Ziatech Corporation ZT 8809A, Руководство по эксплуатации

Страница: 381 / 412

Specifications
CLOCK*
MCSYNC*
A0-A15
IOEXP
MEMEX
DATA
RD*
VALID
T T T /T T
1
2
3
W
4
tD2
tW4
tD3
tD9
tD10
tW5
tH4
tD1
tD7
tS1
A16-A19
VALID
tH9
tD8
tS2
tD12
tH8
tD11
SYMBOL PARAMETER
MIN MAX MAX MAX MAX MIN MIN MIN
tD1
tD2
tD3
tD7
tD8
tD9
tD10
tD11
tD12
tH4
tH8
tH9
tS1
tS2
tW4
tW5 Delay from CLOCK * to MCSYNC* low
Delay from CLOCK* to MCSYNC* high
Delay from CLOCK* to Address 0-15
Delay from Address 0-15, MEMEX, IOEXP to data valid
Delay from Address 16-19 to data valid
Delay from CLOCK* to to Address 16-19
Delay from CLOCK* to RD* low
Delay from CLOCK* to RD* high
Delay from RD* to Data valid
Address 0-15, MEMEX, IOEXP hold after CLOCK*
Address 16-19 hold after MCSYNC*
RD* Data hold after CLOCK*
Address 16-19 setup to MCSYNC*
Data setup to CLOCK*
MCSYNC* pulse width
RD* pulse width 1
7
429
440
1
2
2
315
73
55
7
15
37
85
400
71
25
118
118
43
43
1
7
264
275
1
2
2
175
48
30
7
15
27
60
250
81
26
125
119
50
50 56
26
75
75
50
50
0
3
436
422
0
0
0
297
0
51
7
15
46
79
394
46
25
68
68
43
43
0
3
271
257
0
0
0
157
0
26
7
15
36
74
244
All times given in nanoseconds
ZT 8808A ZT 8809A
ZT 88CT08A ZT 88CT09A
Figure B–10. ZT 8809A Read Timing.
B-25