AT24C512C-SSHM-T

@@ -0,0 +1,60 @@+# AT24C512C-SSHM-T++**Microchip** · EEPROM · SOP-8++AT24C512C-SSHM-T from Microchip, 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. Hardwire high or low to set one of eight device addresses on the shared I2C bus. If left floating, an internal proprietary circuit biases the pin to logic low, but Atmel recommends tying it to a known state (pull-up/down <=10kOhm) because capacitive coupling can disturb it. |+| 2 | A1 | input | Device address input bit 1. Hardwire high or low to set one of eight device addresses on the shared I2C bus. If left floating, an internal proprietary circuit biases the pin to logic low, but Atmel recommends tying it to a known state (pull-up/down <=10kOhm). |+| 3 | A2 | input | Device address input bit 2. Hardwire high or low to set one of eight device addresses on the shared I2C bus. If left floating, an internal proprietary circuit biases the pin to logic low, but Atmel recommends tying it to a known state (pull-up/down <=10kOhm). |+| 4 | GND | power_in | Ground reference (0V) for the device. |+| 5 | SDA | bidirectional | I2C serial data. Open-drain bidirectional line for address/data transfer; requires an external pull-up to VCC (typ. 1.3kOhm at 2.5-5V, 10kOhm at 1.7V). May be wire-ORed with any number of other open-drain / open-collector devices. Input capacitance ~8pF. |+| 6 | SCL | input | I2C serial clock input. Positive edge clocks data into the device, negative edge clocks data out. Max 400kHz at 1.7V, 1MHz at 2.5-5.5V. Input capacitance ~6pF. |+| 7 | WP | input | Write protect input. Tie to GND for normal read/write; tie to VCC to inhibit all write operations (full-array protection). If left floating, an internal circuit pulls it to GND, but Atmel recommends always driving it to a known state (pull-up/down <=10kOhm) to avoid capacitive coupling issues. |+| 8 | VCC | power_in | Supply voltage. 1.7V to 3.6V for the AT24C512C-SSHM (M grade). Typical operating current 2mA (read) / 3mA (write) at 400kHz; standby current 1-3uA. Decouple to GND with a local 100nF capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C512C-SSHM-TSSHM-B`+- `AT24C512C-SSHM-TSSHM-T`+- `AT24C512C-SSHM-TSSHD-B`+- `AT24C512C-SSHM-TSSHD-T`+- `AT24C512C-SSHM-TSHM-B`+- `AT24C512C-SSHM-TSHM-T`+- `AT24C512C-SSHM-TSHD-B`+- `AT24C512C-SSHM-TSHD-T`+- `AT24C512C-SSHM-TXHM-B`+- `AT24C512C-SSHM-TXHM-T`+- `AT24C512C-SSHM-TXHD-B`+- `AT24C512C-SSHM-TXHD-T`+- `AT24C512C-SSHM-TMAHM-T`+- `AT24C512C-SSHM-TCUM-T`++## CAD (KiCad official)++- Symbol: `AT24C512C-SSHM-T`+- 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:** [Microchip datasheet](docs/at24c512c-sshm-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-sshm-t-datasheet.pdf)

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