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FSW3820YQFN32G
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Full Way Analog Switches, Multiplexers, QFN-32L-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+71@@ -0,0 +1,71 @@+# FSW3820YQFN32G++**Full Way** · Analog Switches, Multiplexers · QFN-32L-EP(4x4)++FSW3820YQFN32G from Full Way, in a QFN-32L-EP(4x4). 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 | D0+ | bidirectional | Positive differential signal 0 for COM port. |+| 2 | D0- | bidirectional | Negative differential signal 0 for COM port. |+| 3 | D1+ | bidirectional | Positive differential signal 1 for COM port. |+| 4 | D1- | bidirectional | Negative differential signal 1 for COM port. |+| 5 | SEL | input | Channel select pin. Low routes COM to Port A, High routes COM to Port B. Internal 2 MΩ pull-down. VIH ≥ 1.6 V, VIL ≤ 0.4 V. |+| 6 | _EN | input | Active-low enable. When High, all channels are Hi-Z (shutdown, ~1 µA). Internal 2 MΩ pull-up. |+| 7 | D2+ | bidirectional | Positive differential signal 2 for COM port. |+| 8 | D2- | bidirectional | Negative differential signal 2 for COM port. |+| 9 | NC | unconnected | Not connected. |+| 10 | D3+ | bidirectional | Positive differential signal 3 for COM port. |+| 11 | D3- | bidirectional | Negative differential signal 3 for COM port. |+| 12 | NC | unconnected | Not connected. |+| 13 | NC | unconnected | Not connected. |+| 14 | GND | power_in | Power ground return. |+| 15 | VCC | power_in | Positive supply voltage. Operating range 1.8 V to 4.5 V. Quiescent current ~28 µA (max); power-down ~1 µA. |+| 16 | NC | unconnected | Not connected. |+| 17 | D3-B | bidirectional | Negative differential signal 3 for Port B. |+| 18 | D3+B | bidirectional | Positive differential signal 3 for Port B. |+| 19 | D2-B | bidirectional | Negative differential signal 2 for Port B. |+| 20 | D2+B | bidirectional | Positive differential signal 2 for Port B. |+| 21 | D1-B | bidirectional | Negative differential signal 1 for Port B. |+| 22 | D1+B | bidirectional | Positive differential signal 1 for Port B. |+| 23 | D0-B | bidirectional | Negative differential signal 0 for Port B. |+| 24 | D0+B | bidirectional | Positive differential signal 0 for Port B. |+| 25 | D3-A | bidirectional | Negative differential signal 3 for Port A. |+| 26 | D3+A | bidirectional | Positive differential signal 3 for Port A. |+| 27 | D2-A | bidirectional | Negative differential signal 2 for Port A. |+| 28 | D2+A | bidirectional | Positive differential signal 2 for Port A. |+| 29 | D1-A | bidirectional | Negative differential signal 1 for Port A. |+| 30 | D1+A | bidirectional | Positive differential signal 1 for Port A. |+| 31 | D0-A | bidirectional | Negative differential signal 0 for Port A. |+| 32 | D0+A | bidirectional | Positive differential signal 0 for Port A. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Full Way |+| Package | QFN-32L-EP(4x4) |+| Category | Interface |+| Pins | 32 |++## Ordering variants++- `FSW3820YQFN32G/TR`++## CAD (KiCad official)++- Symbol: `FSW3820YQFN32G`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm`+- 3D model: QFN-32L-EP(4x4) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Full Way datasheet](docs/fsw3820yqfn32g-datasheet.pdf) (10 pp, sha256 `994988cdf5c79c49`, 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/fsw3820yqfn32g-datasheet.pdf)
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