DS1746-70(2010) Ver la hoja de datos (PDF) - Maxim Integrated
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DS1746-70 Datasheet PDF : 16 Pages
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DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
AC CHARACTERISTICS—READ CYCLE (3.3V)
(VCC = 3.3V 10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
Read Cycle Time
tRC
120
Address Access Time
CE to DQ Low-Z
CE Access Time
CE Data Off Time
OE to DQ Low-Z
OE Access Time
OE Data Off Time
tAA
tCEL
5
tCEA
tCEZ
tOEL
5
tOEA
tOEZ
Output Hold from Address
tOH
5
MAX
120
120
40
100
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
READ CYCLE TIMING DIAGRAM
tRC
A0-A16
CE
OE
DQ0-DQ7
VALID
tAA
tCEA
tCEL
tOEA
tOEL
tOH
tCEZ
tOEZ
VALID
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