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M48T35 fiches techniques PDF

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

Numéro de référence M48T35
Description 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M48T35 fiche technique
M48T35
M48T35Y
5 V, 256 Kbit (32 Kb 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
Frequency test output for real-time clock
Automatic power-fail chip deselect and WRITE
protection
WRITE protect voltages
VPFD = power-fail deselect voltage):
– M48T35: VCC = 4.75 to 5.5 V;
4.5 V VPFD 4.75 V
– M48T35Y: VCC = 4.5 to 5.5 V;
4.2 V VPFD 4.5 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 Kb 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 2611 Rev 10
1/28
www.st.com
1

PagesPages 28
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