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Contents

README

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BR25A1MFJ-3MGE2

ROHM Semicon · EEPROM · SOIC-8

BR25A1MFJ-3MGE2 from ROHM Semicon, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CSB input Chip select input for the SPI bus.
2 SO output Serial data output.
3 WPB input Write protect input; the write status register command is prohibited while this input is active.
4 GND power_in All input/output reference voltage, 0V.
5 SI input Operation code, address, and serial data input.
6 SCK input Serial clock input.
7 HOLDB input Hold input; command communications may be suspended temporarily (HOLD status).
8 Vcc power_in Power source to be connected.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOIC-8
Category Memory
Pins 8

CAD (KiCad official)

  • Symbol: BR25A1MFJ-3MGE2
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: br25a1mfj-3mge2-etched.step / br25a1mfj-3mge2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); br25a1mfj-3mge2.step / br25a1mfj-3mge2.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (30 pp, sha256 0d7ba7026ddf7b2f, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF