Part Number
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M48T39Y |
Manufacturer
|
STMicroelectronics |
Description
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256Kb (32K x 8) TIMEKEEPER SRAM |
Published
|
Oct 19, 2016 |
Detailed Description
|
M48T39Y
256 Kb (32K x8) TIMEKEEPER® SRAM
PRELIMINARY DATA
s INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FA...
|
Datasheet
|
M48T39Y
|
Overview
M48T39Y
256 Kb (32K x8) TIMEKEEPER® SRAM
PRELIMINARY DATA
s INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL
s BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS
s AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION
s WRITE PROTECT VOLTAGE (VPFD = Power-fail Deselect Voltage): – M48T39Y: 4.
20V ≤ VPFD ≤ 4.
50V
s PROGRAMMABLE INTERRUPTS and SQUARE WAVE OUTPUT
s WATCHDOG TIMER RESTARTS on OUT-OF-CONTROL PROCESSOR
s CLOCK ACCURACY IS BETTER THAN ±1 MINUTE per MONTH at 25°C
s 10 YEARS of DATA RETENTION and CLOCK OPERATION in the ABSENCE of POWER
s SELF-CONTAINED BATTERY and CRYSTAL in DIP PACKAGE
s PROGRAMMABLE ALARM OUTPUT ACTIVE in...
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