TCN75AVOA datasheet(5/40 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS21935D-page 5

TCN75A

Timing Diagram

SERIAL INTERFACE TIMING SPECIFICATIONS (Note 1)

Electrical Specifications:

Unless otherwise indicated, VDD = 2.7V to 5.5V, GND = Ground, TA = -40°C to +125°C,

CL = 80 pF and all limits measured to 50% point.

Parameters

Sym

Min

Typ

Max

Units

Conditions

2-Wire I2C™ Compatible Interface

Serial Port Frequency

fSC

—

400

kHz

Clock Period

tSC

2.5

—

µs

Low Clock

tLOW

1.3

—

µs

High Clock

tHIGH

0.6

—

µs

Rise Time

—

300

10% to 90% of VDD (SCL, SDA)

Fall Time

—

300

90% to 10% of VDD (SCL, SDA)

Data Setup Before SCL High

tSU-DATA

0.1

—

µs

Data Hold After SCL Low

tH-DATA

0—

—

µs

Start Condition Setup Time

tSU-START

0.6

—

µs

Start Condition Hold Time

tH-START

0.6

—

µs

Stop Condition Setup Time

tSU-STOP

0.6

—

µs

Bus Idle

tB-FREE

1.3

—

µs

Note 1:

Specification limits are characterized but not product tested.

Start Condition

Data Transmission

Stop Condition

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