MCP9805T-BE/ST Microchip Technology, MCP9805T-BE/ST Datasheet - Page 22

• Manufacturer Part Number: MCP9805T-BE/ST
• Description: IC,TEMPERATURE SENSOR,TSSOP,8PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of MCP9805T-BE/ST

• Rohs Compliant: YES
• 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: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Temperature Threshold: Programmable
• Full Temp Accuracy: 3 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 10 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 20 C
• Supply Current: 500 uA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

MCP9805
5.2
FIGURE 5-2:
DS21977B-page 22
SCLK
SDA
S = START Condition
P = STOP Condition
Read 1-byte Data
SCLK
Read 2-byte Data
SDA
Timing Diagram
SCLK
SDA
S
1
0
S
2
0
1
0
Address Byte
Read 1-byte and 2-byte data from a Register.
S
3
1
2
0
SCLK
SDA
1
0
4
Address Byte
1
1
3
2
0
A
5
2
4
1
Address Byte
3
1
6
A
1
5
A
2
4
1
A
7
0
S
A
6
1
MCP9805
5
A
W
2
8
1
0
7
A
0
MCP9805
A
6
1
A
C
K
2
0
8
R
Address Byte
A
7
0
1
0
3
1
MCP9805
A
C
K
W
8
2
0
4
1
15
1
D
A
C
K
3
0
5
A
2
14
2
D
Pointer
1
0
4
0
A
6
1
13
3
D
MSb Data
2
0
5
0
A
7
0
12
4
D
MCP9805
3
0
6
P
2
8
R
11
Pointer
D
5
4
0
7
P
1
A
C
K
10
6
D
MCP9805
5
0
8
P
0
1
D
7
7
D
9
6
P
2
A
C
K
D
2
6
8
D
8
Master
7
P
1
D
3
5
A
C
K
MCP9805
8
Data
P
0
D
4
4
1
D
7
A
C
K
D
5
3
D
2
6
D
6
2
D
3
5
© 2005 Microchip Technology Inc.
LSb Data
D
1
7
D
4
4
8
D
0
D
Master
3
5
N
A
K
D
2
6
P
D
7
1
8
D
0
Master
N
A
K
P