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Número de pieza
componentes Descripción
DS1643-70 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
DS1643-70
Nonvolatile Timekeeping RAMs
Maxim Integrated
DS1643-70 Datasheet PDF : 17 Pages
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DS1643/DS1643P
AC CHARACTERISTICS—READ CYCLE
(V
CC
= 5.0V
10%, T
A
= 0
C to +70
C.)
PARAMETER
70ns
SYMBOL ACCESS
MIN MAX
Read Cycle Time
t
RC
70
Address Access Time
t
AA
70
CE
and CE2 to DQ Low-Z
t
CEL
5
CE
Access Time
t
CEA
70
CE2 Access Time
t
CE2A
80
CE
and CE2 Data Off Time
t
CEZ
25
OE
to DQ Low-Z
t
OEL
5
OE
Access Time
t
OEA
35
OE
Data Off Time
t
OEZ
25
Output Hold from Address
t
OH
5
100ns
ACCESS
MIN MAX
100
100
5
100
105
35
5
55
35
5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
4
4
4
4
4
4
4
4
4
4
READ CYCLE TIMING DIAGRAM
8 of 17
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