RV5C339A_03 datasheet(6/46 Pages) RICOH

Teilenummer	RV5C339A

Bauteilbeschribung	3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

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Hersteller	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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6 / 46 page

RV5C339A

6

Symbol

Item

Conditions

VDD

≥2.0V

VDD

≥4.5V

Unit

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

tCES

CE Set-up Time

400

200

ns

tCEH

CE Hold Time

400

200

ns

tCR

CE Recovery Time

62

µs

fSCLK

SCLK Clock Frequency

1.0

2.0

MHz

tCKH

SCLK Clock “H” Time

400

200

ns

tCKL

SCLK Clock “L” Time

400

200

ns

tCKS

SCLK Set-up Time

200

100

ns

tRD

Data Output Delay Time

300

150

ns

tRZ

Data Output Floating Time

300

150

ns

tCEZ

Data Output Floating Time

300

150

ns

After Falling of CE

tDS

Input Data Set-up Time

200

100

ns

tDH

Input Data Hold Time

200

100

ns

AC ELECTRICAL CHARACTERISTICS

Unless otherwisespecified : Vss=0V, Topt=–40 to +85˚C, CL=50pF

Input/output conditions : VIH=0.8

× VDD, VIL=0.2 × VDD, VOH=0.8 × VDD, VOL=0.2 × VDD

CE

SCLK

SIO (Write cycle)

SIO (Read cycle)

tCKH

tCKL

tCKS

tCES

tDS

tDH

tRD

tRZ

tCEZ

tCEH

tCR

*) For read/write timing, see Paragraph “USAGES, 1.5 Considerations in Reading and Writing Time Data”

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RV5C339A Datenblatt(PDF) 6 Page - RICOH electronics devices division

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