CAT24C32WI-GT3

@@ -0,0 +1,54 @@+# CAT24C32WI-GT3++**onsemi** · EEPROM · SOIC-8++CAT24C32WI-GT3 from onsemi, 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. Hard-wired HIGH or LOW to set the I2C slave address, allowing up to eight CAT24C32 devices on a single bus. Internally pulled LOW (weak pull-down, ~50 uA max input current) when left floating. |+| 2 | A1 | input | Device address input bit 1. Hard-wired HIGH or LOW to set the I2C slave address. Internally pulled LOW (weak pull-down) when left floating. |+| 3 | A2 | input | Device address input bit 2. Hard-wired HIGH or LOW to set the I2C slave address. Internally pulled LOW (weak pull-down) when left floating. |+| 4 | VSS | power_in | Ground reference for the device. |+| 5 | SDA | bidirectional | I2C Serial Data I/O (open-drain). Data is acquired on the positive edge of SCL and delivered on the negative edge. Requires an external pull-up resistor to VCC. Input capacitance ~8 pF max. |+| 6 | SCL | input | I2C Serial Clock input. Accepts the clock generated by the bus master at up to 100 kHz (Standard), 400 kHz (Fast), or 1 MHz (Fast-Plus). Requires an external pull-up resistor to VCC. |+| 7 | WP | input | Write Protect input. When pulled HIGH, inhibits all write operations to the entire memory array. Internally pulled LOW (weak pull-down, ~130 uA max input current at VCC = 5.5 V) when left floating, so writes are allowed by default. |+| 8 | VCC | power_in | Supply voltage input, 1.7 V to 5.5 V. Powers the EEPROM core and I/O; Fast-Plus (1 MHz) operation requires VCC >= 2.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `CAT24C32WI-GT3W`+- `CAT24C32WI-GT3WI-GT3`+- `CAT24C32WI-GT3L`+- `CAT24C32WI-GT3Y`+- `CAT24C32WI-GT3HU4`+- `CAT24C32WI-GT3US`+- `CAT24C32WI-GT3C5A`+- `CAT24C32WI-GT3C4C`++## CAD (KiCad official)++- Symbol: `CAT24C32WI-GT3`+- 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:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/cat24c32wi-gt3-d.pdf) (16 pp, sha256 `58aeb31e57e946d3`, 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/cat24c32wi-gt3-datasheet.pdf)

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