BL24C512A-PARC

@@ -0,0 +1,54 @@+# BL24C512A-PARC++**BL Shanghai Belling** · EEPROM · SOP-8++BL24C512A-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 | A0 | input | Device address input bit 0. Hardwired to VCC or GND to set the chip's 3-bit slave-address field, allowing up to eight BL24C512A devices on one I2C bus. Internally biased low if left floating. |+| 2 | A1 | input | Device address input bit 1. Hardwired to VCC or GND to set the chip's 3-bit slave-address field. Internally biased low if left floating. |+| 3 | A2 | input | Device address input bit 2. Hardwired to VCC or GND to set the chip's 3-bit slave-address field. Internally biased low if left floating. |+| 4 | GND | power_in | Ground reference for the device. |+| 5 | SDA | bidirectional | I2C serial data. Bi-directional open-drain pin for transferring address and data words in and out of the EEPROM; requires an external pull-up resistor to VCC and may be wire-ORed with other open-drain devices on the bus. |+| 6 | SCL | input | I2C serial clock input. Positive edges clock data into the EEPROM; negative edges clock data out. Up to 1 MHz. |+| 7 | WP | input | Write Protect. When tied to GND, normal read/write operations are enabled. When tied to VCC, hardware write protection is enabled for the full 512 Kbit array. |+| 8 | VCC | power_in | Positive supply voltage input for the EEPROM core and I/O. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `BL24C512A-PARCPARC`+- `BL24C512A-PARCPART`+- `BL24C512A-PARCPARS`+- `BL24C512A-PARCPATC`+- `BL24C512A-PARCPATS`+- `BL24C512A-PARCDA`+- `BL24C512A-PARCSF`+- `BL24C512A-PARCNT`++## CAD (KiCad official)++- Symbol: `BL24C512A-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/bl24c512a-parc-datasheet.pdf) (17 pp, sha256 `046de910d8da4355`, 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/bl24c512a-parc-datasheet.pdf)

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