Datasheet

C161K
C161O
Data Sheet 58 V2.0, 2001-01
Figure 17 External Memory Cycle:
Demultiplexed Bus, With Read/Write Delay, Extended ALE
Address
Data OUT
Data IN
MCT04866
A21-A16
A15-A0
BHE, CSxE
ALE
CSxL
RD
RdCSx
Read Cycle
Write Cycle
t
5
t
16
t
26
t
38
t
39
t
41
t
28
t
17
t
20
t
55
t
18
t
8
t
12
t
42
t
53
t
51
t
48
t
24
t
8
t
14
t
46
t
22
t
57
WR, WRL,
WRH
WrCSx
t
12
t
42
t
48
t
50
t
6
BUS
(D15-D8)
D7-D0
BUS
(D15-D8)
D7-D0