TC74A0-5.0VCT View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC74A0-5.0VCT

Tiny Serial Digital Thermal Sensor

Microchip Technology 

TC74

Timing Diagrams

SMBUS READ Timing Diagram

A

B

ILOW

IHIGH

C

D

EF

G

SCL

SDA

H

I

J

K

tSU(START) tH(START)

A = START Condition

B = MSB of Address Clocked into Slave

C = LSB of Address Clocked into Slave

D = R/W Bit Clocked into Slave

tSU-Data

E = Slave Pulls SDA Line Low

F = Acknowledge Bit Clocked into Master

G = MSB of Data Clocked into Master

H = LSB of Data Clocked into Master

I = Acknowledge Clock Pulse

J = STOP Condition

K = New START Condition

tSU(STOP)

tIDLE

SMBUS Write Timing Diagram

A

B

C

D

EF

G

ILOW IHIGH

SCL

SDA

H

IJ

K

L

M

tSU(START) tH(START)

tSU-DATA

tH-DATA

A = START Condition

B = MSB of Address Clocked into Slave

C = LSB of Address Clocked into Slave

D = R/W Bit Clocked into Slave

E = Slave Pulls SDA Line Low

F = Acknowledge Bit Clocked into Master

G = MSB of Data Clocked into Slave

H = LSB of Data Clocked into Slave

I = Slave Pulls SDA Line Low

J = Acknowledge Clocked into Master

K = Acknowledge Clock Pulse

L = STOP Condition, Data Executed by Slave

M = New START Condition

tSU(STOP) tIDLE

DS21462B-page 6

© 2002 Microchip Technology Inc.

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