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M62021P, M62022FP, M62023FP

Table of contents:
Info of M62021P
Info of M62022FP
Info of M62023FP

M62021P, M62022FP, M62023FP Selling Leads, Datasheet

MFG:-- Package Cooled:DIP D/C:07+

M62021P, M62022FP, M62023FP Datasheet download

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Part Number: M62021P

MFG: --

Package Cooled: DIP

D/C: 07+

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M62021P 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.

M62021P Maximum Ratings

Parameter	Symbol	Conditions	Ratings	Units
Input voltage	V_IN		7	V
Output current	I_OUT		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

M62021P 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

M62021P 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.

M62021P Connection Diagram

M62022FP General Description

The M62022 is a semiconductor integrated circuit resets logic circuits according to supply voltage.It is used with many types of circuits,including central processing units.

With the built-in delay circuit,delay time can be adjusted at the user's option by externally adding capacitance.

This circuit can also be used in other applications,such as battery check,level detection and waveform shaping.

M62022FP Maximum Ratings

Symbol	Parameter	Conditions	Ratings	Unit
Vcc	Supply voltage		18	V
ISINK	Output Sink Current		6	mA
VO	Output Voltage		18	V
Pd	power dissipation		450(SIP)/300(FP)	mW
K	Thermal Derating	Ta 25°C	4.5(SIP)/3.0(FP)	mW/°C
Topr	operating temperature		-30 to +85
Tstg	storage temperature		-40 to +125

M62022FP Features

•Requires only a few external components.
•Ensures long delay time at low capacitance.
e.g.Delay time is 100ms at 0.33F.
•Limit operating voltage*is low.
0.6V standard(Resistance RL=22k)
(*Minimum supply voltage at which output can be kept low.)
•Wide supply voltage range.....................2~17V
•Highly resistant to rapid voltage fluctuation
•Wide application range
•5-pin single in-line package equivalent in height to dual in-line package

M62022FP Typical Application

Reset circuit in p-channel metal-oxide semiconductors,nchannel metal-oxide semiconductors,complementary metal-oxide semiconductors,microcomputers,central processing units,microcomputer units and other logic circuits,Battery check circuit,Backup power selection circuit;Level detection circuit,Waveform shaping circuit,Delay waveform generation circuit,DC-DC converter,and Overvoltage protection circuit.

M62022FP Connection Diagram

M62023FP General Description

The M62023L/P/FP is a system reset IC that controls the memory backup function of an SRAM and an embedded RAM of a microcontroller.

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

M62023FP Maximum Ratings

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

M62023FP Features

• Built-in switch for selection between main power supply and backup power supply to RAMs
• Small difference between input and output voltages
(IOUT=80mA, VIN=3V) : 0.15V typ
• Detection voltage (power supply monitor voltage) : 2.57V typ
• Chip select signal output (CS)
• Two channels of reset outputs (RES/RES)
• Power on reset circuit

M62023FP Typical Application

Power supply control systems for memory of microcontroller systems in electronic equipment such as OA equipment,
industrial equipment, and home-use electronic appliances and SRAM boards with built-in backup function that require
switching between external power supply and battery.

M62023FP Connection Diagram

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