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MCP9843 - Memory Module Temperature Sensor w/ EEPROM

General Description

Microchip Technology Inc.’s MCP9843/98243 digital temperature sensors convert temperature from -40°C and +125°C to a digital word.

These sensors meet JEDEC Specification JC42.4-TSE3000B3 and JC42.4-TSE2002B3 Memory Module Thermal Sensor Component.

Key Features

  • Meets JEDEC Specification - MCP9843 - JC42.4-TSE3000B3 Temperature Sensor - MCP98243 --> JC42.4-TSE2002B3 Temperature Sensor with 2 Kbit Serial EEPROM for Serial Presence Detect (SPD).
  • 2-wire I2C™/SMBus Interface.
  • Available Packages: - DFN-8, TDFN-8, UDFN-8, TSSOP-8 Temperature Sensor Features.
  • Temperature-to-Digital Converter.
  • Sensor Accuracy (Grade B): - ±0.2°C/±1°C (typ. /max. ) → +75°C to +95°C - ±0.5°C/±2°C (typ. /max. ) → +40°C to +125°C - ±1°C/±3°.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCP9843/98243 Memory Module Temperature Sensor w/ EEPROM for SPD Features • Meets JEDEC Specification - MCP9843 - JC42.4-TSE3000B3 Temperature Sensor - MCP98243 --> JC42.4-TSE2002B3 Temperature Sensor with 2 Kbit Serial EEPROM for Serial Presence Detect (SPD) • 2-wire I2C™/SMBus Interface • Available Packages: - DFN-8, TDFN-8, UDFN-8, TSSOP-8 Temperature Sensor Features • Temperature-to-Digital Converter • Sensor Accuracy (Grade B): - ±0.2°C/±1°C (typ./max.) → +75°C to +95°C - ±0.5°C/±2°C (typ./max.) → +40°C to +125°C - ±1°C/±3°C (typ./max.) → -20°C to +125°C • Specified VDD Range: 3.0V to 3.6V • Operating Current: 200 µA (typical) • Operating VDD Range: 2.7V to 5.5V Serial EEPROM Features (MCP98243) • Specified VDD Range: 1.8V to 5.5V • Operating Current: - Write → 1.