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M48T129V fiches techniques PDF

STMicroelectronics - 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM

Numéro de référence M48T129V
Description 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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M48T129V fiche technique
M48T129Y
M48T129V
5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER® SRAM
Not recommended for new design
Features
Integrated, ultra low power SRAM, real-time
clock, power-fail control circuit, battery, and
crystal
)BCD coded century, year, month, day, date,
t(shours, minutes, and seconds
cBattery low warning flag
duAutomatic power-fail chip deselect and WRITE
roprotection
PTwo WRITE protect voltages:
te(VPFD = power-fail deselect voltage)
le– M48T129Y: VCC = 4.5 to 5.5 V;
4.2 V VPFD 4.5 V
so– M48T129V: VCC = 3.0 to 3.6 V;
b2.7 V VPFD 3.0 V
OConventional SRAM operation; unlimited
-WRITE cycles
t(s)Software controlled clock calibration for high
accuracy applications
uc10 years of data retention and clock operation
din the absence of power
roSelf-contained battery and crystal in DIP
Ppackage
teMicroprocessor power-on reset
le(valid even during battery backup mode)
soProgrammable alarm output active in battery
Obbackup mode
32
1
PMDIP32 module
RoHS compliant
– Lead-free second level interconnect
June 2011
Doc ID 5710 Rev 5
This is information on a product still in production but not recommended for new designs.
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M48T129V 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM STMicroelectronics
STMicroelectronics
M48T129Y 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM STMicroelectronics
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