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M48T59

Features: `INTEGRATED ULTRA LOW POWER SRAM,REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY`FREQUENCY TEST OUTPUT for REAL TIME CLOCK `AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION`WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): M48T59: 4.5V VPFD 4.75V M48T59Y: 4.2...

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SeekIC No. : 004405390 Detail

M48T59: Features: `INTEGRATED ULTRA LOW POWER SRAM,REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY`FREQUENCY TEST OUTPUT for REAL TIME CLOCK `AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION`...

M48T59 Data Sheet

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Part Number:
M48T59
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 and BATTERY
`FREQUENCY TEST OUTPUT for REAL TIME CLOCK
`AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION
`WRITE PROTECT VOLTAGES
  (VPFD = Power-fail Deselect Voltage):
   M48T59: 4.5V VPFD 4.75V
   M48T59Y: 4.2VVPFD 4.5V
`SELF-CONTAINED BATTERY and CRYSTAL in the CAPHAT DIP PACKAGE
`PACKAGING INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP (to be Ordered Separately)
`SOIC PACKAGE PROVIDES DIRECT
   CONNECTION for a SNAPHAT TOP which
   CONTAINS the BATTERY and CRYSTAL
`MICROPROCESSOR POWER-ON RESET (Valid even during battery back-up mode)
`PROGRAMMABLE ALARM OUTPUT ACTIVE in the BATTERY BACK-UP MODE


Pinout

Connection Diagram


Specifications

Symbol Parameter
Value
Unit
TA Ambient Operating Temperature Grade 1
0 to 70
Grade 6
-40 to +85
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 excee  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.
CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.


Description

The M48T59/59Y TIMEKEEPER® RAM is an 8Kb x8 non-volatile static RAM and real time clock. The monolithic chip is available in two special packages to provide a highly integrated battery backed-up memory and real time clock solution.




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