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Part Number: M62021FP
Description: The M62021 is a system IC that controls the memory backup function of SRAM and microcomputer (internal...
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M62021FP
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DataSheet
General Description
M62021FP General 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.
M62021FP Maximum Ratings
|
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 |
M62021FP 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
•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
M62021FP Typical 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.
M62021FP Connection Diagram
M62021FP
PDF/DataSheet Download
- Datasheet: M62021FP
- File Size: 115249 KB
- Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]
- Click here to Download
- ·M62
- Mitsubishi
- SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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- ·M62001FP
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- ·M62002FP
- MITSUBISHI [Mitsubishi Electric Semiconductor]
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