AT24C16M

@@ -0,0 +1,53 @@+# AT24C16M++**HGSEMI** · EEPROM · SOP-8++AT24C16M from HGSEMI, 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 internal connection. Leave floating or tie to any potential; the pin has no function in the 24C16 variant. |+| 2 | NC | unconnected | No internal connection. Leave floating or tie to any potential; the pin has no function in the 24C16 variant. |+| 3 | NC | unconnected | No internal connection on the 24C16 (this pin is E2 slave-address input on the 24C08 variant only). |+| 4 | VSS | power_in | Ground reference for the VCC supply. Connect to the system 0 V rail. |+| 5 | SDA | bidirectional | I2C serial data input/output. Open-drain output; requires an external pull-up resistor to VCC and may be wire-ORed with other open-drain devices on the bus. VOL = 0.2 V at IOL = 0.15 mA (VCC = 1.7 V) or 0.4 V at IOL = 2.1 mA (VCC = 3.0 V). |+| 6 | SCL | input | I2C serial clock input. Positive-edge clocks data in, negative-edge clocks data out. Schmitt-trigger, noise-filtered input; requires external pull-up per I2C bus specification. Supports up to 400 kHz (1.7-5.5 V) or 1 MHz. |+| 7 | WCB | input | Write Control input, active-low enable for write operations. Tie to VCC to inhibit all writes to the memory array; tie to VSS (or leave floating - internal pull-down to VSS) to allow normal writes. |+| 8 | VCC | power_in | Positive supply voltage, 1.7 V to 5.5 V. Standby current typ 0.5-1.0 uA; read current typ 0.2 mA; write current typ 0.8 mA at 400 kHz. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C16MM/TR`+- `AT24C16MN`+- `AT24C16MMT/TR`+- `AT24C16MMM/TR`+- `AT24C16MDQ3/TR`+- `AT24C16MDQ2/TR`+- `AT24C16MM5/TR`++## CAD (KiCad official)++- Symbol: `AT24C16M`+- 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:** [HGSEMI datasheet](docs/at24c16m-datasheet.pdf) (21 pp, sha256 `3e86ae75d43fb087`, 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/at24c16m-datasheet.pdf)

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