CAT24C08WI-GT3

@@ -0,0 +1,57 @@+# CAT24C08WI-GT3++**onsemi** · EEPROM · SOIC-8++CAT24C08WI-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 | NC | unconnected | No Connect. On the CAT24C08 variant the A0 device-address pin is not used internally (a10, a9, a8 of the memory map are supplied by upper address bits inside the device), so pin 1 is a No Connect. Leave floating or tie to VSS. |+| 2 | NC | unconnected | No Connect on the CAT24C08 variant. The A1 device-address function is not implemented because the 8-Kb array consumes the internal address extension bits. Leave floating or tie to VSS. |+| 3 | NC | unconnected | No Connect on the CAT24C08 variant. The A2 device-address function is not implemented on the 8-Kb device. Leave floating or tie to VSS. |+| 4 | VSS | power_in | Ground reference (0 V). Common return for the supply and all logic signals. |+| 5 | SDA | bidirectional | I2C Serial Data input/output. Open-drain pin that receives input data and transmits data stored in the EEPROM. Data is latched on the positive edge of SCL and driven on the negative edge. Requires an external pull-up to VCC. Input capacitance typ. 8 pF max. |+| 6 | SCL | input | I2C Serial Clock input. Accepts the serial clock generated by the bus master. Supports 100 kHz Standard-mode and 400 kHz Fast-mode. Requires an external pull-up to VCC. VIH >= 0.7 x VCC (max 5.5 V). |+| 7 | WP | input | Write Protect input. When held HIGH, all write operations to the entire memory array are inhibited (read operations are unaffected). Internally pulled LOW when not driven, so writes are enabled by default. VIH >= 0.7 x VCC. |+| 8 | VCC | power_in | Power supply, 1.7 V to 5.5 V. Read current typ. 1 mA, write current typ. 2 mA, standby current 1-5 uA. Bypass locally to VSS with a 0.1 uF ceramic capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `CAT24C08WI-GT3WI`+- `CAT24C08WI-GT3LI`+- `CAT24C08WI-GT3YI`+- `CAT24C08WI-GT3ZI`+- `CAT24C08WI-GT3USI`+- `CAT24C08WI-GT3VP2I`+- `CAT24C08WI-GT3HU4I`+- `CAT24C08WI-GT3TDI`+- `CAT24C08WI-GT3C4A`+- `CAT24C08WI-GT3C4U`+- `CAT24C08WI-GT3C5A`++## CAD (KiCad official)++- Symbol: `CAT24C08WI-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/cat24c08wi-gt3-d.pdf) (23 pp, sha256 `1068a4f09584c5b3`, 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/cat24c08wi-gt3-datasheet.pdf)

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