RS5C321A Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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RS5C321A

ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz

RICOH Co.,Ltd. 

RS5C321A/B

BLOCK DIAGRAM

32KOUT

OSCIN

OSCOUT

32kHz CLOCK

CONTORL

TIME COUNTER

(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)

OSC DIV

OSC

DETECT

ADDRESS

DECODER

ADDRESS

REGISTER

SHIFT REGISTER

I/O

CONTROL

SCLK/SCLK*

SIO

CE

*) RS5C321A: SCLK RS5C321B: SCLK

APPLICATIONS

• Communication equipment (Multi-function telephone, portable telephone, PHS, pager)

• Business machines (Facsimile, portable facsimile)

• Personal computer (Desktop type, notebook type, word processor, PDA, electronic notebook, TV games)

• Audio visual equipment (Portable audio equipment, video camera, camera, digital camera, remote control equip-

ment)

• Home use (Rice cooker, microwave range)

PIN CONFIGURATION

• 8pin SSOP (0.65mm pitch)

RS5C321A

CE

1

8

SCLK

2

7

SIO

3

6

VSS

4

5

VDD

OSCIN

OSCOUT

32KOUT

CE

SCLK

SIO

VSS

RS5C321B

1

8

2

7

3

6

4

5

VDD

OSCIN

OSCOUT

32KOUT

2

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