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Contents

README

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M95640-WMN6P

STMicroelectronics · EEPROM · SO-8

M95640-WMN6P from STMicroelectronics, in a SO-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 S input Chip Select: the device is selected when S is driven low, and it must see a falling edge after power-up before any instruction starts.
2 Q output Serial Data Output, with DC output current limited to 5 mA (IOL for Q = 0 and IOH for Q = 1).
3 W input Write Protect input used together with the status register bits to protect the memory array.
4 VSS power_in Ground reference for the device.
5 D input Serial Data Input, sampled on the serial clock C.
6 C input Serial Clock input supporting SPI clock rates up to 20 MHz.
7 HOLD input Hold input: communications with the device are interrupted while HOLD is driven low.
8 VCC power_in Supply voltage, 2.5 V to 5.5 V for the M95640-W, over an ambient range of -40 °C to +85 °C.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SO-8
Category Memory
Pins 8

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin TLEAD Lead temperature during soldering See note (1) 1. Compliant with JEDEC standard J-STD-020D (for small-body, Sn-Pb or Pb free assembly), the ST 32

CAD (KiCad official)

  • Symbol: M95640-WMN6P
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: m95640-wmn6p-etched.step / m95640-wmn6p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); m95640-wmn6p.step / m95640-wmn6p.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (53 pp, sha256 6b136d5d2ea5ba78, retrieved 2026-11-05, 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