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DS1642-100 Datasheet(PDF) 7 Page - Dallas Semiconductor

Part # DS1642-100
Description  Nonvolatile Timekeeping RAM
Download  11 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1642-100 Datasheet(HTML) 7 Page - Dallas Semiconductor

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DS1642
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WRITE CYCLE, AC CHARACTERISTICS
(0°C to 70°C; 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 Setup 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


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