hg24c16mm

@@ -0,0 +1,54 @@+# HG24C16MM++**HGSEMI** · EEPROM · MSOP-8++HG24C16MM 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 | A0 | unconnected | Device address input A0. On the HG24C16 the device-address pins are not used for hard-wired addressing (the 16K uses these bits as internal page-address bits), so this pin is a no-connect and may be tied to GND. Input capacitance ~6 pF. |+| 2 | A1 | unconnected | Device address input A1. On the HG24C16 this pin is a no-connect (page-address bit internally) and may be tied to GND. Input capacitance ~6 pF. |+| 3 | A2 | unconnected | Device address input A2. On the HG24C16 this pin is a no-connect (page-address bit internally) and may be tied to GND. Input capacitance ~6 pF. |+| 4 | GND | power_in | Ground reference for the device. Tie WP to GND for normal read/write operation. |+| 5 | SDA | bidirectional | Serial data I/O for the two-wire (I2C-compatible) interface. Open-drain output; requires an external pull-up to VCC and may be wire-ORed with other open-drain/open-collector devices. I/O capacitance ~8 pF. VOL ≤ 0.4 V at IOL = 3 mA (VCC = 5 V). |+| 6 | SCL | input | Serial clock input for the two-wire interface. Data is clocked into the EEPROM on the positive edge and clocked out on the negative edge. Schmitt-trigger, filtered input for noise suppression. Max fSCL = 1 MHz at VCC = 5 V (400 kHz at 1.8-2.7 V). |+| 7 | WP | input | Write Protect input. When tied to GND, normal read/write operations are allowed. When tied to VCC, the full 16 K array is write-protected (hardware data protection). VIH ≥ 0.7·VCC, VIL ≤ 0.3·VCC. |+| 8 | VCC | power_in | Positive supply voltage input, 1.7 V to 5.5 V. Typical read current ICC1 = 0.4 mA @ 5 V/100 kHz; typical write current ICC2 = 2.0 mA (3 mA max). Standby current ISB ≤ 2 µA. Absolute max 6.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | MSOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `HG24C16MM/TR`+- `HG24C16MMM/TR`+- `HG24C16MMM-4K/TR`+- `HG24C16MMN`+- `HG24C16MMM5/TR`+- `HG24C16MMM8/TR`+- `HG24C16MMDQ3/TR`+- `HG24C16MMDQ2/TR`++## CAD (KiCad official)++- Symbol: `HG24C16MM`+- 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/hg24c16mm-datasheet.pdf) (None pp, sha256 `228b5241d9f7dc0a`, 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/hg24c16mm-datasheet.pdf)

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