AT24C04CDGKRG

@@ -0,0 +1,53 @@+# AT24C04CDGKRG++**HANSCHIP semiconductor** · EEPROM · MSOP-8++AT24C04CDGKRG 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 | NC | unconnected | No internal connection on the SOP-8/DIP-8/MSOP-8 packages. Leave floating or tie to GND. |+| 2 | E1 | input | Device Address Input bit 1. Hard-wired address bit that must match the E1 field in the I2C device address byte. Tie directly to VCC or GND; internally pulled down to GND if left floating. |+| 3 | E2 | input | Device Address Input bit 2. Hard-wired address bit that must match the E2 field in the I2C device address byte. Tie directly to VCC or GND; internally pulled down to GND if left floating. |+| 4 | GND | power_in | Ground reference for the power supply. Connect to system ground. |+| 5 | SDA | bidirectional | Serial Data. Open-drain bidirectional I2C data line for command, address, and data transfer. Requires an external pull-up resistor to VCC. |+| 6 | SCL | input | Serial Clock. I2C clock input driven by the bus master; data on SDA is latched on the rising edge and clocked out on the falling edge. Requires an external pull-up resistor to VCC. |+| 7 | WP | input | Write Protection. When tied to VCC the entire memory array becomes read-only; when tied to GND write operations are enabled. Internally pulled down to GND if left floating. |+| 8 | VCC | power_in | Device power supply, 1.7 V to 5.5 V. Bypass to GND with a local decoupling capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HANSCHIP semiconductor |+| Package | MSOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C04CDGKRG`+- `AT24C04CDGKRGCDRG`+- `AT24C04CDGKRGCDRG4`+- `AT24C04CDGKRGCPG`+- `AT24C04CDGKRGCPWRG`+- `AT24C04CDGKRGCRG`+- `AT24C04CDGKRGCDBVRG`++## CAD (KiCad official)++- Symbol: `AT24C04CDGKRG`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HANSCHIP semiconductor datasheet](docs/at24c04cdgkrg-datasheet.pdf) (25 pp, sha256 `9492833a9d4101cf`, 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/at24c04cdgkrg-datasheet.pdf)

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