FM24C64D-SO-T-G from FUDAN MICRO, in a SO-8. 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	A0	input	Device address input bit 0. Hardwired to VCC or GND to set the chip's I2C slave address, allowing up to 8 devices on the same 2-wire bus. Internally pulled to GND if left floating (with VCC-plane coupling <3pF); FMSH recommends explicit tie to GND when coupling >3pF.
2	A1	input	Device address input bit 1. Hardwired to VCC or GND to set the chip's I2C slave address. Internally pulled to GND if left floating (VCC-plane coupling <3pF).
3	A2	input	Device address input bit 2. Hardwired to VCC or GND to set the chip's I2C slave address. Internally pulled to GND if left floating (VCC-plane coupling <3pF).
4	GND	power_in	Ground reference for the device (0V).
5	SDA	bidirectional	I2C bi-directional serial data line. Open-drain output; requires an external pull-up resistor to VCC. Can be wire-ORed with other open-drain/open-collector devices on the shared bus.
6	SCL	input	I2C serial clock input. Positive edge clocks data into the EEPROM and negative edge clocks data out. Supports up to 1MHz at VCC 2.5-5.5V and 400kHz at 1.7V.
7	WP	input	Write Protect input. Tie to GND for normal read/write operation; tie to VCC to inhibit all write operations (full memory hardware protect). Internally pulled to GND when left floating (VCC-plane coupling <3pF); FMSH recommends explicit tie to GND when coupling >3pF.
8	VCC	power_in	Power supply input, 1.7V to 5.5V (absolute max 6.25V). Typical supply current 0.4 mA read / 2.0 mA write at 5V, 400kHz; standby current 1 μA typ at 1.7V.

Key specifications

Parameter	Value
Manufacturer	FUDAN MICRO
Package	SO-8
Category	Memory
Pins	8

Ordering variants

Same part, different packaging or reel option.

FM24C64D-SO-T-G

CAD (KiCad official)

Symbol: FM24C64D-SO-T-G
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SO-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`fm24c64d-so-t-g.step`	122 KB	You want the bare part, or you mark your own boards.
`fm24c64d-so-t-g-etched.step`	2.4 MB	You want the part with `FM24C64D-SO-T-G` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 611 faces against 147 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

Datasheet: FUDAN MICRO datasheet (27 pp, sha256 041fcdbee6941c5a, 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