HG24C02CMM

@@ -0,0 +1,53 @@+# HG24C02CMM++**HGSEMI** · EEPROM · MSOP-8++HG24C02CMM from HGSEMI, 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 | E0 | input | Device address input bit 0. Hard-wired to VCC or GND to set the chip's I2C slave address, allowing up to eight devices on the same bus. Internally pulled down to GND if left floating. |+| 2 | E1 | input | Device address input bit 1. Hard-wired to VCC or GND to set the chip's I2C slave address. Internally pulled down to GND if left floating. |+| 3 | E2 | input | Device address input bit 2. Hard-wired to VCC or GND to set the chip's I2C slave address. 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 I/O used to serially transfer data to and from the device. Requires an external pull-up resistor to VCC. Data is latched on the rising edge of SCL and clocked out on the falling edge. |+| 6 | SCL | input | Serial Clock input. Provides the clock that controls data flow to and from the device. Command and input data on SDA are latched on the rising edge of SCL; output data on SDA is clocked out on the falling edge. |+| 7 | WP | input | Write Protect input. When tied to VCC the entire memory array (including the Identification Page) 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 with a local decoupling capacitor to GND. Operation at invalid VCC voltages may produce spurious results. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | MSOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `HG24C02CMM`+- `HG24C02CMM/TR`+- `HG24C02CMMN`+- `HG24C02CMMM/TR`+- `HG24C02CMMMT/TR`+- `HG24C02CMMDQ/TR`+- `HG24C02CMMM5/TR`++## CAD (KiCad official)++- Symbol: `HG24C02CMM`+- 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:** [HGSEMI datasheet](docs/hg24c02cmm-datasheet.pdf) (27 pp, sha256 `9dbf6583c4c248f6`, 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/hg24c02cmm-datasheet.pdf)

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