Datasheet

C161K
C161O
Data Sheet 60 V2.0, 2001-01
Figure 19 External Memory Cycle:
Demultiplexed Bus, No Read/Write Delay, Extended ALE
Address
Data OUT
Data IN
MCT04868
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
21
t
55
t
18
t
9
t
13
t
43
t
68
t
51
t
49
t
24
t
9
t
15
t
47
t
22
t
57
WR, WRL,
WRH
WrCSx
t
13
t
43
t
49
t
50
t
6
BUS
(D15-D8)
D7-D0
BUS
(D15-D8)
D7-D0