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Part Name
Description
DS1642 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
DS1642
Nonvolatile Timekeeping RAM
Maxim Integrated
DS1642 Datasheet PDF : 13 Pages
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DS1642
AC CHARACTERISTICS—READ CYCLE
PARAMETER
SYMBOL
85ns ACCESS
MIN MAX
Read Cycle Time
t
RC
85
Address Access Time
t
AA
85
CE
to DQ Low-Z
t
CEL
5
CE
Access Time
t
CEA
85
CE
Data Off Time
t
CEZ
30
OE
to DQ Low-Z
t
OEL
5
OE
Access Time
t
OEA
45
OE
Data Off Time
t
OEZ
30
Output Hold from Address
t
OH
5
100ns ACCESS
MIN MAX
100
100
5
100
35
5
55
35
5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
READ CYCLE TIMING DIAGRAM
7 of 13
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