component
SN74HC682DWR
Public Made by Adomby adom
Texas Instruments Digital Comparators, SOIC-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# SN74HC682DWR++**Texas Instruments** · Digital Comparators · SOIC-20++SN74HC682DWR from Texas Instruments, in a SOIC-20. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | P>Q | output | Active-low output that is low only when word P is greater than word Q; high otherwise. |+| 2 | P0 | input | Bit 0 of data word P, compared with Q0; CMOS input held at VCC or GND when unused. |+| 3 | Q0 | input | Bit 0 of data word Q, compared with P0; has a 100-kΩ pullup resistor to VCC. |+| 4 | P1 | input | Bit 1 of data word P, compared with Q1; CMOS input held at VCC or GND when unused. |+| 5 | Q1 | input | Bit 1 of data word Q, compared with P1; has a 100-kΩ pullup resistor to VCC. |+| 6 | P2 | input | Bit 2 of data word P, compared with Q2; CMOS input held at VCC or GND when unused. |+| 7 | Q2 | input | Bit 2 of data word Q, compared with P2; has a 100-kΩ pullup resistor to VCC. |+| 8 | P3 | input | Bit 3 of data word P, compared with Q3; CMOS input held at VCC or GND when unused. |+| 9 | Q3 | input | Bit 3 of data word Q, compared with P3; has a 100-kΩ pullup resistor to VCC. |+| 10 | GND | power_in | Ground reference pin. |+| 11 | P4 | input | Bit 4 of data word P, compared with Q4; CMOS input held at VCC or GND when unused. |+| 12 | Q4 | input | Bit 4 of data word Q, compared with P4; has a 100-kΩ pullup resistor to VCC. |+| 13 | P5 | input | Bit 5 of data word P, compared with Q5; CMOS input held at VCC or GND when unused. |+| 14 | Q5 | input | Bit 5 of data word Q, compared with P5; has a 100-kΩ pullup resistor to VCC. |+| 15 | P6 | input | Bit 6 of data word P, compared with Q6; CMOS input held at VCC or GND when unused. |+| 16 | Q6 | input | Bit 6 of data word Q, compared with P6; has a 100-kΩ pullup resistor to VCC. |+| 17 | P7 | input | Bit 7 of data word P, compared with Q7; CMOS input held at VCC or GND when unused. |+| 18 | Q7 | input | Bit 7 of data word Q, compared with P7; has a 100-kΩ pullup resistor to VCC. |+| 19 | P=Q | output | Active-low output that is low only when word P equals word Q; high otherwise. |+| 20 | VCC | power_in | Supply voltage, 2 V to 6 V recommended; bypass with a 0.1-μF capacitor close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-20 |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74HC682DWR`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20 (KiCad packages3D, STEP)+- 3D model files: `sn74hc682dwr-etched.step` / `sn74hc682dwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hc682dwr.step` / `sn74hc682dwr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn74hc682) (19 pp, sha256 `8425fad178567f78`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn74hc682dwr-datasheet.pdf)
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high otherwise."+ },+ {+ "number": "2",+ "name": "P0",+ "type": "input",+ "description": "Bit 0 of data word P, compared with Q0; CMOS input held at VCC or GND when unused."+ },+ {+ "number": "3",+ "name": "Q0",+ "type": "input",+ "description": "Bit 0 of data word Q, compared with P0; has a 100-kΩ pullup resistor to VCC."+ },+ {+ "number": "4",+ "name": "P1",+ "type": "input",+ "description": "Bit 1 of data word P, compared with Q1; CMOS input held at VCC or GND when unused."+ },+ {+ "number": "5",+ "name": "Q1",+ "type": "input",+ "description": "Bit 1 of data word Q, compared with P1; has a 100-kΩ pullup resistor to VCC."+ },+ {+ "number": "6",+ "name": "P2",+ "type": "input",+ "description": "Bit 2 of data word P, compared with Q2; CMOS input held at VCC or GND when unused."+ },+ {+ "number": "7",+ "name": "Q2",+ "type": "input",+ "description": "Bit 2 of data word Q, compared with P2; has a 100-kΩ pullup resistor to VCC."+ },+ {+ "number": "8",+ "name": "P3",+ "type": "input",+ "description": "Bit 3 of data word P, compared with Q3; 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CMOS input held at VCC or GND when unused."+ },+ {+ "number": "16",+ "name": "Q6",+ "type": "input",+ "description": "Bit 6 of data word Q, compared with P6; has a 100-kΩ pullup resistor to VCC."+ },+ {+ "number": "17",+ "name": "P7",+ "type": "input",+ "description": "Bit 7 of data word P, compared with Q7; CMOS input held at VCC or GND when unused."+ },+ {+ "number": "18",+ "name": "Q7",+ "type": "input",+ "description": "Bit 7 of data word Q, compared with P7; has a 100-kΩ pullup resistor to VCC."+ },+ {+ "number": "19",+ "name": "P=Q",+ "type": "output",+ "description": "Active-low output that is low only when word P equals word Q; high otherwise."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage, 2 V to 6 V recommended; bypass with a 0.1-μF capacitor close to the pin."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 19,+ "cost_usd": 0.368,+ "at": "2026-10-08T16:18:01"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn74hc682",+ "pages": 19,+ "sha256": "8425fad178567f78",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 20,+ "described": 20,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "sn74hc682dwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 10.3,+ 12.8,+ 2.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74hc682dwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 10.3,+ 12.8,+ 2.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b38bd0d92411b62c5d42de4dc0749e5b0d054ad40fc2a00324f93bd31fda17e7",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}