Rainbow-electronics DS1393 Manuale Utente Scaricare il pdf (Pagina 23)

DS1390/DS1391/DS1392/DS1393

Low-Voltage SPI/3-Wire RTCs with

Trickle Charger

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DS1390

DS1393

DS1391

DS1392

CE

SQW

I/O

CPU

V

CC

V

CC

V

CC

DIN

CS

GND

X2X1

CRYSTAL

SQW/INT

V

BACKUP

SCLK

DOUT

INT

CPU

V

CC

V

CC

V

CC

CE

GND

X2X1

CRYSTAL

SQW/INT

V

BACKUP

SCLK

I/O

CPU

V

CC

V

CC

V

CC

DIN

RST

RST

CS

GND

X2X1

CRYSTAL

V

BACKUP

SCLK

DOUT

CPU

V

CC

V

CC

V

CC

GND

X2X1

CRYSTAL

V

BACKUP

SCLK

RST

RST

Typical Operating Circuits

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