AT24C512C-SSHD-T

@@ -0,0 +1,48 @@+# AT24C512C-SSHD-T++**Microchip** · EEPROM · SOIC-8++AT24C512C-SSHD-T from Microchip, in a SOIC-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 least-significant bit of the I2C slave address, allowing up to eight AT24C512C devices to share one 2-wire bus. Internally pulled down to GND if left floating, but Atmel recommends tying to a known state (10kΩ or less). |+| 2 | A1 | input | Device address input bit 1. Hardwired to VCC or GND to help select one of up to eight devices on a shared 2-wire bus. Internally pulled down to GND if left floating; Atmel recommends a hard tie or pull-resistor (10kΩ or less). |+| 3 | A2 | input | Device address input bit 2 (MSB of the hardware address). Hardwired to VCC or GND for multi-device addressing on a shared 2-wire bus. Internally pulled down to GND if left floating; Atmel recommends a hard tie or pull-resistor (10kΩ or less). |+| 4 | GND | power_in | Ground / VSS reference for the device. |+| 5 | SDA | bidirectional | Serial data line for the 2-wire (I2C-compatible) interface. Bidirectional, open-drain (requires an external pull-up to VCC, typically 1.3kΩ at 2.5-5V or 10kΩ at 1.7V per AC spec). May be wire-ORed with any number of other open-drain/open-collector devices. Input capacitance 8pF max. |+| 6 | SCL | input | Serial clock input for the 2-wire (I2C-compatible) interface. Positive edges clock data into the device, negative edges clock data out. Supports up to 400kHz at 1.7V VCC and up to 1MHz at 2.5-5.5V VCC. Requires external pull-up to VCC. |+| 7 | WP | input | Write Protect input. When tied to GND, normal write operations are permitted; when tied directly to VCC, all writes to the memory array are inhibited (full-array protection). Internally pulled down to GND if left floating; Atmel recommends a hard tie or 10kΩ or smaller pull resistor. |+| 8 | VCC | power_in | Positive supply voltage. Operating range 1.7V to 3.6V (VCC1 variant) or 2.5V to 5.5V (VCC2 variant). Typical supply currents: 2.0mA (read at 400kHz, 5V) and 3.0mA (write at 400kHz, 5V); standby currents 1-6µA depending on VCC. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C512C-SSHD-TSSHD-T`+- `AT24C512C-SSHD-TSSHD`++## CAD (KiCad official)++- Symbol: `AT24C512C-SSHD-T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Microchip datasheet](docs/at24c512c-sshd-t-datasheet.pdf) (21 pp, sha256 `9a744ba063c1f9ee`, retrieved 2026-08-17, tier: manufacturer)+- **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/at24c512c-sshd-t-datasheet.pdf)

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