M62021 Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Fabricante

M62021

System Reset IC with Switch for Memory Backup

Renesas Electronics 

M62021L/P/FP

Schmitt Trigger Circuit

Since waveforms show a gentle rise due to the RC delay circuit, INV1, INV2, R5, and R6 constitute a Schmitt trigger

circuit to produce hysteresis so as to prevent each output from chattering.

Internal Circuit

Ct

4

R1

60.94k

R3

22k

R4

R5

47

10k

Com

VR

–

+

Q1

R2

24k

Vref

1.24V

VIN

RES

3

5

R6

47k

INV1 INV2

R7

10k

Q2

INV3 INV4

RES

7

Q4

1 VOUT

R8

R10 R11

10k

800 10k

D1

2 VBAT

Q3

INV5 INV6 INV7

R9

Q5

INV8 INV9

5k R10

22k

8 CS

6 GND

Figure 5 Internal Circuit

REJ03D0784-0200 Rev.2.00 Jun 15, 2007

Page 7 of 13

Share Link: