24C04BN from XBLW 24C04BN XBLW, 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-connect. Not internally bonded; may be left floating.
2	A1	input	Device address input bit 1. Hardwired to VIH or VIL to set the chip's I2C device address (matched against the 5th/6th device-address bits). Floating pins are internally recognized as VIL; a pull-up/pull-down of 10 kOhm or less is recommended.
3	A2	input	Device address input bit 2. Hardwired to VIH or VIL to set the chip's I2C device address. Floating pins default to VIL internally; recommended pull-up/down 10 kOhm or less.
4	GND	power_in	Device ground reference (0 V).
5	SDA	bidirectional	Serial data line. Bidirectional open-drain I/O for the 2-wire (I2C-compatible) bus. Requires an external pull-up resistor; can be wire-ORed with other open-drain devices.
6	SCL	input	Serial clock input. Rising edge latches data into the EEPROM; falling edge clocks data out. Schmitt-triggered filtered input; supports 1 MHz (2.5-5V) or 400 kHz (1.8V).
7	WP	input	Write protect. Tie to VIL (or leave floating) to allow programming; tie to VIH or VCC to disable all programming operations. Read operations are unaffected. Recommended pull-up/down 10 kOhm or less.
8	VCC	power_in	Positive supply. 1.8 V to 5.5 V (industrial temperature range -40 C to 85 C). Standby current typically < 1 uA.

Key specifications

Parameter	Value
Manufacturer	XBLW 24C04BN XBLW
Package	SOP-8
Category	Memory
Pins	8

Ordering variants

24C04BN
24C04BNN
24C04BNMN
24C04BNTN
24C04BNDN
24C04BND6
24C04BNS

CAD (KiCad official)

Symbol: 24C04BN
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
`24c04bn.step`	122 KB	You want the bare part, or you mark your own boards.
`24c04bn-etched.step`	1.6 MB	You want the part with `24C04BN` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 412 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: XBLW 24C04BN XBLW datasheet (20 pp, sha256 aed51281433cee82, 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