Z86C90 View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z86C90' PDF : 14 Pages View PDF
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Diagram
R//W
Port 0, /DM
Port 1
/AS
/DS
(Read)
Port1
/DS
(Write)
13
12
19
A7 - A0
1
2
16
3
4
5
17
A7 - A0
14
D7 - D0 IN
9
8
6
18
11
10
D7 - D0 OUT
15
7
External I/O or Memory Read/Write Timing
8
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