RV5C386A_03 Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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RV5C386A_03

I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

RICOH Co.,Ltd. 

RV5C386A

AC ELECTRICAL CHARACTERISTICS

Unless otherwise specified : VSS=0V, Topt=–40 to +85˚C

I/O conditions: VIH=0.8×VDD, VIL=0.2×VDD, VOL=0.2×VDD, CL=50pF

Symbol

Item

fSLC

SCL clock frequency

Conditions

VDD≥2.0V

VDD≥2.5V

MIN. TYP. MAX. MIN. TYP. MAX.

Unit

100

400 kHz

tLOW SCL clock “L” time

4.7

1.3

µs

tHIGH SCL clock “H” time

4.0

0.6

µs

tHD ; STA Start condition hold time

4.0

0.6

µs

tSU ; STO Stop condition setup time

4.0

0.6

µs

tSU ; STA Start condition setup time

4.7

0.6

µs

tSU ; DAT Data setup 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

Spike width that can be removed

tSP

with input filter

50

50

ns

S

SCL

SDA(IN)

tHD;STA

SDA(OUT)

tLOW

tSU;DAT

tPL;DAT

tHIGH

tHD;DAT

tPZ;DAT

Sr

tHD;STA

tSU;STA

P

tSP

tSU;STO

S Start condition

Sr Repeated start condition

P Stop condition

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

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