AT24C16D

@@ -0,0 +1,47 @@+# AT24C16D++**IDCHIP** · EEPROM · SOP-8++AT24C16D from IDCHIP, 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 | NC | unconnected | No connect. Not internally bonded; leave floating or tie as convenient. On the AT24C16D the three lower address pins A0/A1/A2 are unused because the device's 11-bit word address consumes the p0/p1/p2 bits that would otherwise be device-select bits. |+| 2 | NC | unconnected | No connect. Not internally bonded; leave floating or tie as convenient. |+| 3 | NC | unconnected | No connect. Not internally bonded; leave floating or tie as convenient. |+| 4 | GND | power_in | Ground / power negative return. Common reference for VCC and the I2C bus. |+| 5 | SDA | bidirectional | I2C serial data line. Open-drain bidirectional data pin; requires an external pull-up to VCC (typ. 10 kΩ). Carries address and data during read/write transactions, and drives ACK/NACK on the 9th clock. |+| 6 | SCL | input | I2C serial clock input driven by the bus master. Data on SDA is sampled on the rising edge and shifted on the falling edge. Maximum frequency 400 kHz at 1.8-2.7 V, 1 MHz at 5 V. Requires an external pull-up (typ. 10 kΩ). |+| 7 | WP | input | Hardware write-protect input. When tied to VCC, write operations to the entire array are inhibited; when tied to GND (or left low), normal write operations are permitted. Read operations are unaffected. |+| 8 | VCC | power_in | Positive supply voltage, 1.8 V to 5.5 V (absolute max 5.5 V). Recommended decoupling with a 1 µF capacitor to GND close to the pin. Standby current <1 µA, active read ~0.5 mA, active write ~2 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | IDCHIP |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C16D`++## CAD (KiCad official)++- Symbol: `AT24C16D`+- 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:** [IDCHIP datasheet](docs/at24c16d-datasheet.pdf) (12 pp, sha256 `e9ef301f0a8c7673`, 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/at24c16d-datasheet.pdf)

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