component
SN74ACT574DW
Public Made by Adomby adom
Texas Instruments Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74ACT574DW
Texas Instruments · Flip Flops · SOIC-20-300mil
SN74ACT574DW 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 | OE | input | Output enable for all channels, active low |
| 2 | D1 | input | Input for channel 1 |
| 3 | D2 | input | Input for channel 2 |
| 4 | D3 | input | Input for channel 3 |
| 5 | D4 | input | Input for channel 4 |
| 6 | D5 | input | Input for channel 5 |
| 7 | D6 | input | Input for channel 6 |
| 8 | D7 | input | Input for channel 7 |
| 9 | D8 | input | Input for channel 8 |
| 10 | GND | power_in | Ground |
| 11 | CLK | input | Clock input for all channels, rising edge triggered |
| 12 | Q8 | tri_state | Output for channel 8 |
| 13 | Q7 | tri_state | Output for channel 7 |
| 14 | Q6 | tri_state | Output for channel 6 |
| 15 | Q5 | tri_state | Output for channel 5 |
| 16 | Q4 | tri_state | Output for channel 4 |
| 17 | Q3 | tri_state | Output for channel 3 |
| 18 | Q2 | tri_state | Output for channel 2 |
| 19 | Q1 | tri_state | Output for channel 1 |
| 20 | VCC | power_in | Postive supply |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-20-300mil |
| Category | Logic |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
SN74ACT574DW - Footprint:
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm - 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
- 3D model files:
sn74act574dw-etched.step/sn74act574dw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74act574dw.step/sn74act574dw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (28 pp, sha256
f4488ac989275328, retrieved 2026-10-06, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).