Ziatech Corporation ZT 8809A, Руководство по эксплуатации

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Specifications
CLOCK*
MCSYNC*
A0-A15
IOEXP
MEMEX
DATA
WR*
VALID
T T T /T T
1 2
3
W
4
tD2
tW4
tD3
tD9
tD14
tH4
tD1
tS1
A16-A19
VALID
tH10
tW6
tH8
tD15
VALID
tD13
tH11
SYMBOL PARAMETER
MIN MAX MAX MAX MAX MIN MIN MIN
tD1
tD2
tD3
tD9
tD13
tD14
tD15
tH4
tH8
tH10
tH11
tS1
tW4
tW6 Delay from CLOCK * to MCSYNC* low
Delay from CLOCK* to MCSYNC* high
Delay from CLOCK* to Address 0-15, MEMEX, IOEXP
Delay from CLOCK* to Address 16-19
Delay from CLOCK* to Data Valid
Delay from CLOCK* to Advanced WR* low
Delay from CLOCK* to Advanced WR* high
Address 0-15, MEMEX, IOEXP hold after CLOCK*
Address 16-19 hold after MCSYNC*
WR* Data hold after CLOCK*
Data hold after Advanced WR* high
Address 16-19 setup to MCSYNC*
MCSYNC* pulse width
ADVANCED WR* pulse width 1
7
1
7
8
73
55
11
92
15
85
404
71
25
118
118
118
53
57 1
7
1
7
8
48
30
11
43
15
60
254
81
26
125
119
125
64
58
56
26
75
75
75
64
58 46
25
68
68
68
53
57 0
3
0
0
0
0
26
6
41
15
74
244
0
3
0
0
0
0
51
6
90
15
29
394
All times given in nanoseconds
ZT 8808A ZT 8809A
ZT 88CT08A ZT 88CT09A
Figure B–11. ZT 8809A Write Timing.
B-26