MCP98242T-BE/MCBAC Microchip Technology, MCP98242T-BE/MCBAC Datasheet - Page 21

• Manufacturer Part Number: MCP98242T-BE/MCBAC
• Description: JEDEC DIMM Serial Output Temp Sensor + SPD EEPROM 8 DFN 2X3mm T/R
• Manufacturer: Microchip Technology

Specifications of MCP98242T-BE/MCBAC

• 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: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 5-5:
Section 4.0 “Serial Communication”).
© 2008 Microchip Technology Inc.
SCLK
SDA
SCLK
SDA
S
1
0
S
2
0
1
0
Address Byte
Timing Diagram for Reading +25.25°C Temperature from the T
3
1
2
0
4
Address Byte
1
3
1
A
5
2
4
1
6
A
1
5
A
2
A
7
0
6
A
MCP98242
1
W
8
A
7
0
MCP98242
A
C
K
8
R
1
0
A
C
K
2
0
1
0
3
0
T
0
2
A
4
Pointer
0
3
0
MSB Data
5
0
4
0
6
1
0
5
7
0
6
0
MCP98242
8
1
7
0
A
C
K
8
1
Master
A
C
K
1
1
Note:
2
0
3
0
LSB Data
MCP98242
4
1
It is not necessary to
select
pointer if it was set from
the previous read/write.
A
5
0
Register (See
6
1
7
DS21996B-page 21
0
the
8
0
Master
N
A
K
register
P