Z801808PSC View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z801808PSC' PDF : 85 Pages View PDF
Z80180
Microprocessor Unit
26
Table 8. Z80180-8 AC Characteristics (continued)
No Symbol Item
32 tINTS INT Hold Time from Ø Fall
33 tNMIW NMI Pulse Width
34 tBRS BUSREQ Set-up Time to Ø Fall
35 tBRH BUSREQ Hold Time from Ø Fall
36 tBAD1 Ø Rise to BUSACK Fall Delay
37 tBAD2 Ø Fall to BUSACK Rise Delay
38 tBZD Ø Rise to Bus Floating Delay Time
39 tMEWH MREQ Pulse Width (High)
40 tMEWL MREQ Pulse Width (Low)
41 tRFD1 Ø Rise to RFSH Fall Delay
42 tRFD2 Ø Rise to RFSH Rise Delay
43 tHAD1 Ø Rise to HALT Fall Delay
44 tHAD2 Ø Rise to HALT Rise Delay
45 tDRQS /DREQi Set-up Time to Ø Rise
46 tDRQH /DREQi Hold Time from Ø Rise
47 tTED1 Ø Fall to TENDi Fall Delay
48 tTED2 Ø Fall to TENDi Rise Delay
49 tED1 Ø Rise to E Rise Delay
50 tED2 Ø 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 Ø 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)
Z80180-8
Min Max Unit
40 –
ns
100 –
ns
40 –
ns
40
ns
–
70 ns
–
70 ns
–
90 ns
90 –
ns
100 –
ns
–
80 ns
–
80 ns
–
80 ns
–
80 ns
40 –
ns
40 –
ns
–
60 ns
–
60 ns
–
70 ns
–
70 ns
65 –
ns
130 –
ns
–
20 ns
–
20 ns
–
200 ns
–
200 ns
–
7.5tcy ns
c
+200
PS014004-1106
Architecture
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