MK68564 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'MK68564' PDF : 46 Pages View PDF
MK68564
AC ELECTRICAL CHARACTERISTICS
(VCC = 5.0 VDC ± 5%, GND = 0 VDC, TA = 0 to 70°C)
Number
Parameter
4.0 MHz
Min. Max.
1
CLK Period
2
CLK Width High
250 1000
105
3
CLK Width Low
105
4
CLK Fall Time
30
5
CLK Rise Time
30
6
CS Low to CLK High (setup time)
0
7
A1-A5 Valid to CS Low (setup time)
0
8
DATA Valid to CS Low (write cycle)
0
9
CS Width High
50
10 DTACK Low to A1-A5 Invalid (hold time)
0
11 DTACK Low to DATA Invalid
(write cycle hold time)
12 CS High to DTACK High (delay)
0
55
13 CLK High to DTACK Low
320
14 R/W Valid to CS Low (setup time)
0
15 DTACK Low to R/W Invalid (hold time)
16 CLK Low to DATA Out
0
450
17 CS High to DATA Out Invalid (hold time)
0
18 CS High to DTACK High Impedance
105
19 DTACK Low to CS High
0
20 DATA Valid to DTACK Low
70
21 IACK Width High
50
22 IACK Low to CLK High (setup time)
0
23 CLK Low to INTR Disabled
410
24 CLK Low to DATA Out
25 DTACK Low to IACK, IEI, High
330
0
26 IACK High to DTACK High
55
27 IACK High to DTACK High Impedence
105
28 IACK High to DATA Out Invalid (hold time)
0
29 DATA Valid to DTACK Low
195
30 CLK Low to IEO Low
220
31 IEI Low to IEO Low
140
32 IEI High to IEO High
190
33 IACK High to IEO High
190
34 IACK High to INTR Low
200
35 IEI Low to CLK Low (setup time)
10
36 IEI Low to INTR Disabled
425
37 IEI Low to DATA Out Valid
38 DATA Out Valid to DTACK Low
225
55
39 IACK High to DATA Out High Impedence
120
5.0 MHz
Min. Max.
200 1000
80
80
30
30
0
0
0
50
0
0
50
295
0
0
450
0
100
0
70
50
0
410
330
0
50
100
0
195
220
140
190
190
200
10
425
225
55
90
Unit Notes
ns
ns
ns
ns
ns
ns
1
ns
ns
ns
1
ns
ns
ns
ns
ns
ns
ns
ns
11
ns
ns
ns
ns
1
ns
1
ns
2
ns
2
ns
ns
ns
ns
ns
2
ns
3
ns
3
ns
4
ns
4
ns
5
ns
ns
6
ns
6
ns
6
ns
37/46
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