24LC64T-I/SN

@@ -0,0 +1,52 @@+# 24LC64T-I++**Microchip** · EEPROM · SOIC-8++24LC64T-I 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 | A0 | input | Chip Address Input bit 0. Compared with the corresponding bit of the slave address in the control byte; must be tied to VCC or VSS to select one of up to eight cascaded devices on the same I2C bus. |+| 2 | A1 | input | Chip Address Input bit 1. Compared with the corresponding bit of the slave address; must be tied to VCC or VSS. |+| 3 | A2 | input | Chip Address Input bit 2. Compared with the corresponding bit of the slave address; must be tied to VCC or VSS. |+| 4 | VSS | power_in | Ground reference for the device. |+| 5 | SDA | bidirectional | Serial Address/Data I/O for the I2C bus. Open-drain output requires an external pull-up resistor to VCC (typical 10 kΩ for 100 kHz, 2 kΩ for 400 kHz). Bidirectional data line; changes only while SCL is low except for START/STOP conditions. |+| 6 | SCL | input | Serial Clock input used to synchronize data transfer to and from the device. Schmitt-trigger input with spike filtering; up to 400 kHz operation (VCC ≥ 2.5V). |+| 7 | WP | input | Write Protect input. Tie to VCC to inhibit WRITE operations on the entire 0000h-1FFFh array (reads unaffected); tie to VSS or leave floating (internal pull-down) for normal read/write operation. Sampled at the STOP bit of every write command. |+| 8 | VCC | power_in | Positive supply input, +2.5V to +5.5V for 24LC64 (24AA64 variant supports 1.8V-5.5V). Typical ICC = 1 mA write / 0.05 mA read; standby ICC = 1 µA (Industrial). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `24LC64T-IP`+- `24LC64T-ISN`+- `24LC64T-ISM`+- `24LC64T-IST`+- `24LC64T-IMS`+- `24LC64T-ISTX`++## CAD (KiCad official)++- Symbol: `24LC64T-I`+- 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/24lc64t-i-datasheet.pdf) (24 pp, sha256 `8658d00f1910f179`, 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/24lc64t-i-datasheet.pdf)

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