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DG419DY-T1-E3
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Vishay Analog Switches, Multiplexers, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# DG419DY-T1-E3++**Vishay** · Analog Switches, Multiplexers · SOIC-8++DG419DY-T1-E3 from Vishay, in a SOIC-8. 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 | D | passive | Drain (common terminal). Analog I/O common to both SPDT throws (S1 and S2). Bidirectional analog path; blocks up to the supply rail when the corresponding switch is off. Signal range ±15 V (bipolar) or 0-12 V (unipolar). |+| 2 | S1 | passive | Source 1 (SPDT throw 1). Bidirectional analog terminal; connected to D when IN = logic 0 (SW1 ON). rDS(on) ≈ 20 Ω typical at V+/V- = ±15 V. |+| 3 | GND | power_in | Ground reference for the digital control input. Referenced to VL for logic thresholds (VIL ≤ 0.8 V, VIH ≥ 2.4 V). |+| 4 | V+ | power_in | Positive analog supply. Operating range up to +15 V for bipolar operation, or up to +12 V unipolar (with V- = 0 V). Absolute maximum V+ referenced to V- is 44 V. |+| 5 | VL | power_in | Logic supply. Sets the input switching threshold for the IN pin (typ. VL = 5 V for TTL/CMOS compatibility). Range (GND - 0.3) to (V+) + 0.3 V. |+| 6 | IN | input | Digital control input, TTL/CMOS compatible. Logic 0 (≤ 0.8 V): SW1 ON, SW2 OFF. Logic 1 (≥ 2.4 V): SW1 OFF, SW2 ON. Input current typ. 5 nA. |+| 7 | V- | power_in | Negative analog supply. Typically -15 V for bipolar operation; tie to GND for unipolar (single-supply) operation. Absolute maximum V+ - V- ≤ 44 V. |+| 8 | S2 | passive | Source 2 (SPDT throw 2). Bidirectional analog terminal; connected to D when IN = logic 1 (SW2 ON). Break-before-make guaranteed with S1 (tD ≈ 13 ns typ.). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Vishay |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `DG419DY-T1-E3DY`+- `DG419DY-T1-E3DY-E3`+- `DG419DY-T1-E3DY-T1`+- `DG419DY-T1-E3DY-T1-E3`+- `DG419DY-T1-E3DJ`+- `DG419DY-T1-E3DJ-E3`++## CAD (KiCad official)++- Symbol: `DG419DY-T1-E3`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Vishay datasheet](docs/dg419dy-t1-e3-datasheet.pdf) (11 pp, sha256 `32ddbc30ce7ed19a`, 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/dg419dy-t1-e3-datasheet.pdf)
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