TC74A0-3.3VCTTRG View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

TC74A0-3.3VCTTRG

Tiny Serial Digital Thermal Sensor

Microchip Technology 

TC74

SMBUS Read Timing Diagram

A

B

C

D

EF

G

tLOW tHIGH

SCLK

SDA

H

I

JK

tSU(START) tH(START)

tSU-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 Master

H = LSB of Data Clocked into Master

tSU(STOP) tIDLE

I = Acknowledge Clock Pulse

J = Stop Condition

K = New Start Condition

SMBUS Write Timing Diagram

A

B

C

D

EF

G

tLOW tHIGH

SCLK

SDA

H

IJ

K

LM

tSU(START) tH(START)

tSU-DATA

tH-DATA

tSU(STOP) tIDLE

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 J = Acknowledge Clocked into Master

G = MSB of Data Clocked into Slave K = Acknowledge Clock Pulse

H = LSB of Data Clocked into Slave

L = Stop Condition, Data Executed by Slave

I = Slave Pulls SDA Line Low

M = New Start Condition

FIGURE 1-1:

Timing Diagrams.

DS21462D-page 4

 2001-2012 Microchip Technology Inc.

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