FM24C64D-SO-T-G

@@ -0,0 +1,47 @@+# FM24C64D-SO-T-G++**FUDAN MICRO** · EEPROM · SO-8++FM24C64D-SO-T-G from FUDAN MICRO, in a SO-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 | input | Device address input bit 0. Hardwired to VCC or GND to set the chip's I2C slave address, allowing up to 8 devices on the same 2-wire bus. Internally pulled to GND if left floating (with VCC-plane coupling <3pF); FMSH recommends explicit tie to GND when coupling >3pF. |+| 2 | A1 | input | Device address input bit 1. Hardwired to VCC or GND to set the chip's I2C slave address. Internally pulled to GND if left floating (VCC-plane coupling <3pF). |+| 3 | A2 | input | Device address input bit 2. Hardwired to VCC or GND to set the chip's I2C slave address. Internally pulled to GND if left floating (VCC-plane coupling <3pF). |+| 4 | GND | power_in | Ground reference for the device (0V). |+| 5 | SDA | bidirectional | I2C bi-directional serial data line. Open-drain output; requires an external pull-up resistor to VCC. Can be wire-ORed with other open-drain/open-collector devices on the shared bus. |+| 6 | SCL | input | I2C serial clock input. Positive edge clocks data into the EEPROM and negative edge clocks data out. Supports up to 1MHz at VCC 2.5-5.5V and 400kHz at 1.7V. |+| 7 | WP | input | Write Protect input. Tie to GND for normal read/write operation; tie to VCC to inhibit all write operations (full memory hardware protect). Internally pulled to GND when left floating (VCC-plane coupling <3pF); FMSH recommends explicit tie to GND when coupling >3pF. |+| 8 | VCC | power_in | Power supply input, 1.7V to 5.5V (absolute max 6.25V). Typical supply current 0.4 mA read / 2.0 mA write at 5V, 400kHz; standby current 1 μA typ at 1.7V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | FUDAN MICRO |+| Package | SO-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `FM24C64D-SO-T-GSO-T-G`++## CAD (KiCad official)++- Symbol: `FM24C64D-SO-T-G`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SO-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [FUDAN MICRO datasheet](docs/fm24c64d-so-t-g-datasheet.pdf) (27 pp, sha256 `041fcdbee6941c5a`, 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/fm24c64d-so-t-g-datasheet.pdf)

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