SN74LVC1G3157DCKR

@@ -0,0 +1,53 @@+# SN74LVC1G3157DCKR++**Texas Instruments** · Analog Switches, Multiplexers · SC-70-6(SOT-363)++SN74LVC1G3157DCKR from Texas Instruments, in a SC-70-6(SOT-363). 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 | B2 | bidirectional | Switch I/O terminal 2. Connected to common A when S is driven high. Bidirectional analog/digital signal path, 0 V to VCC signal range. |+| 2 | GND | power_in | Ground reference (0 V). |+| 3 | B1 | bidirectional | Switch I/O terminal 1. Connected to common A when S is driven low. Bidirectional analog/digital signal path, 0 V to VCC signal range. |+| 4 | A | bidirectional | Common terminal of the SPDT switch. Routes to B1 when S=0 and to B2 when S=1. Bidirectional analog/digital signal path. |+| 5 | VCC | power_in | Supply voltage input. DCK (SC70) package: 1.65 V to 5.5 V recommended (absolute max 6 V). Decouple locally to GND. |+| 6 | S | input | Select control input. S=low connects A to B1; S=high connects A to B2. CMOS input referenced to VCC (VIH ≈ 0.7·VCC to 0.75·VCC). Must not be left floating. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-6(SOT-363) |+| Category | Interface |+| Pins | 6 |++## Ordering variants++- `SN74LVC1G3157DCKRDCKR`+- `SN74LVC1G3157DCKRDCKT`+- `SN74LVC1G3157DCKRDBVR`+- `SN74LVC1G3157DCKRDBVT`+- `SN74LVC1G3157DCKRDRLR`+- `SN74LVC1G3157DCKRDRYR`+- `SN74LVC1G3157DCKRDSFR`+- `SN74LVC1G3157DCKRDTBR`+- `SN74LVC1G3157DCKRYZPR`++## CAD (KiCad official)++- Symbol: `SN74LVC1G3157DCKR`+- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`+- 3D model: SC-70-6(SOT-363) (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/sn74lvc1g3157.pdf) (56 pp, sha256 `2a39b0f597c54e20`, 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/sn74lvc1g3157dckr-datasheet.pdf)

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