SN74LVC1G240DCKR

@@ -0,0 +1,50 @@+# SN74LVC1G240DCKR++**Texas Instruments** · Buffer/Driver/Transceiver · SC-70-5++SN74LVC1G240DCKR from Texas Instruments, in a SC-70-5. 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 | OE | input | Active-low Output Enable. When OE is low, the inverter drives Y from A; when OE is high, Y goes to a high-impedance state. Should be tied to VCC through a pull-up (or driven) to retain high-Z during power up/down. |+| 2 | A | input | Logic input A. CMOS input accepts voltages up to 5.5V regardless of VCC (allows down-translation). VIH/VIL thresholds scale with VCC per the recommended operating conditions. |+| 3 | GND | power_in | Ground / 0V reference for the device. |+| 4 | Y | tri_state | Inverting 3-state output. Y = NOT(A) when OE is low, and high-impedance when OE is high. Rated ±24mA drive at 3.3V VCC (±32mA at 4.5V). |+| 5 | VCC | power_in | Positive supply. Operating range 1.65V to 5.5V (1.5V data retention only). Bypass with a 0.1µF ceramic near the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-5 |+| Category | Logic |+| Pins | 5 |++## Ordering variants++- `SN74LVC1G240DCKRDCKR`+- `SN74LVC1G240DCKRDCKT`+- `SN74LVC1G240DCKRDBVR`+- `SN74LVC1G240DCKRDBVT`+- `SN74LVC1G240DCKRYZPR`+- `SN74LVC1G240DCKRDRYR`+- `SN74LVC1G240DCKRDSFR`++## CAD (KiCad official)++- Symbol: `SN74LVC1G240DCKR`+- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`+- 3D model: SC-70-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74lvc1g240.pdf) (42 pp, sha256 `44c6414940caef3c`, 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/sn74lvc1g240dckr-datasheet.pdf)

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