DS1742W-120 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1742W-120 Datasheet PDF : 12 Pages
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DS1742
WRITE CYCLE, AC CHARACTERISTICS
(Over the Operating Range; VCC = 5.0V ± 10%)
70 ns access 100 ns access
PARAMETER
SYMBOL MIN MAX MIN MAX UNITS NOTES
Write Cycle Time
tWC
70
100
ns
Address Access Time
tAS
0
0
ns
WE Pulse Width
tWEW
50
70
ns
CE Pulse Width
tCEW
60
75
ns
Data Setup Time
tDS
30
40
ns
Data Hold time
tDH
0
0
ns
Address Hold Time
tAH
5
5
ns
WE Data Off Time
tWEZ
25
35
ns
Write Recovery Time
tWR
5
5
ns
WRITE CYCLE, AC CHARACTERISTICS
(Over the Operating Range; VCC = 3.3V ± 10%)
120 ns access 150 ns access
PARAMETER
SYMBOL MIN MAX MIN MAX UNITS NOTES
Write Cycle Time
tWC
120
150
ns
Address Setup Time
tAS
0
0
ns
WE Pulse Width
tWEW
100
130
ns
CE Pulse Width
tCEW
110
140
ns
Data Setup Time
tDS
80
90
ns
Data Hold Time
tDH
0
0
ns
Address Hold Time
tAH
0
0
ns
WE Data Off Time
tWEZ
40
50
ns
Write Recovery Time
tWR
10
10
ns
8 of 12
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