TC74A7-3.3VAT Microchip Technology, TC74A7-3.3VAT Datasheet - Page 4

• Manufacturer Part Number: TC74A7-3.3VAT
• Description: IC DGTL THERM SNSR 3.3V TO220-5
• Manufacturer: Microchip Technology

Specifications of TC74A7-3.3VAT

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Full Temp Accuracy: 3 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 8 bit
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Description/function: Tiny Serial Digital Thermal Sensor
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 350 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TC74A73.3VAT

TC74
FIGURE 1-1:
DS21462C-page 4
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
SCLK
SDA
SCLK
SDA
SMBUS Read Timing Diagram
SMBUS Write Timing Diagram
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(START)
SU(START)
A
A
t
H(START)
t
H(START)
t
t
LOW
LOW
Timing Diagrams.
B
B
t
t
HIGH
HIGH
t
t
SU-DATA
SU-DATA
C
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
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 F
E F
t
H-DATA
G
G
J = Acknowledge Clocked into Master
K = Acknowledge Clock Pulse
L = Stop Condition, Data Executed by Slave
M = New Start Condition
H
H
I = Acknowledge Clock Pulse
J = Stop Condition
K = New Start Condition
 2002 Microchip Technology Inc.
I J
I
t
SU(STOP)
t
K
SU(STOP)
J
L
t
t
IDLE
IDLE
M
K