Delay /IOC = 0
Ø Rise to /M1 Fall Delay
Address Hold Time from
(/MREQ, /IOREQ, /RD, /WR)
Ø Fall to /MREQ Rise Delay
Ø Fall to /RD Rise Delay
Ø Rise to /M1 Rise Delay
Data Read Set-up Time
Data Read Hold Time
Ø Fall to ST Fall Delay
Ø Fall to ST Rise Delay
/WAIT Set-up Time to Ø Fall
/WAIT Hold Time from Ø Fall
Ø Rise to Data Float Delay
Ø Rise to /WR Fall Delay
Ø Fall to Write Data Delay Time
Write Data Set-up Time to /WR Fall
Ø Fall to /WR Rise Delay
/WR Pulse Width
/WR Pulse Width (I/O Write Cycle)
Write Data Hold Time from (/WR Rise)
Ø Fall to /IORQ Fall Delay /IOC = 1
Ø Rise to /IORQ Fall Delay /IOC = 1
Ø Fall to /IORQ Rise Delay
/M1 Fall to /IORQ Fall Delay
/INT Set-up Time to Ø Fall
/INT Hold Time from Ø Fall
/NMI Pulse Width
/BUSREQ Set-up Time to Ø Fall
/BUSREQ Hold Time from Ø Fall
Ø Rise to /BUSACK Fall Delay
Ø Fall to /BUSACK Rise Delay
Z80180-20
Min.
Max.
50
2000
15
–
15
–
–
10
–
10
–
15
20
–
–
15
–
15
–
15
–
15
–
20
–
15
–
15
–
15
15
–
0
–
–
15
–
15
15
–
5
–
–
10
–
15
–
20
10
–
–
15
70
–
120
–
5
–
–
15
–
15
–
15
120
–
15
–
10
–
35
–
10
–
10
–
–
15
–
15
Z80180-33
Min.
Max.
Unit
33
2000
ns
10
–
ns
10
–
ns
–
5
ns
–
5
ns
–
15
ns
5
–
ns
–
15
ns
–
15
ns
–
15
–
15
ns
5
–
ns
–
15
ns
–
15
ns
–
15*
ns
15
–
ns
0
–
ns
–
15
ns
–
15
ns
15
–
ns
5
–
ns
–
10
ns
–
15
ns
–
20
ns
0
–
ns
–
15
ns
40
–
ns
70
–
ns
5
–
–
15
ns
–
15
–
15
ns
70
–
ns
15
–
ns
10
–
ns
25
–
ns
10
–
ns
10
ns
–
15
ns
–
15
ns
DS971800401
PRELIMINARY
1-27