MCP98242T-CE/MC Microchip Technology, MCP98242T-CE/MC Datasheet - Page 10

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

Specifications of MCP98242T-CE/MC

• 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
• Other names: MCP98242T-CE/MCTR

MCP98242
5.0
The MCP98242 temperature sensors consists of a
band-gap type temperature sensor, a Delta-Sigma Ana-
log-to-Digital Converter (ΣΔ ADC), user-programmable
FIGURE 5-1:
DS21996B-page 10
Register
A0
Pointer
FUNCTIONAL DESCRIPTION
A1
Configuration
Manufacturer ID
Device ID/Rev
Resolution
Capability
Temperature
T
T
T
LOWER
CRIT
UPPER
Alarm Win. Lock Bit
Event Polarity
Event Comp/Int
Output Feature
Hysteresis
Shutdown
Critical Trip Lock
Event Status
Output Control
Selected Resolution
Clear Event
Critical Event only
Temp. Range
Accuracy
A2
Temperature Sensor
Functional Block Diagram.
Event
SMBus/Standard I
SDA
Temperature
0.0625°C/bit
0.125°C/bit
Band-Gap
0.25°C/bit
ΣΔ ADC
0.5°C/bit
Sensor
Interface
SCL
2
C
registers and a 2-wire I
serial interface.
the register structure.
Memory
Control
Logic
Figure 5-1
Address
Decoder
EEPROM
X
2
© 2008 Microchip Technology Inc.
C/SMBus protocol compatible
V
DD
shows a block diagram of
Address Decoder
HV Generator
Write Protect
GND
R/W Control
Protected
Sense Amp
Standard
(80h-FFh)
(00h-7Fh)
Write
Array
Circuitry
Array
Y