component
SN74LS283D
Public Made by Adomby adom
Texas Instruments Specialty Logic, SOIC-16. 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
markdownSN74LS283D
Texas Instruments · Specialty Logic · SOIC-16
SN74LS283D from Texas Instruments, in a SOIC-16. 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 | Σ2 | output | Sum output for bit 2 of the 4-bit adder. |
| 2 | B2 | input | Addend input B for bit 2. |
| 3 | A2 | input | Addend input A for bit 2. |
| 4 | Σ1 | output | Sum output for bit 1 of the 4-bit adder. |
| 5 | A1 | input | Addend input A for bit 1. |
| 6 | B1 | input | Addend input B for bit 1. |
| 7 | C0 | input | Carry input to the least significant bit. |
| 8 | GND | power_in | Ground terminal, the network ground reference for all voltages. |
| 9 | C4 | output | Carry output from the fourth bit. |
| 10 | Σ4 | output | Sum output for bit 4 of the 4-bit adder. |
| 11 | B4 | input | Addend input B for bit 4. |
| 12 | A4 | input | Addend input A for bit 4. |
| 13 | Σ3 | output | Sum output for bit 3 of the 4-bit adder. |
| 14 | A3 | input | Addend input A for bit 3. |
| 15 | B3 | input | Addend input B for bit 3. |
| 16 | VCC | power_in | Supply voltage; absolute maximum rating is 7 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Logic |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SN74LS283D - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files:
sn74ls283d-etched.step/sn74ls283d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74ls283d.step/sn74ls283d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (12 pp, sha256
217d23c27795e496, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(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).