GT4227MA

@@ -0,0 +1,50 @@+# GT4227MA++**GTIC** · Analog Switches, Multiplexers · MSOP-10++GT4227MA from GTIC, in a MSOP-10. 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. Operating range 1.8 V to 5.5 V; absolute max 6 V. Bypass with a local decoupling capacitor to GND. |+| 2 | S | input | Channel select input (digital). S=0 selects HSD1± to D±; S=1 selects HSD2± to D± (when /OE=0). VIH ≥ 1.7 V, VIL ≤ 0.5 V at 3.3 V. Do not float; must be held at V+ or GND. |+| 3 | D+ | bidirectional | Common data port (positive). Bidirectional high-speed USB 2.0 differential line, switched to either HSD1+ or HSD2+ depending on S/OE. Rail-to-rail signal range (0 V to V+). |+| 4 | D- | bidirectional | Common data port (negative). Bidirectional high-speed USB 2.0 differential line, switched to either HSD1- or HSD2- depending on S/OE. Rail-to-rail signal range (0 V to V+). |+| 5 | GND | power_in | Ground reference (0 V) for the analog switch and digital control logic. |+| 6 | HSD1- | bidirectional | High-speed data port 1, negative line. Bidirectional USB 2.0 signal, connected to D- when S=0 and /OE=0. |+| 7 | HSD1+ | bidirectional | High-speed data port 1, positive line. Bidirectional USB 2.0 signal, connected to D+ when S=0 and /OE=0. |+| 8 | HSD2- | bidirectional | High-speed data port 2, negative line. Bidirectional USB 2.0 signal, connected to D- when S=1 and /OE=0. |+| 9 | HSD2+ | bidirectional | High-speed data port 2, positive line. Bidirectional USB 2.0 signal, connected to D+ when S=1 and /OE=0. |+| 10 | /OE | input | Active-low output enable (digital). /OE=0 enables the selected switch pair; /OE=1 disables both channels (all HSD paths OFF). VIH ≥ 1.7 V, VIL ≤ 0.5 V at 3.3 V. Do not float. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | GTIC |+| Package | MSOP-10 |+| Category | Interface |+| Pins | 10 |++## Ordering variants++- `GT4227MA`+- `GT4227MAQA`++## CAD (KiCad official)++- Symbol: `GT4227MA`+- Footprint: `Package_SO:MSOP-10_3x3mm_P0.5mm`+- 3D model: MSOP-10 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [GTIC datasheet](docs/gt4227ma-datasheet.pdf) (14 pp, sha256 `2a0efdcba57a0641`, 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/gt4227ma-datasheet.pdf)

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