BL24C04F-PARC from BL Shanghai Belling, in a SOP-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	NC	unconnected	No internal connection. Leave floating or tie to GND.
2	A1	input	Hardwired device address input bit A1 (matches bit A1 of the I2C device address byte 1010 A2 A1 B8 R/W). Internally biased low if left floating. Allows up to four BL24C04F devices on one bus when combined with A2.
3	A2	input	Hardwired device address input bit A2 (matches bit A2 of the I2C device address byte). Internally biased low if left floating.
4	GND	power_in	Ground reference for the device.
5	SDA	bidirectional	I2C serial data line. Bi-directional, open-drain; requires an external pull-up to Vcc. Wire-ORable with other open-drain devices on the same bus.
6	SCL	input	I2C serial clock input. Data is clocked in on the positive edge and clocked out on the negative edge. Schmitt-trigger, filtered input for noise suppression.
7	WP	input	Write protect input. Tie to GND for normal read/write. Tie to Vcc to hardware write-protect the full 4K memory array. Schmitt-trigger, filtered input.
8	VCC	power_in	Single positive supply rail for the EEPROM. Low-voltage/low-power operation targeted at industrial and commercial applications.

Key specifications

Parameter	Value
Manufacturer	BL Shanghai Belling
Package	SOP-8
Category	Memory
Pins	8

Ordering variants

BL24C04F-PARC

CAD (KiCad official)

Symbol: BL24C04F-PARC
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOP-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`bl24c04f-parc.step`	122 KB	You want the bare part, or you mark your own boards.
`bl24c04f-parc-etched.step`	2.3 MB	You want the part with `BL24C04F-PARC` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 589 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: BL Shanghai Belling datasheet (20 pp, sha256 33e0d9a3929f93f3, 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