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M62023P Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor |
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M62023P Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor |
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1 / 4 page  MITSUBISHI <Dig./Ana.INTERFACE> SYSTEM RESET IC WITH SWITCH FOR MEMORY BACK-UP M62023L,P,FP 1997.5.30- rev ( / ) PRELIMINARY PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. 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. FEATURES • Built-in switch for selection between main power supply and back- up 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 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. 1 4 8 CS 7 RES 6 GND 5 RES VOUT 1 VBAT 2 VIN 3 Ct 4 8 CS 7 RES 6 GND 5 RES 4 Ct 3 VIN 2 VBAT 1 VOUT PIN CONFIGURATION (TOP VIEW) Outline 8P5 (L) Outline 8P4 (P) 8P2S-A (FP) Com GND RESET CIRCUIT 1.24V 1 8 4 3 R1 R2 SW DELAY CIRCUIT 7 5 2 D1 6 VOUT VBAT CS Ct VIN RES RES BLOCK DIAGRAM |
Similar Part No. - M62023P |
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Similar Description - M62023P |
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