component
SN74HC74DBR
Public Made by Adomby adom
Texas Instruments Flip Flops, SSOP-14-208mil. 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
markdownSN74HC74DBR
Texas Instruments · Flip Flops · SSOP-14-208mil
SN74HC74DBR from Texas Instruments, in a SSOP-14-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1CLR̄ | input | Channel 1 asynchronous clear input, active low |
| 2 | 1D | input | Channel 1 data input |
| 3 | 1CLK | input | Channel 1 positive edge-triggered clock input |
| 4 | 1PRĒ | input | Channel 1 asynchronous preset input, active low |
| 5 | 1Q | output | Channel 1 direct output |
| 6 | 1Q̄ | output | Channel 1 inverted output |
| 7 | GND | power_in | Ground |
| 8 | 2Q̄ | output | Channel 2 inverted output |
| 9 | 2Q | output | Channel 2 direct output |
| 10 | 2PRĒ | input | Channel 2 asynchronous preset input, active low |
| 11 | 2CLK | input | Channel 2 positive edge-triggered clock input |
| 12 | 2D | input | Channel 2 data input |
| 13 | 2CLR̄ | input | Channel 2 asynchronous clear input, active low |
| 14 | VCC | power_out | Positive supply voltage |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-14-208mil |
| Category | Logic |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SN74HC74DBR - Footprint:
Package_SO:SSOP-14_5.3x6.2mm_P0.65mm - 3D model: SSOP-14-208mil (KiCad packages3D, STEP)
- 3D model files:
sn74hc74dbr-etched.step/sn74hc74dbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74hc74dbr.step/sn74hc74dbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (41 pp, sha256
06b9cce64d4d9f7d, retrieved 2026-09-23, 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 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).