RS2105XTDC10

@@ -0,0 +1,52 @@+# RS2105XTDC10++**Jiangsu RUNIC Tech** · Analog Switches, Multiplexers · TDFN-10-EP(3x3)++RS2105XTDC10 from Jiangsu RUNIC Tech, in a TDFN-10-EP(3x3). 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 | V+ | power_in | Positive power supply input. Operating range 1.8 V to 5.5 V (absolute max 7.0 V referenced to GND). Quiescent supply current typ <1 µA. |+| 2 | NO1 | passive | Normally-Open analog terminal of switch 1. Connected to COM1 when IN1 = logic high. Signal range 0 V to V+, continuous current ±500 mA, peak ±800 mA. |+| 3 | COM1 | passive | Common terminal of switch 1. Routes to NO1 when IN1 = 1, or to NC1 when IN1 = 0. On-resistance 0.6 Ω typ at V+ = 5 V. |+| 4 | IN1 | input | Digital control input for switch 1 (TTL/CMOS compatible). VIH ≥ 1.5 V (V+ = 5 V) or ≥ 1.3 V (V+ = 3.3 V); VIL ≤ 0.6 V / 0.5 V respectively. Unused inputs must be tied to V+ or GND. |+| 5 | NC1 | passive | Normally-Closed analog terminal of switch 1. Connected to COM1 when IN1 = logic low. Signal range 0 V to V+. |+| 6 | GND | power_in | Ground reference for supply and digital control logic. |+| 7 | NC2 | passive | Normally-Closed analog terminal of switch 2. Connected to COM2 when IN2 = logic low. Signal range 0 V to V+. |+| 8 | IN2 | input | Digital control input for switch 2 (TTL/CMOS compatible). Same thresholds as IN1. Unused inputs must be tied to V+ or GND. |+| 9 | COM2 | passive | Common terminal of switch 2. Routes to NO2 when IN2 = 1, or to NC2 when IN2 = 0. On-resistance 0.6 Ω typ at V+ = 5 V. |+| 10 | NO2 | passive | Normally-Open analog terminal of switch 2. Connected to COM2 when IN2 = logic high. Signal range 0 V to V+. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | TDFN-10-EP(3x3) |+| Category | Interface |+| Pins | 10 |++## Ordering variants++Same part, different packaging or reel option.++- `RS2105XTDC10`+- `RS2105XTDC10XN`++## CAD (KiCad official)++- Symbol: `RS2105XTDC10`+- Footprint: `Package_DFN_QFN:DFN-10-1EP_3x3mm_P0.5mm_EP1.55x2.48mm`+- 3D model: TDFN-10-EP(3x3) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Jiangsu RUNIC Tech datasheet](docs/rs2105xtdc10-datasheet.pdf) (11 pp, sha256 `1092b42796c3258d`, retrieved 2026-08-17, tier: lcsc)+- **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/rs2105xtdc10-datasheet.pdf)

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