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RV5C386A-E2

I2C-Bus Real-Time Clock ICs with Voltage Monitoring Function

RICOH Co.,Ltd. 

PRELIMINARY

RV5C386A

9. AC ELECTRICAL CHARACTERISTICS

Unless otherwise specified : VSS=0V,Topt=-40 to +85°C

Input and Output Conditions : VIH=0.8×VDD,VIL=0.2×VDD,VOH=0.8×VDD,VOL=0.2×VDD,CL=50pF

Symbol

Item

Condi-

VDD≥2.0V

VDD≥2.5V

Unit

tions Min. Typ. Max. Min. Typ. Max.

fSCL

SCL Clock Frequency

100

400 KHz

tLOW

SCL Clock Low Time

4.7

1.3

µs

tHIGH SCL Clock High Time

4.0

0.6

µs

tHD;STA Start Condition Hold Time

4.0

0.6

µs

tSU;STO Stop Condition Set Up Time

4.0

0.6

µs

tSU;STA Start Condition Set Up Time

4.7

0.6

µs

tSU;DAT Data Set Up Time

250

200

ns

tHD;DAT Data Hold Time

0

0

ns

tPL;DAT SDA “L” Stable Time

After Falling of SCL

2.0

0.9 µs

tPZ;DAT SDA off Stable Time

After Falling of SCL

2.0

0.9 µs

tR

Rising Time of SCL and

SDA (input)

1000

300 ns

tF

Falling Time of SCL and

SDA (input)

300

300 ns

tSP

Spike Width that can be

removed with Input Filter

50

50 ns

SCL

S

tLOW

tHIGH

SDA(IN)

tHD;STA

tSU;DAT

tHD;DAT

SDA(OUT)

tPL;DAT

S Start Condition

Sr Repeated Start Condition

tPZ;DAT

P Stop Condition

Sr

tHD;STA tSP

tSU;STA

P

tSU;STO

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