component
SN74S140N
Public Made by Adomby adom
Texas Instruments Gates, PDIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSN74S140N
Texas Instruments · Gates · PDIP-14
SN74S140N from Texas Instruments, in a PDIP-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 | 1A | input | Input A of driver 1 (4-input positive-NAND, Y = ABCD inverted); input voltage max 5.5 V. |
| 2 | 1B | input | Input B of driver 1; input voltage max 5.5 V. |
| 3 | NC | unconnected | No internal connection. |
| 4 | 1C | input | Input C of driver 1; input voltage max 5.5 V. |
| 5 | 1D | input | Input D of driver 1; input voltage max 5.5 V. |
| 6 | 1Y | output | Output of driver 1, a 50-ohm line driver output performing the NAND function of 1A-1D. |
| 7 | GND | power_in | Ground; network ground terminal to which voltage values are referenced. |
| 8 | 2Y | output | Output of driver 2, a 50-ohm line driver output performing the NAND function of 2A-2D. |
| 9 | 2A | input | Input A of driver 2; input voltage max 5.5 V. |
| 10 | 2B | input | Input B of driver 2; input voltage max 5.5 V. |
| 11 | NC | unconnected | No internal connection. |
| 12 | 2C | input | Input C of driver 2; input voltage max 5.5 V. |
| 13 | 2D | input | Input D of driver 2; input voltage max 5.5 V. |
| 14 | VCC | power_in | Supply voltage; absolute maximum 7 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | PDIP-14 |
| Category | Logic ICs |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SN74S140N - Footprint:
Package_DIP:DIP-14_W7.62mm - 3D model: PDIP-14 (KiCad packages3D, STEP)
- 3D model files:
sn74s140n-etched.step/sn74s140n-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74s140n.step/sn74s140n.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (17 pp, sha256
f4fe3225ad1aeb3e, retrieved 2026-10-28, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).