MCP98242T-BE/MNYBA3 datasheet, PDF

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MCP98242T-BE/MNYBA3: DescriptionSerial Switch/Digital Sensor, 16 Bit(s), 2Cel, Rectangular, Surface Mount; CategoryThe sensor; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MCP98242T-BE/MNYBA3 Overview

Serial Switch/Digital Sensor, 16 Bit(s), 2Cel, Rectangular, Surface Mount

MCP98242T-BE/MNYBA3 Parametric

Parameter Name	Attribute value
Maker	Microchip
package instruction	TDFN-8
Reach Compliance Code	compliant
Maximum accuracy (Celsius)	2 Cel
Other features	TS 16949
body width	2 mm
body height	0.75 mm
Body length or diameter	3 mm
shell	PLASTIC
Installation features	SURFACE MOUNT
Number of digits	16
Maximum working current	0.5 mA
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Output interface type	2-WIRE INTERFACE
Package Shape/Form	RECTANGULAR
Sensor/temperature sensor type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage	3.6 V
Minimum supply voltage	3 V
surface mount	YES
Termination type	SOLDER

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MCP98242

Memory Module Temperature Sensor w/EEPROM for SPD

Features:

•

Temperature Sensor + 256 Byte Serial EEPROM

EEPROM for Serial Presence Detect (SPD)

Optimized for Voltage Range: 3.0V to 3.6V

Shutdown/Standby Current: 3 µA (maximum)

2-wire Interface: I

C™/SMBus Compatible

Available Packages: DFN-8, TDFN-8, UDFN-8,

TSSOP-8

Description:

Microchip Technology Inc.’s MCP98242 digital

temperature sensor converts temperature from -40°C

and +125°C to a digital word. This sensor meets

JEDEC Specification JC42.4 Mobile Platform Memory

Module Thermal Sensor Component. It provides an

accuracy of ±0.5°C/±1°C (typical/maximum) from

+75°C to +95°C. In addition, this device has an internal

256 Byte EEPROM which can be used to store memory

module and vendor information.

The MCP98242 digital temperature sensor comes with

user-programmable registers that provide flexibility for

DIMM temperature-sensing applications. The registers

allow user-selectable settings such as Shutdown or

Low-Power modes and the specification of

temperature event and critical output boundaries.

When the temperature changes beyond the specified

boundary limits, the MCP98242 outputs an Event

signal. The user has the option of setting the Event

output signal polarity as either an active-low or

active-high comparator output for thermostat operation,

or as a temperature event interrupt output for

microprocessor-based systems. The Event output can

also be configured as a critical temperature output.

The EEPROM is designed specifically for DRAM

DIMMs (Dual In-line Memory Modules) Serial Presence

Detect (SPD). The lower 128 bytes (address 00h to

7Fh) can be Permanent Write-Protected (PWP) or

Software Reversible Write-Protected (SWP). This

allows DRAM vendor and product information to be

stored and write-protected. The upper 128 bytes

(address 80h to FFh) can be used for general purpose

data storage. These addresses are not write-protected.

This sensor has an industry standard 2-wire, I

SMBus compatible serial interface, allowing up to eight

devices to be controlled in a single serial bus. To

maintain interchangeability with the I

C/SMBus

interface the electrical specifications are specified with

the operating voltage of 3.0V to 3.6V. In addition, a

40 ms (typical) time out is implemented.

Temperature Sensor Features:

• Temperature-to-Digital Converter

• Operating Current: 200 µA (typical)

• Accuracy:

- ±0.5°C/±1°C (typ./max.)



+75°C to +95°C

- ±1°C/±2°C (typ./max.)



+40°C to +125°C

- ±2°C/±3°C (typ./max.)



-20°C to +125°C

Serial EEPROM Features:

• Operating Current:

- Write

1.1

mA (typical) for 3.5 ms (typical)

- Read

100

µA (typical)

• Permanent and Reversible Software Write-Protect

• Software Write Protection for the Lower 128 Bytes

• Organized as 1 Block of 256 Bytes (256x8)

Typical Applications:

• DIMM Modules

• Laptops, Personal Computers and Servers

• Hard Disk Drives and Other PC Peripherals

DIMM MODULE

Memory

MCP98242

Temperature Sensor + EEPROM

• ±0.5°C (typ.) Sensor

• 256 Byte EEPROM for SPD

Package Types

MCP98242

8-Pin DFN/TDFN/UDFN (2x3) * 8-Pin TSSOP

A0 1

A1 2

A2 3

8 V

A0 1

8 V

7 Event

6 SCLK

5 SDA

7 Event A1 2

6 SCLK A2 3

5 SDA GND 4

3.3V

SPD

SDA

SCL

Event

GND 4

* Includes Exposed Thermal Pad (EP); see

Table 3-1.



2010 Microchip Technology Inc.

DS21996D-page 1

MCP98242T-BE/MNYBA3 Related Products

	MCP98242T-BE/MNYBA3	MCP98242-BE/MNYBAC	MCP98242-BE/MUY	MCP98242-BE/MCBAC	MCP98242T-BE/MNYBAF
Description	Serial Switch/Digital Sensor, 16 Bit(s), 2Cel, Rectangular, Surface Mount	DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT, 2 X 3 MM, 0.75 HEIGHT, PLASTIC, TDFN-8	DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT, 3 X 2 MM, 0.50 MM HEIGHT, UDFN-8	DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT, 3 X 2 MM, 0.90 MM HEIGHT, PLASTIC, DFN-8	Serial Switch/Digital Sensor, 16 Bit(s), 2Cel, Rectangular, Surface Mount
Maker	Microchip	Microchip	Microchip	Microchip	Microchip
package instruction	TDFN-8	2 X 3 MM, 0.75 HEIGHT, PLASTIC, TDFN-8	3 X 2 MM, 0.50 MM HEIGHT, UDFN-8	3 X 2 MM, 0.90 MM HEIGHT, PLASTIC, DFN-8	TDFN-8
Reach Compliance Code	compliant	unknown	unknown	unknown	compliant
Maximum accuracy (Celsius)	2 Cel	2 Cel	2 Cel	2 Cel	2 Cel
body width	2 mm	2 mm	2 mm	2 mm	2 mm
body height	0.75 mm	0.75 mm	0.5 mm	0.9 mm	0.75 mm
Body length or diameter	3 mm	3 mm	3 mm	3 mm	3 mm
shell	PLASTIC	PLASTIC	PLASTIC	PLASTIC	PLASTIC
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Number of digits	16	16	16	16	16
Maximum working current	0.5 mA	0.5 mA	0.5 mA	0.5 mA	0.5 mA
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Output interface type	2-WIRE INTERFACE	2-WIRE INTERFACE	2-WIRE INTERFACE	2-WIRE INTERFACE	2-WIRE INTERFACE
Package Shape/Form	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Sensor/temperature sensor type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Minimum supply voltage	3 V	3 V	3 V	3 V	3 V
surface mount	YES	YES	YES	YES	YES
Termination type	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER

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