component
SN74HC125N
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, DIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownSN74HC125N
Texas Instruments · Buffers, Drivers, Receivers, Transceivers · DIP-14
SN74HC125N from Texas Instruments, in a DIP-14. 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 | 1OE | input | Channel 1 output enable input, active low. |
| 2 | 1A | input | Channel 1 input A. |
| 3 | 1Y | tri_state | Channel 1 output Y, three-state output. |
| 4 | 2OE | input | Channel 2 output enable input, active low. |
| 5 | 2A | input | Channel 2 input A. |
| 6 | 2Y | tri_state | Channel 2 output Y, three-state output. |
| 7 | GND | power_in | Ground. |
| 8 | 3Y | tri_state | Channel 3 output Y, three-state output. |
| 9 | 3A | input | Channel 3 input A. |
| 10 | 3OE | input | Channel 3 output enable input, active low. |
| 11 | 4Y | tri_state | Channel 4 output Y, three-state output. |
| 12 | 4A | input | Channel 4 input A. |
| 13 | 4OE | input | Channel 4 output enable input, active low. |
| 14 | VCC | power_in | Positive supply voltage. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | DIP-14 |
| Category | Logic |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SN74HC125N - Footprint:
Package_DIP:DIP-14_W7.62mm - 3D model: DIP-14 (KiCad packages3D, STEP)
- 3D model files:
sn74hc125n-etched.step/sn74hc125n-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74hc125n.step/sn74hc125n.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (37 pp, sha256
64c660a6d8611b92, retrieved 2026-10-01, 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).