AT24C02

@@ -0,0 +1,43 @@+# AT24C02++**HXY MOSFET** · EEPROM · SOP-8++AT24C02 from HXY MOSFET, 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. Hardwired to VIH or VIL to set the least-significant bit of the I2C slave address. Recommended pull-up/pull-down 10 kΩ or less; internally treated as VIL if left floating. |+| 2 | A1 | input | Device address input bit 1. Hardwired to VIH or VIL to set slave address bit. Recommended pull resistor 10 kΩ or less. |+| 3 | A2 | input | Device address input bit 2 (MSB of the 3 chip-select bits). Hardwired to VIH or VIL. Recommended pull resistor 10 kΩ or less. |+| 4 | GND | power_in | Ground reference for the device. |+| 5 | SDA | bidirectional | Serial data line. Bi-directional open-drain I/O; requires an external pull-up resistor to VCC. Can be wire-ORed with other open-drain devices on the I2C bus. |+| 6 | SCL | input | Serial clock input. Rising edge latches data into the EEPROM; falling edge clocks data out. Schmitt-triggered, filtered input for noise immunity. |+| 7 | WP | input | Write protect. Tie to VIL/GND or leave unconnected to enable programming; tie to VIH/VCC to disable all write operations (read is unaffected). Recommended pull resistor 10 kΩ or less. |+| 8 | VCC | power_in | Supply voltage, 1.8 V to 5.5 V (industrial temperature range -40 °C to 85 °C). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HXY MOSFET |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `AT24C02`+- 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:** [HXY MOSFET datasheet](docs/at24c02-datasheet.pdf) (18 pp, sha256 `e781f18387381bd4`, retrieved 2026-08-17, tier: lcsc)+- **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/at24c02-datasheet.pdf)

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