SN74LVC1G139DCUR

@@ -0,0 +1,52 @@+# SN74LVC1G139DCUR++**Texas Instruments** · Signal Switches / Encoders & Decoders / Multiplexers · VSSOP-8-0.5mm++SN74LVC1G139DCUR from Texas Instruments, in a VSSOP-8-0.5mm. 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 | A | input | Address input, bit 0. CMOS-level select input; VIH from 0.65*VCC (at 1.65-1.95 V) up to 2 V (at 3-3.6 V). Input voltage tolerant to 5.5 V regardless of VCC. |+| 2 | B | input | Address input, bit 1. CMOS-level select input; VIH from 0.65*VCC (at 1.65-1.95 V) up to 2 V (at 3-3.6 V). Input voltage tolerant to 5.5 V regardless of VCC. |+| 3 | Y3 | output | Decoder output 3; asserted low when B is high and A is high. Push-pull CMOS output rated for ±24 mA drive at 3.3 V. |+| 4 | GND | power_in | Ground reference (0 V). |+| 5 | Y2 | output | Decoder output 2; asserted low when B is high and A is low. Push-pull CMOS output rated for ±24 mA drive at 3.3 V. |+| 6 | Y1 | output | Decoder output 1; asserted low when B is low and A is high. Push-pull CMOS output rated for ±24 mA drive at 3.3 V. |+| 7 | Y0 | output | Decoder output 0; asserted low when B is low and A is low. Push-pull CMOS output rated for ±24 mA drive at 3.3 V. |+| 8 | VCC | power_in | Supply voltage. Operating range 1.65 V to 5.5 V; data retention down to 1.5 V. Decouple with a 0.1 µF ceramic to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8-0.5mm |+| Category | Logic |+| Pins | 8 |++## Ordering variants++- `SN74LVC1G139DCURDCUR`+- `SN74LVC1G139DCURDCU`+- `SN74LVC1G139DCURDCT`+- `SN74LVC1G139DCURDCTR`+- `SN74LVC1G139DCURYZP`+- `SN74LVC1G139DCURYZPR`++## CAD (KiCad official)++- Symbol: `SN74LVC1G139DCUR`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8-0.5mm (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/sn74lvc1g139dcur.pdf) (25 pp, sha256 `e27e598d1d356ab2`, 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/sn74lvc1g139dcur-datasheet.pdf)

@@ -0,0 +1,34 @@+{+  "slug": "sn74lvc1g139dcur",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, VSSOP-8-0.5mm. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "logic",+    "sn74lvc1g139dcur"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "sn74lvc1g139dcur.kicad_sym",+    "sn74lvc1g139dcur.kicad_mod",+    "sn74lvc1g139dcur.glb",+    "sn74lvc1g139dcur.step",+    "sn74lvc1g139dcur.lbr",+    "docs/hero.png",+    "docs/sn74lvc1g139dcur-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "visibility": "public",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file