Z8S18020FSC Datasheet, PDF (28/70 Pages) Zilog, Inc. – ENHANCED Z180 MICROPROCESSOR

Z80180/Z8S180/Z8L180
Enhanced Z180 Microprocessor
No.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
Symbol
t_BZD
t_MEWH
t_MEWL
t_RFD1
t_RFD2
t_HAD1
t_HAD2
t_DRQS
t_DRQH
t_TED1
t_TED2
t_ED1
t_ED2
P_WEH
P_WEL
t_Er
t_Ef
t_TOD
t_STDI
t_STDE
t_SRSI
t_SRHI
t_SRSE
t_SRHE
t_RES
t_REH
t_OSC
t_EXr
t_EXf
t_Rr
t_Rf
t_Ir
t_If
Item
Ø Rise to Bus Floating Delay Time
/MREQ Pulse Width (HIGH)
/MREQ Pulse Width (LOW)
Ø Rise to /RFSH Fall Delay
Ø Rise to /RFSH Rise Delay
Ø Rise to /HALT Fall Delay
Ø Rise to /HALT Rise Delay
/DREQi Set-up Time to Ø Rise
/DREQi Hold Time from Ø Rise
Ø Fall to /TENDi Fall Delay
Ø Fall to /TENDI Rise Delay
Ø Rise to E Rise Delay
Ø Fall or Rise to E Fall Delay
E Pulse Width (HIGH)
E Pulse Width (LOW)
Enable Rise Time
Enable Fall Time
Ø Fall to Timer Output Delay
CSI/O Transmit Data Delay Time (Internal Clock
Operation)
CSI/O Transmit Data Delay Time (External Clock
Operation)
CSI/O Receive Data Set-up Time (Internal Clock
Operation)
CSI/O Receive Data Hold Time (Internal Clock
Operation)
CSI/O Receive Data Set-up Time (External Clock
Operation)
CSI/O Receive Data Hold Time (External Clock
Operation)
/RESET Set-up Time to Ø Fall
/RESET Hold Time from Ø Fall
Oscillator Stabilization Time
External Clock Rise Time (EXTAL)
External Clock Fall Time (EXTAL)
/RESET Rise Time
/RESET Fall Time
Input Rise Time (except EXTAL, /RESET)
Input Fall Time (except EXTAL, /RESET)
Z80180-20
Min.
Max.
–
10
45
–
45
–
–
15
–
15
–
15
–
15
20
–
15
–
–
15
–
15
–
15
–
15
45
–
70
–
–
10
–
10
–
50
–
2
–
7.5tcyc
+75
1
–
1
–
1
–
1
–
25
–
15
–
–
20
–
10
–
10
–
50
–
50
–
50
–
50
Zilog
Z80180-33
Min.
Max.
Unit
–
25
ns
25
–
ns
25
–
ns
–
15
ns
–
15
ns
–
15
ns
–
15
ns
20
–
ns
15
–
ns
–
15
ns
–
15
ns
–
15
ns
–
15
ns
20
–
ns
20
–
ns
–
10
ns
–
10
ns
–
50
ns
–
2
ns
–
7.5tcyc
ns
+60
1
–
tcyc
1
–
tcyc
1
–
tcyc
1
–
tcyc
25
–
ns
15
–
ns
–
20
ns
–
5
ns
–
5
ns
–
50
ns
–
50
ns
–
50
ns
–
50
ns
1-28
PRELIMINARY
DS971800401