component
CD4028BE
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# CD4028BE++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · DIP-16++CD4028BE from Texas Instruments, in a DIP-16. 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 | 4 | output | Buffered decoded output 4, goes high when the BCD input code equals 4. |+| 2 | 2 | output | Buffered decoded output 2, goes high when the BCD input code equals 2. |+| 3 | 0 | output | Buffered decoded output 0, goes high when the BCD input code equals 0. |+| 4 | 7 | output | Buffered decoded output 7, goes high when the BCD input code equals 7. |+| 5 | 9 | output | Buffered decoded output 9, goes high when the BCD input code equals 9 (low in octal mode). |+| 6 | 5 | output | Buffered decoded output 5, goes high when the BCD input code equals 5. |+| 7 | 6 | output | Buffered decoded output 6, goes high when the BCD input code equals 6. |+| 8 | VSS | power_in | Ground supply terminal (VSS), 0 V reference for VDD of 3 V to 18 V. |+| 9 | 8 | output | Buffered decoded output 8, goes high when the BCD input code equals 8 (low in octal mode). |+| 10 | A | input | BCD input A (least significant bit), CMOS-protected input limited to -0.5 V to VDD+0.5 V. |+| 11 | D | input | BCD input D (most significant bit); D = 0 selects binary-to-octal decoding on A to C. |+| 12 | C | input | BCD input C, CMOS-protected input limited to -0.5 V to VDD+0.5 V. |+| 13 | B | input | BCD input B, CMOS-protected input limited to -0.5 V to VDD+0.5 V. |+| 14 | 1 | output | Buffered decoded output 1, goes high when the BCD input code equals 1. |+| 15 | 3 | output | Buffered decoded output 3, goes high when the BCD input code equals 3. |+| 16 | VDD | power_in | Positive supply voltage, recommended 3 V to 18 V, absolute maximum -0.5 V to +20 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | DIP-16 |+| Category | Logic |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `CD4028BE`+- Footprint: `Package_DIP:DIP-16_W7.62mm`+- 3D model: DIP-16 (KiCad packages3D, STEP)+- 3D model files: `cd4028be-etched.step` / `cd4028be-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd4028be.step` / `cd4028be.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/cd4028b) (19 pp, sha256 `79754cf344b09f29`, retrieved 2026-10-08, tier: lcsc)+- **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/cd4028be-datasheet.pdf)
page.jsonadded+248@@ -0,0 +1,248 @@+{+ "slug": "cd4028be",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "cd4028be",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cd4028be.kicad_sym",+ "cd4028be.kicad_mod",+ "cd4028be.glb",+ "cd4028be.step",+ "cd4028be.lbr",+ "docs/hero.png",+ "docs/cd4028be-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "cd4028be-hero.glb",+ "cd4028be-hero.overlay.json"+ ],+ "component": {+ "mpn": "CD4028BE",+ "manufacturer": "Texas Instruments",+ "package": "DIP-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches, Multiplexers, Decoders",+ "datasheet": "https://www.ti.com/cn/lit/gpn/cd4028b",+ "parts": {+ "symbol": "cd4028be.kicad_sym",+ "footprint": "cd4028be.kicad_mod",+ "model_3d": "cd4028be-hero.glb",+ "model_3d_plain": "cd4028be.glb",+ "model_3d_step": "cd4028be-etched.step",+ "model_3d_step_plain": "cd4028be.step",+ "lbr": "cd4028be.lbr"+ },+ "distributor_links": {+ "lcsc": "C5222",+ "digikey": "296-2045-5-ND",+ "mouser": "595-CD4028BE"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T01:53:56Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-2045-5-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-CD4028BE",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "4",+ "type": "output",+ "description": "Buffered decoded output 4, goes high when the BCD input code equals 4."+ },+ {+ "number": "2",+ "name": "2",+ "type": "output",+ "description": "Buffered decoded output 2, goes high when the BCD input code equals 2."+ },+ {+ "number": "3",+ "name": "0",+ "type": "output",+ "description": "Buffered decoded output 0, goes high when the BCD input code equals 0."+ },+ {+ "number": "4",+ "name": "7",+ "type": "output",+ "description": "Buffered decoded output 7, goes high when the BCD input code equals 7."+ },+ {+ "number": "5",+ "name": "9",+ "type": "output",+ "description": "Buffered decoded output 9, goes high when the BCD input code equals 9 (low in octal mode)."+ },+ {+ "number": "6",+ "name": "5",+ "type": "output",+ "description": "Buffered decoded output 5, goes high when the BCD input code equals 5."+ },+ {+ "number": "7",+ "name": "6",+ "type": "output",+ "description": "Buffered decoded output 6, goes high when the BCD input code equals 6."+ },+ {+ "number": "8",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground supply terminal (VSS), 0 V reference for VDD of 3 V to 18 V."+ },+ {+ "number": "9",+ "name": "8",+ "type": "output",+ "description": "Buffered decoded output 8, goes high when the BCD input code equals 8 (low in octal mode)."+ },+ {+ "number": "10",+ "name": "A",+ "type": "input",+ "description": "BCD input A (least significant bit), CMOS-protected input limited to -0.5 V to VDD+0.5 V."+ },+ {+ "number": "11",+ "name": "D",+ "type": "input",+ "description": "BCD input D (most significant bit); D = 0 selects binary-to-octal decoding on A to C."+ },+ {+ "number": "12",+ "name": "C",+ "type": "input",+ "description": "BCD input C, CMOS-protected input limited to -0.5 V to VDD+0.5 V."+ },+ {+ "number": "13",+ "name": "B",+ "type": "input",+ "description": "BCD input B, CMOS-protected input limited to -0.5 V to VDD+0.5 V."+ },+ {+ "number": "14",+ "name": "1",+ "type": "output",+ "description": "Buffered decoded output 1, goes high when the BCD input code equals 1."+ },+ {+ "number": "15",+ "name": "3",+ "type": "output",+ "description": "Buffered decoded output 3, goes high when the BCD input code equals 3."+ },+ {+ "number": "16",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply voltage, recommended 3 V to 18 V, absolute maximum -0.5 V to +20 V."+ }+ ],+ "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": [+ "extractor flagged: Pinout was read from the small top-view terminal diagram on page 1 (scanned image). It matches the l",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 19,+ "cost_usd": 0.3142,+ "at": "2026-10-08T01:53:37"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/cd4028b",+ "pages": 19,+ "sha256": "79754cf344b09f29",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "cd4028be.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "body on z = 0, through-hole leads below",+ "extents_mm": [+ 7.874,+ 19.177,+ 6.98+ ],+ "zmin_mm": -3.3,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "cd4028be-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "body on z = 0, through-hole leads below",+ "extents_mm": [+ 7.874,+ 19.177,+ 6.98+ ],+ "zmin_mm": -3.3,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c413e1d5befe0d77bad5f7cbdad44453da5860bf7460b393568e5223303e38a2",+ "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]"+ }+}