TCN75AVOA. View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TCN75AVOA.

2-Wire Serial Temperature Sensor

Microchip Technology 

TCN75A

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

2-Wire I2C™ Compatible Interface

Min Typ Max Units

Conditions

Serial Port Frequency

fSC

0

— 400 kHz

Clock Period

tSC

2.5

—

—

μs

Low Clock

tLOW

1.3

—

—

μs

High Clock

tHIGH

0.6

—

—

μs

Rise Time

tR

20

— 300 ns

Fall Time

tF

20

— 300 ns

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.

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

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

Timing Diagram

t SU-STAtRHT-START

SCL

t HIGH

t LOW

t SU-STOPt B-FREE

SDA

Start Condition

t SU-DATA

t H-DATA

t

,

R

t

F

Data Transmission

Stop Condition

DS21935C-page 4

© 2006 Microchip Technology Inc.

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