TC74A0-33VAT MICROCHIP [Microchip Technology], TC74A0-33VAT Datasheet - Page 6

• Manufacturer Part Number: TC74A0-33VAT
• Description: Tiny Serial Digital Thermal Sensor
• Manufacturer: MICROCHIP [Microchip Technology]

TC74
Timing Diagrams
DS21462B-page 6
SDA
SCL
SCL
SDA
A = START Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
t
t
SU
SU
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
(START) t
(START) t
SMBUS Write Timing Diagram
SMBUS READ Timing Diagram
A
A
H
H
(START)
(START)
I
LOW
I
LOW
B
B
I
HIGH
I
HIGH
t
t
SU
SU
-Data
-DATA
C
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
C
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
D
D
E
E
F
F
t
H
-DATA
I = Acknowledge Clock Pulse
J = STOP Condition
K = New START Condition
J = Acknowledge Clocked into Master
K = Acknowledge Clock Pulse
L = STOP Condition, Data Executed by Slave
M = New START Condition
G
G
H
H
©
2002 Microchip Technology Inc.
I
I
J
t
SU
(STOP
K
t
SU
(STOP) t
)
J
L
t
IDLE
IDLE
M
K