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AT24C02CM5

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by Ray

HGSEMI EEPROM, SOT23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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AT24C02CM5

HGSEMI · EEPROM · SOT23-5

AT24C02CM5 from HGSEMI, in a SOT23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 SCL input Serial Clock input. Provides the clock for the 2-wire I2C-compatible interface; command/input data on SDA is latched on the rising edge of SCL and output data is clocked out on the falling edge. Schmitt-trigger filtered input.
2 GND power_in Ground reference for the power supply. Connect to the system ground.
3 SDA bidirectional Serial Data. Open-drain bidirectional I/O used to transfer address, command and data bytes to/from the device. Requires an external pull-up resistor to VCC.
4 VCC power_in Device power supply, 1.7 V to 5.5 V. Bypass with a local decoupling capacitor. Operation at invalid VCC levels may produce spurious results.
5 WP input Write Protect. When tied to VCC the whole memory array (and Identification Page) becomes read-only; when tied to GND write operations are enabled. If left floating the pin is internally pulled down to GND. When driven high, device/word address bytes are still ACKed but data bytes are not.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOT23-5
Category Memory
Pins 5

Ordering variants

  • AT24C02CM5/TR
  • AT24C02CM5CN
  • AT24C02CM5CM/TR
  • AT24C02CM5CMM/TR
  • AT24C02CM5CMT/TR
  • AT24C02CM5CDQ/TR

CAD (KiCad official)

  • Symbol: AT24C02CM5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT23-5 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: HGSEMI datasheet (27 pp, sha256 5143baf87225b7f3, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF