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CY74FCT244DTSOCT
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Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# CY74FCT244DTSOCT++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SOIC-20-300mil++CY74FCT244DTSOCT from Texas Instruments, in a SOIC-20-300mil. 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 | OEA | input | Active-low output enable for channel A; output drivers are disabled and in high-impedance state when this pin is held high. |+| 2 | DA0 | input | Data input bit 0 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 3 | OB0 | tri_state | Data output bit 0 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 4 | DA1 | input | Data input bit 1 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 5 | OB1 | tri_state | Data output bit 1 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 6 | DA2 | input | Data input bit 2 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 7 | OB2 | tri_state | Data output bit 2 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 8 | DA3 | input | Data input bit 3 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 9 | OB3 | tri_state | Data output bit 3 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 10 | GND | power_in | Circuit ground reference; connection point to negative power supply. |+| 11 | DB3 | input | Data input bit 3 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 12 | OA3 | tri_state | Data output bit 3 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 13 | DB2 | input | Data input bit 2 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 14 | OA2 | tri_state | Data output bit 2 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 15 | DB1 | input | Data input bit 1 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 16 | OA1 | tri_state | Data output bit 1 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 17 | DB0 | input | Data input bit 0 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V. |+| 18 | OA0 | tri_state | Data output bit 0 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA. |+| 19 | OEB | input | Active-low output enable for channel B; output drivers are disabled and in high-impedance state when this pin is held high. |+| 20 | VCC | power_in | Positive supply voltage input; operating range 4.75V to 5.25V for the 0-70°C temperature grade variant. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-20-300mil |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `CY74FCT244DTSOCT`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)+- 3D model files: `cy74fct244dtsoct-etched.step` / `cy74fct244dtsoct-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cy74fct244dtsoct.step` / `cy74fct244dtsoct.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/cy74fct244t) (24 pp, sha256 `0371a514e0948724`, retrieved 2026-09-30, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/cy74fct244dtsoct-datasheet.pdf)
page.jsonadded+228@@ -0,0 +1,228 @@+{+ "slug": "cy74fct244dtsoct",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "cy74fct244dtsoct",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cy74fct244dtsoct.kicad_sym",+ "cy74fct244dtsoct.kicad_mod",+ "cy74fct244dtsoct.glb",+ "cy74fct244dtsoct.step",+ "cy74fct244dtsoct.lbr",+ "docs/hero.png",+ "docs/cy74fct244dtsoct-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CY74FCT244DTSOCT",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-20-300mil",+ "pin_count": 20,+ "category": "Logic",+ "subcategory": "Buffers, Drivers, Receivers, Transceivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/cy74fct244t",+ "parts": {+ "symbol": "cy74fct244dtsoct.kicad_sym",+ "footprint": "cy74fct244dtsoct.kicad_mod",+ "model_3d": "cy74fct244dtsoct-etched.glb",+ "model_3d_plain": "cy74fct244dtsoct.glb",+ "model_3d_step": "cy74fct244dtsoct-etched.step",+ "model_3d_step_plain": "cy74fct244dtsoct.step",+ "lbr": "cy74fct244dtsoct.lbr"+ },+ "distributor_links": {+ "lcsc": "C2864640",+ "digikey": "296-CY74FCT244DTSOTR-ND",+ "mouser": "595-CY74FCT244DTSOCT"+ },+ "distributor_check": {+ "checked_at": "2026-09-30T01:53:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-CY74FCT244DTSOTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-CY74FCT244DTSOCT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OEA",+ "type": "input",+ "description": "Active-low output enable for channel A; output drivers are disabled and in high-impedance state when this pin is held high."+ },+ {+ "number": "2",+ "name": "DA0",+ "type": "input",+ "description": "Data input bit 0 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "3",+ "name": "OB0",+ "type": "tri_state",+ "description": "Data output bit 0 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "4",+ "name": "DA1",+ "type": "input",+ "description": "Data input bit 1 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "5",+ "name": "OB1",+ "type": "tri_state",+ "description": "Data output bit 1 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "6",+ "name": "DA2",+ "type": "input",+ "description": "Data input bit 2 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "7",+ "name": "OB2",+ "type": "tri_state",+ "description": "Data output bit 2 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "8",+ "name": "DA3",+ "type": "input",+ "description": "Data input bit 3 for channel A; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "9",+ "name": "OB3",+ "type": "tri_state",+ "description": "Data output bit 3 for channel B; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground reference; connection point to negative power supply."+ },+ {+ "number": "11",+ "name": "DB3",+ "type": "input",+ "description": "Data input bit 3 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "12",+ "name": "OA3",+ "type": "tri_state",+ "description": "Data output bit 3 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "13",+ "name": "DB2",+ "type": "input",+ "description": "Data input bit 2 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "14",+ "name": "OA2",+ "type": "tri_state",+ "description": "Data output bit 2 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "15",+ "name": "DB1",+ "type": "input",+ "description": "Data input bit 1 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "16",+ "name": "OA1",+ "type": "tri_state",+ "description": "Data output bit 1 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "17",+ "name": "DB0",+ "type": "input",+ "description": "Data input bit 0 for channel B; TTL-compatible input levels with minimum high threshold VIH = 2V and maximum low threshold VIL = 0.8V."+ },+ {+ "number": "18",+ "name": "OA0",+ "type": "tri_state",+ "description": "Data output bit 0 for channel A; 3-state output with VOH minimum 2.4V and VOL maximum 0.55V, can source 32mA or sink 64mA."+ },+ {+ "number": "19",+ "name": "OEB",+ "type": "input",+ "description": "Active-low output enable for channel B; output drivers are disabled and in high-impedance state when this pin is held high."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage input; operating range 4.75V to 5.25V for the 0-70°C temperature grade variant."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 24,+ "cost_usd": 0.2233,+ "at": "2026-09-30T01:53:12"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/cy74fct244t",+ "pages": 24,+ "sha256": "0371a514e0948724",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}