M62003P 데이터 시트보기 (PDF) - Renesas Electronics

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M62003P

Low Power 2 Output System Reset IC Series

Renesas Electronics 

M62001L/FP to M62008L/FP

Operating Description

VCC

VSH

VSL

VSH

VSL

VSH

VSLVBATT

VSH

VSLVBATT

GND

INT

(Hold output type)

GND

INT

(Pulse output type)

GND

RESET

GND

Uncertain

area

Pulse width

7µs

td

(1)(2)

(3)

(4)

Uncertain

area

td

(5) (6)

(7)(8)

Uncertain

area

(9) (10)

(1): If VCC rises to VSH (4.55V, 4.35V), the INT output is

set to high level.

*1. A pulse is output if INT is of pulse output type.

(2): RESET goes high td (s) after VSH.

*1. td ≈ 1.52 × 105 × C (s)

(3): If VCC drops to VSL (4.45V, 4.25V), INT goes low.

*1. A pulse is output if INT is of pulse output type.

*2. The RESET output continues to be held high.

(4): If VCC returns to VSH, the INT output is set to high level.

(5): Same as (3).

(6): If VCC becomes lower than VBATT (2.15V), the RESET

output is set to low thereby resetting the microcomputer

and initializing system.

(7): Same as (1).

(8): Same as (2).

(9): Same as (3) and (5).

(10): Same as (6).

Figure 4 Operating Waveform

Application Example

Power supply

VCC (+5V)

Backup power

Smoothing

capacitor

+100µF

supply

+

VBATT (+3V)

–

VCC

INT

VDD

Power supply pin

INT

*Note

(Interruption reset signal)

INT

Interruption input

+

–

Delay

Cd

capacitor 0.33µF

RESET

RESET

*Note

(Compulsive reset signal)

M6200x

Microcomputer

system reset IC

Note: A pull-up resistor is required only in the case of open-drain output.

Figure 5 Application Example

RESET

Reset input

Clock input/output

Microcomputer

system

Rev.1.00 Sep 14, 2005 page 8 of 9

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