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Z8018010VSG Datasheet, PDF (35/85 Pages) Zilog, Inc. – Microprocessor Unit | |||
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Z80180
Microprocessor Unit
29
Table 9. Z80180-10 AC Characteristics (continued)
No Symbol Item
32 tINTS INT Hold Time from à Fall
33 tNMIW NMI Pulse Width
34 tBRS BUSREQ Set-up Time to à Fall
35 tBRH BUSREQ Hold Time from à Fall
36 tBAD1 Ã Rise to BUSACK Fall Delay
37 tBAD2 Ã Fall to BUSACK Rise Delay
38 tBZD Ã Rise to Bus Floating Delay Time
39 tMEWH MREQ Pulse Width (High)
40 tMEWL MREQ Pulse Width (Low)
41 tRFD1 Ã Rise to RFSH Fall Delay
42 tRFD2 Ã Rise to RFSH Rise Delay
43 tHAD1 Ã Rise to HALT Fall Delay
44 tHAD2 Ã Rise to HALT Rise Delay
45 tDRQS /DREQi Set-up Time to à Rise
46 tDRQH /DREQi Hold Time from à Rise
47 tTED1 Ã Fall to TENDi Fall Delay
48 tTED2 Ã Fall to TENDi Rise Delay
49 tED1 Ã Rise to E Rise Delay
50 tED2 Ã Fall or Rise to E Fall Delay
51 PWEH E Pulse Width (High)
52 PWEL E Pulse Width (Low)
53 tEr
Enable Rise Time
54 tEf
Enable Fall Time
55 tTOD Ã Fall to Timer Output Delay
56 tSTDI CSIO Transmit Data Delay Time (Internal Clock
Operation)
57 tSTDE CSIO Transmit Data Delay Time (External Clock
Operation)
Z80180-10
Min Max Unit
30 â
ns
80 â
ns
30 â
ns
30
ns
â
60 ns
â
60 ns
â
80 ns
70 â
ns
80 â
ns
â
60 ns
â
60 ns
â
50 ns
â
50 ns
30 â
ns
30 â
ns
â
50 ns
â
50 ns
â
60 ns
â
60 ns
55 â
ns
110 â
ns
â
20 ns
â
20 ns
â
150 ns
â
150 ns
â
7.5tcy ns
c
+150
PS014004-1106
Architecture
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