Z80182 Datasheet, PDF (91/109 Pages) Zilog, Inc. – ZILOG INTELLIGENT PERIPHERAL CONTROLLER (ZIP™)

Zilog
PRELIMINARY
Z8S180 AC CHARACTERISTICS
No. Sym
1
tcyc
2
tCHW
3
tCLW
4
tcf
5
tcr
6
tAD
7
tAS
8
tMED1
9
tRDD1
10 tM1D1
11 tAH
12 tMED2
13 tRDD2
14 tM1D2
15 tDRS
16 tDRH
17 tSTD1
18 tSTD2
19 tWS
20 tWH
21 tWDZ
22 tWRD1
23 tWDD
24 tWDS
25 tWRD2
26 tWRP
26a
27 tWDH
28 tIOD1
29 tIOD2
30 tIOD3
31 tINTS
32 tINTH
33 tNMIW
34 tBRS
35 tBRH
36 tBAD1
37 tBAD2
38 tBZD
39 tMEWH
40 tMEWL
Table A. Z8L180 and Z8S180 Timings
Parameter
Z8L180
20 MHz
Min Max
Clock Cycle Time
Clock Pulse Width (High)
Clock Pulse Width (Low)
Clock Fall Time
Clock Rise Time
50
2000
15
15
10
10
Address Valid from Clock Rise
Address Valid to /MREQ, /IORQ, /MRD Fall
Clock Fall to /MREQ Fall Delay
Clock Fall to /RD, /MRD (/IOC=1)
Clock Rise to /RD, /MRD Fall (/IOC=0)
Clock Rise to /M1 Fall delay
15
5
15
25
35
35
Address Hold time (/MREQ, /IORQ, /RD, /WR/MRD) 5
Clock Fall to /MREQ Rise Delay
25
Clock Fall to /RD, /MRD Rise Delay
25
Clock Rise to /M1 Rise Delay
40
Data Read Setup Time
15
Data Read Hold Time
Clock Edge to ST Fall
Clock Edge to ST Rise
/WAIT Setup Time to Clock Fall
/WAIT Hold Time from Clock Fall
0
30
30
15
10
Clock Rise to Data Float Delay
Clock Rise to /WR,/MWR Fall Delay
Clock Fall to Write Data Delay
Write Data Setup Time to /WR,/MWR Fall
Clock Fall to /WR Rise
35
25
25
10
25
/WR Pulse Width (Memory Write Cycles)
/WR Pulse Width (I/O Write Cycles)
Write Data Hold Time from /WR Rise
Clock Fall to /IORQ Fall Delay (/IOC=1)
Clock Rise to /IORQ Fall Delay (/IOC=0)
Clock Fall /IOQR Rise Delay
75
130
10
25
25
25
/M1 Fall to /IORQ Fall Delay
100
/INT Setup Time to Clock Fall
20
/INT Hold Time from Clock Fall
10
/NMI Pulse Width
35
/BUSREQ Setup Time to Clock Fall
10
/BUSREQ Hold Time from Clock Fall
Clock Rise to /BUSACK Fall Delay
Clock Fall to /BUSACK Rise Delay
Clock Rise to Bus Floating Delay Time
/MREQ Pulse Width (High)
/MREQ Pulse Width (Low)
10
25
25
40
35
35
Z80182/Z8L182
ZILOG INTELLIGENT PERIPHERAL
Z8S180
33 MHz
Min Max
30
2000
10
10
5
5
15
5
10
15
15
15
5
15
15
15
15
0
15
15
10
5
20
15
15
10
15
45
70
5
15
15
15
80
15
10
25
10
10
15
15
30
25
25
Unit Note
ns [1]
ns [1]
ns [1]
ns [1]
ns [1]
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns [2]
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS971820600
3-91