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M48T35AV fiches techniques PDF

ST Microelectronics - 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM

Numéro de référence M48T35AV
Description 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M48T35AV fiche technique
M48T35AV
3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM
Features
Integrated, ultra low power SRAM, real-time
clock, power-fail control circuit and battery
BYTEWIDERAM-like clock access
BCD coded year, month, day, date, hours,
minutes, and seconds
Battery low flag (BOK)
Frequency test output for real-time clock
Automatic power-fail chip deselect and WRITE
protection
WRITE protect voltage
(VPFD = power-fail deselect voltage):
– M48T35AV: VCC = 3.0 to 3.6 V;
2.7 V VPFD 3.0 V
Self-contained battery and crystal in the
CAPHATDIP package
SOIC package provides direct connection for a
SNAPHAT® housing containing the battery and
crystal
SNAPHAT® housing (battery and crystal) is
replaceable
Pin and function compatible with JEDEC
standard 32 Kbit x 8 SRAMs
RoHS compliant
– Lead-free second level interconnect
28
1
PCDIP28
battery/crystal
CAPHAT™
SNAPHAT®
battery/crystal
28
1
SOH28
June 2011
Doc ID 6845 Rev 9
1/29
www.st.com
1

PagesPages 29
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