BL24C04F-PARC

@@ -0,0 +1,47 @@+# BL24C04F-PARC++**BL Shanghai Belling** · EEPROM · SOP-8++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-PARCPARC`++## CAD (KiCad official)++- Symbol: `BL24C04F-PARC`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/bl24c04f-parc-datasheet.pdf) (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](docs/bl24c04f-parc-datasheet.pdf)

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