SN74LVC2G66DCUR

@@ -0,0 +1,52 @@+# SN74LVC2G66DCUR++**Texas Instruments** · Analog Switches, Multiplexers · VSSOP-8-0.5mm++SN74LVC2G66DCUR from Texas Instruments, in a VSSOP-8-0.5mm. 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 | 1A | bidirectional | Switch 1 bidirectional analog/digital signal terminal A. Signals up to 5.5 V peak can be passed between 1A and 1B when switch 1 is enabled (1C = H). Rail-to-rail input/output. |+| 2 | 1B | bidirectional | Switch 1 bidirectional analog/digital signal terminal B. Signals up to 5.5 V peak can be passed between 1A and 1B when switch 1 is enabled (1C = H). |+| 3 | 1C | input | Switch 1 enable control input. L = switch OFF (1A/1B isolated); H = switch ON (1A/1B connected). Referenced to VCC; VIH ≈ VCC × 0.7 at VCC ≥ 2.3 V. |+| 4 | GND | power_in | Ground reference for the device. |+| 5 | 2A | bidirectional | Switch 2 bidirectional analog/digital signal terminal A. Signals up to 5.5 V peak can be passed between 2A and 2B when switch 2 is enabled (2C = H). |+| 6 | 2B | bidirectional | Switch 2 bidirectional analog/digital signal terminal B. Signals up to 5.5 V peak can be passed between 2A and 2B when switch 2 is enabled (2C = H). |+| 7 | 2C | input | Switch 2 enable control input. L = switch OFF (2A/2B isolated); H = switch ON (2A/2B connected). |+| 8 | VCC | power_in | Positive supply input, 1.65 V to 5.5 V. Bypass locally with a 0.1 µF ceramic capacitor to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8-0.5mm |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `SN74LVC2G66DCURDCU`+- `SN74LVC2G66DCURDCUR`+- `SN74LVC2G66DCURDCT`+- `SN74LVC2G66DCURDCTR`+- `SN74LVC2G66DCURYZP`+- `SN74LVC2G66DCURYZPR`++## CAD (KiCad official)++- Symbol: `SN74LVC2G66DCUR`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8-0.5mm (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/sn74lvc2g66dcur.pdf) (29 pp, sha256 `dd5515827c66a656`, 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/sn74lvc2g66dcur-datasheet.pdf)

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