AT24C32D-SSHM-T

@@ -0,0 +1,54 @@+# AT24C32D-SSHM-T++**Microchip** · EEPROM · SOIC-8++AT24C32D-SSHM-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 high or low to set the lower bit of the 3-bit hardware slave address, allowing up to eight AT24C32D devices on the same 2-wire bus. Internally pulled to GND if left floating and VCC-plane coupling is <3 pF; Atmel recommends tying to GND when coupling is >3 pF. |+| 2 | A1 | input | Device address input bit 1. Hardwired to set the middle bit of the slave address. Same floating-behavior notes as A0 (internal pull-down to GND when board-VCC coupling is <3 pF). |+| 3 | A2 | input | Device address input bit 2. Hardwired to set the upper bit of the slave address. Same floating-behavior notes as A0/A1. |+| 4 | GND | power_in | Ground reference (0 V) for supply and all logic signals. |+| 5 | SDA | bidirectional | Serial data line for the 2-wire (I2C-compatible) interface. Open-drain output; requires an external pull-up resistor to VCC and may be wire-ORed with other open-drain devices. Input capacitance up to 8 pF. |+| 6 | SCL | input | Serial clock input for the 2-wire interface. Positive edges clock data into the device and negative edges clock data out. Supports up to 400 kHz at 1.7V VCC and up to 1 MHz at 5.0V VCC; Schmitt-trigger and noise-filtered input. |+| 7 | WP | input | Write Protect input. Tie to GND for normal write operation; tie to VCC to inhibit all writes to the EEPROM array (hardware write protection). Internally pulled to GND if left floating and board-VCC coupling is <3 pF; Atmel recommends tying to GND when coupling is >3 pF. |+| 8 | VCC | power_in | Positive supply, 1.7 V to 5.5 V. Standby current 1.0 uA typ @1.7V (6.0 uA @5.5V); read current 0.4 mA typ and write current 2.0 mA typ at VCC=5.0V, 400 kHz. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C32D-SSHM-TSSHM-T`+- `AT24C32D-SSHM-TSSHM-B`+- `AT24C32D-SSHM-TXHM-T`+- `AT24C32D-SSHM-TXHM-B`+- `AT24C32D-SSHM-TMAHM-T`+- `AT24C32D-SSHM-TMEHM-T`+- `AT24C32D-SSHM-TSTUM-T`+- `AT24C32D-SSHM-TCUM-T`++## CAD (KiCad official)++- Symbol: `AT24C32D-SSHM-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/at24c32d-sshm-t-datasheet.pdf) (26 pp, sha256 `76d3077e3392f9ed`, 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/at24c32d-sshm-t-datasheet.pdf)

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