AT24C512CN

@@ -0,0 +1,54 @@+# AT24C512CN++**HGSEMI** · EEPROM · DIP-8++AT24C512CN from HGSEMI, in a DIP-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 | E0 | input | Device address input bit 0. Hard-wired to VCC or GND to set the least-significant device address bit, allowing up to eight AT24C512C devices on one I2C bus. Internally pulled down to GND if left floating. |+| 2 | E1 | input | Device address input bit 1. Hard-wired to VCC or GND to set the middle device address bit. Internally pulled down to GND if left floating. |+| 3 | E2 | input | Device address input bit 2. Hard-wired to VCC or GND to set the most-significant device address bit. Internally pulled down to GND if left floating. |+| 4 | GND | power_in | Ground reference for the power supply. Must be connected to system ground. |+| 5 | SDA | bidirectional | I2C Serial Data. Open-drain bidirectional pin used to serially transfer data to and from the device; requires an external pull-up resistor to VCC. |+| 6 | SCL | input | I2C Serial Clock. Provides the clock to the device; input/command data on SDA is latched on the rising edge of SCL and output data on SDA is clocked out on the falling edge of SCL. |+| 7 | WP | input | Write Protect. When tied to VCC, the entire memory array is write-protected (Read-only). When tied to GND or left floating, write operations are enabled. When driven high, address bytes are ACKed but data bytes are NACKed. |+| 8 | VCC | power_in | Device power supply, 1.7 V to 5.5 V. Operations at invalid VCC voltages may produce spurious results and should not be attempted. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | DIP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `AT24C512CN`+- `AT24C512CNCM/TR`+- `AT24C512CNCMM/TR`+- `AT24C512CNCMT/TR`+- `AT24C512CNCDQ/TR`+- `AT24C512CNCDQ3/TR`++## CAD (KiCad official)++- Symbol: `AT24C512CN`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: DIP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/at24c512cn-datasheet.pdf) (26 pp, sha256 `9b5af03846a21237`, 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/at24c512cn-datasheet.pdf)

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