AT24C512CM

@@ -0,0 +1,52 @@+# AT24C512CM++**HGSEMI** · EEPROM · SOP-8++AT24C512CM from HGSEMI, 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 | E0 | input | Device address input bit 0. Hard-wired to VCC or GND to set the software-selectable slave address bit A0, allowing up to 8 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 slave-address bit A1. Internally pulled down to GND if left floating. |+| 3 | E2 | input | Device address input bit 2. Hard-wired to VCC or GND to set slave-address bit A2. Internally pulled down to GND if left floating. |+| 4 | GND | power_in | Ground reference for the power supply. Must be tied to the system ground. |+| 5 | SDA | bidirectional | Serial data. Open-drain bidirectional I2C data line used to transfer address and data serially to and from the device. Requires an external pull-up resistor to VCC. |+| 6 | SCL | input | Serial clock. I2C clock input; command and input data on SDA are latched on the rising edge, output data on SDA is clocked out on the falling edge. Includes Schmitt trigger and spike-suppression filter. |+| 7 | WP | input | Write Protect. Tie to VCC to make the entire memory array read-only (device address byte and word address bytes still acknowledged, data bytes NACKed). Tie to GND or leave floating to enable write operations. |+| 8 | VCC | power_in | Device power supply, 1.7V to 5.5V. Operations at invalid VCC voltages may produce spurious results. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C512CM/TR`+- `AT24C512CMCN`+- `AT24C512CMM/TR`+- `AT24C512CMT/TR`+- `AT24C512CMCDQ/TR`+- `AT24C512CMCDQ3/TR`++## CAD (KiCad official)++- Symbol: `AT24C512CM`+- 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:** [HGSEMI datasheet](docs/at24c512cm-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/at24c512cm-datasheet.pdf)

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