Microchip Technology
Microchip Technology Inc., headquartered in Chandler, Arizona, leads in microcontrollers and analog semiconductors, facilitating diverse global applications with innovative solutions, low-risk development, and dependable quality assurance.
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• Meets JEDEC Specification- MCP9843 - JC42.4-TSE3000B3Temperature Sensor- MCP98243 --> JC42.4-TSE2002B3Temperature Sensor with 2 Kbit SerialEEPROM for Serial Presence Detect (SPD)
• 2-wire I2C™/SMBus Interface
• Available Packages:- DFN-8, TDFN-8, UDFN-8, TSSOP-8
• DIMM Modules for Servers, PCs, and Laptops
• General Purpose Temperature DatalogDIMM MODULEMicrochip Technology Inc.’s MCP9843/98243 digitaltemperature sensors convert temperature from -40°Cand +125°C to a digital word. These sensors meetJEDEC SpecificationandJC42.4-TSE2002B3 Memory Module Thermal SensorComponent. It provides an accuracy of ±0.2°C/±1°C(typical/maximum) from +75°C to +95°C. In addition,MCP98243 has an internal 256 Byte EEPROM whichcan be used to store memory module and vendorinformation.JC42.4-TSE3000B3The MCP9843/98243 digitaltemperature sensorcomes with user-programmable registers that provideflexibility for DIMM temperature-sensing applications.The registers allow user-selectable settings such asShutdown or Low-Power modes and the specificationofthetemperature Event boundaries. Whentemperature changes beyond the specified Eventboundary limits, the MCP9843/98243 outputs an Alertsignal at the Event pin. The user has the option ofsetting the temperature Event output signal polarity aseither an active-low or active-high comparator outputfor thermostat operation, or as a temperature Eventinterrupt output for microprocessor-based systems.The MCP98243 EEPROM is designed specifically forDRAM DIMMs (Dual In-line Memory Modules) SerialPresence Detect (SPD). The lower 128 Bytes (address0x00 to 0x7F) can be Permanent Write Protected(PWP) or Software Reversible Write Protected (SWP).This allows DRAM vendor and product information tobe stored and write protected. The upper 128 bytes(address 0x80 to 0xFF) can be used for generalpurpose data storage. These addresses are not writeprotected.This sensor has anindustry standard 2-wire,I2C compatible serial interface, allowing up to eightdevices to be controlled in a single serial bus.
TYPE | DESCRIPTION | Select all |
---|---|---|
Sensor Type | Internal | |
Supplier Device Package | 8-DFN (2x3) | |
Function | Temp Monitoring System (Sensor), DIMM DDR Memory | |
Package / Case | 8-VFDFN Exposed Pad | |
Product Status | Active | |
Mounting Type | Surface Mount | |
Package | Tape & Reel (TR) | |
Operating Temperature | -40°C ~ 125°C | |
Voltage - Supply | 2.7V ~ 5.5V | |
Series | - | |
Output Fan | No | |
Output Alarm | Yes | |
Output Type | I²C/SMBus | |
Topology | ADC (Sigma Delta), Register Bank | |
Accuracy | ±3°C(Max) | |
Sensing Temperature | -40°C ~ 125°C |
Microchip Technology
Microchip Technology Inc., headquartered in Chandler, Arizona, leads in microcontrollers and analog semiconductors, facilitating diverse global applications with innovative solutions, low-risk development, and dependable quality assurance.
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