AT24C16

@@ -0,0 +1,47 @@+# AT24C16++**IDCHIP** · EEPROM · SOP-8++AT24C16 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. The AT24C16 consumes all three device-address bits (A0/A1/A2) internally for page selection within the 2Kx8 array, so this pad is left floating on the SOP-8 package. |+| 2 | NC | unconnected | No connect. See pin 1 note; the device-address input is not used on the 16Kbit density. |+| 3 | NC | unconnected | No connect. See pin 1 note; the device-address input is not used on the 16Kbit density. |+| 4 | GND | power_in | Ground reference (0V) for the device (电源负). |+| 5 | SDA | bidirectional | I2C serial data line (串行数据端). Open-drain bidirectional input/output for address, data, and acknowledge bits; requires an external pull-up resistor (typ. 10kΩ) to VCC. |+| 6 | SCL | input | I2C serial clock input (串行时钟端). Clocks data into/out of the device on rising/falling edges; up to 1MHz at VCC=5V, 400kHz at 1.8V/2.5V/2.7V. Requires an external pull-up resistor (typ. 10kΩ) to VCC. |+| 7 | WP | input | Write-protect input (写保护端). When tied high, hardware write protection blocks write operations to the array; when tied low (or left low via pull-down), normal read/write operation is permitted. |+| 8 | VCC | power_in | Positive supply (电源正). Operating range 1.8V to 5.5V (absolute max 5.5V). Recommend a 1μF decoupling capacitor to GND as shown in the typical application circuit. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | IDCHIP |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C16`++## CAD (KiCad official)++- Symbol: `AT24C16`+- 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/at24c16-datasheet.pdf) (12 pp, sha256 `74187a0319348f68`, 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/at24c16-datasheet.pdf)

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