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CY74FCT541CTSOCT
Public Made by Adomby adom
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 @@+# CY74FCT541CTSOCT++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SOIC-20-300mil++CY74FCT541CTSOCT 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 | Output Enable A input; active low to enable 3-state outputs |+| 2 | D0 | input | Data input 0 |+| 3 | D1 | input | Data input 1 |+| 4 | D2 | input | Data input 2 |+| 5 | D3 | input | Data input 3 |+| 6 | D4 | input | Data input 4 |+| 7 | D5 | input | Data input 5 |+| 8 | D6 | input | Data input 6 |+| 9 | D7 | input | Data input 7 |+| 10 | GND | power_in | Ground |+| 11 | O7 | tri_state | Data output 7; 3-state output with 64 mA sink, 32 mA source current capability |+| 12 | O6 | tri_state | Data output 6; 3-state output with 64 mA sink, 32 mA source current capability |+| 13 | O5 | tri_state | Data output 5; 3-state output with 64 mA sink, 32 mA source current capability |+| 14 | O4 | tri_state | Data output 4; 3-state output with 64 mA sink, 32 mA source current capability |+| 15 | O3 | tri_state | Data output 3; 3-state output with 64 mA sink, 32 mA source current capability |+| 16 | O2 | tri_state | Data output 2; 3-state output with 64 mA sink, 32 mA source current capability |+| 17 | O1 | tri_state | Data output 1; 3-state output with 64 mA sink, 32 mA source current capability |+| 18 | O0 | tri_state | Data output 0; 3-state output with 64 mA sink, 32 mA source current capability |+| 19 | OEB | input | Output Enable B input; active low to enable 3-state outputs |+| 20 | VCC | power_in | Positive power supply; 4.75 V to 5.25 V recommended |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-20-300mil |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `CY74FCT541CTSOCT`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)+- 3D model files: `cy74fct541ctsoct-etched.step` / `cy74fct541ctsoct-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cy74fct541ctsoct.step` / `cy74fct541ctsoct.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/cy74fct541t) (13 pp, sha256 `fa5ec40367224004`, retrieved 2026-10-03, 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/cy74fct541ctsoct-datasheet.pdf)
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