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M48T39Y

Features: ` INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL` BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS` AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION` WRITE PROTECT VOLTAGE (VPFD = Power-fail Deselect Voltage): M48T39Y...

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SeekIC No. : 004405380 Detail

M48T39Y: Features: ` INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL` BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS` AUTOMATIC POWER-FAIL CHIP...

M48T39Y Data Sheet

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Part Number:
M48T39Y
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

` INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL
` BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS
` AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION
` WRITE PROTECT VOLTAGE (VPFD = Power-fail Deselect Voltage):
    M48T39Y: 4.20V VPFD 4.50V
` PROGRAMMABLE INTERRUPTS and SQUARE WAVE OUTPUT
` WATCHDOG TIMER RESTARTS on OUT-OF-CONTROL PROCESSOR
` CLOCK ACCURACY IS BETTER THAN ±1 MINUTE per MONTH at 25
` 10 YEARS of DATA RETENTION and CLOCK OPERATION in the ABSENCE of POWER
` SELF-CONTAINED BATTERY and CRYSTAL in DIP PACKAGE
` PROGRAMMABLE ALARM OUTPUT ACTIVE in the BATTERY BACK-UP MODE
` PIN and FUNCTION COMPATIBLE with DS1386


Pinout

Connection Diagram


Description

The M48T39Y TIMEKEEPER® RAM is a non-volatile 262,144 bit static RAM and real time clock organized as 32,768 words by 8 bits. System integration features include Programmable Alarms, Watchdog Timer and Interval Timer. The
special 32-pin DIP package provides a highly integrated battery back-up memory and real time clock solution.




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