at24c04cdbvrg

@@ -0,0 +1,49 @@+# AT24C04CDBVRG++**HANSCHIP semiconductor** · EEPROM · SOT-23-5++AT24C04CDBVRG from HANSCHIP semiconductor, in a SOT-23-5. 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 | SCL | input | Serial Clock input for the 2-wire I2C interface. Provides the clock to the device and controls data flow; SDA input is latched on the rising edge of SCL and output data is clocked out on the falling edge. Requires an external pull-up resistor to VCC. Schmitt-trigger and spike-filtered input. |+| 2 | GND | power_in | Ground reference for the power supply. Must be connected to the system ground. |+| 3 | SDA | bidirectional | Serial Data line for the 2-wire I2C interface. Open-drain bidirectional pin used to serially transfer command, address and data bytes; requires an external pull-up resistor to VCC. Schmitt-trigger and spike-filtered input. |+| 4 | VCC | power_in | Device power supply, 1.7 V to 5.5 V (absolute max +6.0 V). A local decoupling capacitor to GND is recommended. Operations at invalid VCC levels may produce spurious results. |+| 5 | WP | input | Hardware Write Protection input. When tied to VCC, the entire memory array (and Identification Page) becomes write-protected (read-only); when tied to GND, write operations are enabled. Floating input is internally pulled down to GND. When driven high, device/word-address bytes are still acknowledged but data bytes are not. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HANSCHIP semiconductor |+| Package | SOT-23-5 |+| Category | Memory |+| Pins | 5 |++## Ordering variants++- `AT24C04CDBVRG`+- `AT24C04CDBVRGDRG`+- `AT24C04CDBVRGDRG4`+- `AT24C04CDBVRGPG`+- `AT24C04CDBVRGDGKRG`+- `AT24C04CDBVRGPWRG`++## CAD (KiCad official)++- Symbol: `AT24C04CDBVRG`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HANSCHIP semiconductor datasheet](docs/at24c04cdbvrg-datasheet.pdf) (None 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/at24c04cdbvrg-datasheet.pdf)

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