RV5C348A-E2-F datasheet(40/47 Pages) RICOH

Part #	RV5C348A-E2-F

Description	4-wire Serial Interface

Download	47 Pages

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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40 / 47 page

Rx5C348A/B

Typical Characteristics

Test circuit

Frequency

Counter

VDD

OSCIN

OSCOUT

32KOUT

VSS

32768Hz

X’tal : 32.768kHz

(R1=30kΩ typ)

(CL=6pF to 8pF)

Topt : 25°C

Output pins : Open

Timekeeping Current vs. Supply voltage

(with no 32-kHz clock output)

(with 32-kHz clock output)

(CE=Open, Output=Open, Topt=25°C,Rx5C348A)

(CE=Open, Output=Open,Topt=25°C)

0

0.2

0.4

0.6

0.8

1

0123456

Supply Voltage VDD(v)

0

0.5

1

1.5

2

0123456

Supply Voltage VDD(v)

Rx5C348A

Rx5C348B

CPU Access Current vs. SCLK Clock Frequency

Timekeeping Current vs. Operating Temperature

(Output=Open, Topt=25°C)

(with no 32-kHz clock output)

(CE=Open, Output=Open)

0

10

20

30

40

50

0

500

1000

1500

2000

SCLK Clock Frequency (kHz)

0

0.5

1

1.5

2

-60 -40 -20 0 20 40 60 80 100

Operating Temperature Topt(°C)

VDD=5v

VDD=3v

12345

- 40 -

＊RT5C348B (TSSOP10G) and RS5C348B (SSOP10) are the discontinued products. As of July in 2016.

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RV5C348A-E2-F Datasheet(PDF) 40 Page - RICOH electronics devices division

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