AT24C04D-SSHM-T

@@ -0,0 +1,47 @@+# AT24C04D-SSHM-T++**Microchip** · EEPROM · SOIC-8++AT24C04D-SSHM-T from Microchip, in a SOIC-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 Connect. The NC pin is not bonded to a die pad. May be tied to GND or left floating. |+| 2 | A1 | input | Device address input bit 1. Combined with A2 selects one of up to four devices on the same I2C bus, corresponding to bit 2 of the 7-bit slave address. Internally pulled down to GND via a weak circuit (~0.5xVCC trip point); tie to VCC or GND for deterministic addressing. |+| 3 | A2 | input | Device address input bit 2. Combined with A1 selects one of up to four devices on the same I2C bus, corresponding to bit 3 of the 7-bit slave address. Internally pulled down to GND via a weak circuit. |+| 4 | GND | power_in | Ground reference for the power supply. Connect to system ground. |+| 5 | SDA | bidirectional | I2C serial data. Open-drain bidirectional pin; requires an external pull-up resistor (not to exceed 10kΩ). May be wire-ORed with other open-drain/open-collector pins on the same bus. |+| 6 | SCL | input | I2C serial clock input. Input data is latched on the rising edge; output data changes on the falling edge. Must be held high or externally pulled up when the serial bus is idle. |+| 7 | WP | input | Write Protect. Tie to GND for normal write operation; tie to VCC to inhibit all writes to the array (asserted-high). Weak internal pull-down when floating. |+| 8 | VCC | power_in | Device power supply, 1.7V to 3.6V. Operation outside this range may produce spurious results and should not be attempted. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT24C04D-SSHM-T`++## CAD (KiCad official)++- Symbol: `AT24C04D-SSHM-T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Microchip datasheet](docs/at24c04d-sshm-t-datasheet.pdf) (27 pp, sha256 `f4069c4810edcb48`, retrieved 2026-08-17, tier: manufacturer)+- **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/at24c04d-sshm-t-datasheet.pdf)

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