# AT24C16DGKRG

**HANSCHIP semiconductor** · EEPROM · MSOP-8

AT24C16DGKRG from HANSCHIP semiconductor, in a MSOP-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 | unconnected | On the AT24C16, the device address input A0 is a No Connect and may be tied to GND. It is not used for hardware device addressing on the 16K variant (whole address space is used for memory page selection). |
| 2 | A1 | unconnected | On the AT24C16, the device address input A1 is a No Connect and may be tied to GND. Not used for hardware device addressing on the 16K variant. |
| 3 | A2 | unconnected | On the AT24C16, the device address input A2 is a No Connect and may be tied to GND. Not used for hardware device addressing on the 16K variant. |
| 4 | GND | power_in | Ground reference for the device (0 V). |
| 5 | SDA | bidirectional | Two-wire serial data line. Open-drain, bi-directional; must be tied to VCC through an external pull-up resistor. May be wire-ORed with any number of other open-drain / open-collector devices on the same bus. |
| 6 | SCL | input | Two-wire serial clock input. Positive edge clocks data into the EEPROM; negative edge clocks data out. Compatible with 1 MHz (at 5V) and 400 kHz (at 1.8/2.5/2.7V) bus speeds. |
| 7 | WP | input | Hardware Write Protect input. Tie to GND for normal read/write operations. Tie to VCC to enable write protection of the full 16K array (see Table 2). |
| 8 | VCC | power_in | Positive supply voltage input. Operating range 1.7 V to 5.5 V. Decouple to GND with a local bypass capacitor. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HANSCHIP semiconductor |
| Package | MSOP-8 |
| Category | Memory |
| Pins | 8 |

## Ordering variants

Same part, different packaging or reel option.

- `AT24C16DGKRG`
- `AT24C16DGKRGDRG`
- `AT24C16DGKRGPG`
- `AT24C16DGKRGDBVRG`

## CAD (KiCad official)

- Symbol: `AT24C16DGKRG`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `at24c16dgkrg-etched.step` / `at24c16dgkrg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `at24c16dgkrg.step` / `at24c16dgkrg.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [HANSCHIP semiconductor datasheet](docs/at24c16dgkrg-datasheet.pdf) (17 pp, sha256 `b84e9e47db0cdee0`, 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/at24c16dgkrg-datasheet.pdf)