TMUX1248DCKR

@@ -0,0 +1,45 @@+# TMUX1248DCKR++**Texas Instruments** · Analog Switches / Multiplexers · SC-70-6++TMUX1248DCKR from Texas Instruments, in a SC-70-6. 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 | S2 | bidirectional | Source pin 2 of the SPDT analog switch. Can be an input or output; signal path handles bidirectional analog/digital signals from GND to VDD (1.08 V to 5.5 V range). |+| 2 | GND | power_in | Ground (0 V) reference for the device. |+| 3 | S1 | bidirectional | Source pin 1 of the SPDT analog switch. Can be an input or output; signal path handles bidirectional analog/digital signals from GND to VDD. |+| 4 | D | bidirectional | Drain (common) pin of the SPDT analog switch. Connects to either S1 or S2 depending on the SEL state; can be an input or output. |+| 5 | VDD | power_in | Positive power supply, most positive rail of the device. Operating range 1.08 V to 5.5 V; connect a 0.1 µF to 10 µF decoupling capacitor between VDD and GND for reliable operation. |+| 6 | SEL | input | Digital select input controlling which source (S1 or S2) is connected to D per the truth table. 1.8 V logic compatible (VIH ≥ 1.42 V at VDD = 5 V) with fail-safe logic and 5.5 V overvoltage tolerance independent of VDD. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-6 |+| Category | Comm/UART |+| Pins | 6 |++## Ordering variants++- `TMUX1248DCKR`++## CAD (KiCad official)++- Symbol: `TMUX1248DCKR`+- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`+- 3D model: SC-70-6 (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/tmux1248.pdf) (31 pp, sha256 `da96b95383399b5a`, 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/tmux1248dckr-datasheet.pdf)

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