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M48T12

Features: `INTEGRATED ULTRALOW POWER SRAM, REAL TIME CLOCK and POWER-FAIL CONTROLCIRCUIT`BYTEWIDEE RAM-LIKECLOCK ACCESS`BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS`TYPICALCLOCK ACCURACY of ± 1 MINUTE a MONTH, AT 25°C`SOFTWARE CONTROLLED CLOCK CALIBRATIONfor HIGH ACCURACY APPLICATI...

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SeekIC No. : 004405352 Detail

M48T12: Features: `INTEGRATED ULTRALOW POWER SRAM, REAL TIME CLOCK and POWER-FAIL CONTROLCIRCUIT`BYTEWIDEE RAM-LIKECLOCK ACCESS`BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS`TYPICALCLOCK ACCU...

M48T12 Data Sheet

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Part Number:
M48T12
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

`INTEGRATED ULTRALOW POWER SRAM, REAL TIME CLOCK and POWER-FAIL CONTROLCIRCUIT
`BYTEWIDEE RAM-LIKECLOCK ACCESS
`BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS
`TYPICALCLOCK ACCURACY of ± 1 MINUTE a MONTH, AT 25°C
`SOFTWARE CONTROLLED CLOCK
   CALIBRATIONfor HIGH ACCURACY APPLICATIONS
`AUTOMATICPOWER-FAILCHIPDESELECTand WRITEPROTECTION
`WRITEPROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage):
   M48T02: 4.5V 3 VPFD 3  4.75V
   M48T12: 4.2V 3 VPFD 3  4.5V
`SELF-CONTAINED BATTERY and CRYSTAL in the CAPHAT DIP PACKAGE
`PIN and FUNCTION COMPATIBLE with JEDEC STANDARD 2Kb x8 SRAMs 


Pinout

Connection Diagram


Specifications

Symbol Parameter
Value
Unit
TA Ambient Operating Temperature
0 to 70
TSTG Storage Temperature (VCC Off, Oscillator Off)
40 to 85
TSLD (2) Lead Solder Temperature for 10 seconds
260
VIO Input or Output Voltages
0.3 to 7
V
VCC Supply Voltage
0.3 to 7
V
IO Output Current
20
mA
PD Power Dissipation
1
W

Notes: 1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to the absolute maximum rating conditions for extended periods of time may affect reliability.
2. Soldering temperature not to exceed 260°C for 10 seconds (total thermal budget not to exceed 150°C for longer than 30 seconds).
CAUTION: Negative undershoots below 0.3 volts are not allowed on any pin while in the Battery Back-up mode.


Description

The M48T02/12TIMEKEEPER@ RAM is a 2Kb x8 non-volatile static RAM and real time clock which is pin and functional compatible with the DS1642. A special 24 pin 600mil DIP CAPHATE package houses the M48T02/12silicon with a quartz crystal and a long life lithium button cell to form a highly integratedbatterybacked-upmemoryand realtime clock solution.




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