Z80189 Datasheet, PDF (14/107 Pages) Zilog, Inc. – GENERAL-PURPOSE EMBEDDED CONTROLLERS

Zilog
TIMING DIAGRAMS (Continued)
PRELIMINARY
T1
T2
TW
T3
0
Z80189/Z8L189
GENERAL-PURPOSE EMBEDDED CONTROLLERS
T1
Address
/MREQ
/RD
/WR
Address Valid
7
8
11
9
13
24
22
Figure 16. /MWR and /MRD Timing
EXTAL
VIL1
65
66
VIH1
VIH1
VIL1
Figure 17. External Clock Rise Time and Fall Time
70
69
Figure 18. Input Rise and Fall Time
(Except EXTAL, /RESET)
14
DS971890301