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M62021L

Features: •Built-in switch for selection between main power supply and backup power supply to RAM.•Small difference between input and output voltage (IOUT=80mA,VIN=5V)0.2V typ•Detection voltage (power supply monitor voltage)4.40V±0.2V•Chip select signal output(CS) Two chann...

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SeekIC No. : 004406475 Detail

M62021L: Features: •Built-in switch for selection between main power supply and backup power supply to RAM.•Small difference between input and output voltage (IOUT=80mA,VIN=5V)0.2V typ•Dete...

M62021L Data Sheet

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Part Number:
M62021L
Supply Ability:
5000

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  • 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:

•Built-in switch for selection between main power supply and backup power supply to RAM.
•Small difference between input and output voltage
  (IOUT=80mA,VIN=5V)0.2V typ
•Detection voltage (power supply monitor voltage)4.40V±0.2V
•Chip select signal output(CS)
  Two channels of reset outputs(RES/RES)
•Power on reset circuit built-in
•Delay time variable by an external capacitance connected to Ct pin
•Facilitates to form backup function with a few number of components


Application

Power supply control systems for memory backup of microcomputer system and SRAM boards with built-in backup function that require switching between external power supply and battery.




Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Ratings
Units
Input voltage
VIN
7
V
Output current
IOUT
100
mA
Power dissipation
Pd
800(SIP)/625(DIP)/440(FP)
mW
Thermal derating
K
(Ta25°C)
8(SIP)/6.25(DIP)/4.4(FP)
mW/°C
Operating temperature
Topr
-20to75
Storing temperature
Tstg
-40to125



Description

The M62021 is a system IC that controls the memory backup function of SRAM and microcomputer (internal RAM).

The IC outputs reset signals(RES/RES) to a microcomputer at power-down and power failure.It also shifts the power
supply to RAM from main to backup,outputs a signal (CS) that invokes standby mode,and alters RAM to backup circuit mode.

The M62021 contains,in a single chip,power supply monitor and RAM backup functions needed for a microcomputer
system,so that the IC makes it possible to construct a system easily and with fewer components compared with a
conventional case that uses individual ICs and discrete components.




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