component
SN74LV21APWR
Public Made by Adomby adom
Texas Instruments Logic Gates, TSSOP-14. 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
markdownSN74LV21APWR
Texas Instruments · Logic Gates · TSSOP-14
SN74LV21APWR from Texas Instruments, in a TSSOP-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 | 1A input to first 4-input AND gate |
| 2 | 1B | input | 1B input to first 4-input AND gate |
| 3 | NC | unconnected | Not internally connected |
| 4 | 1C | input | 1C input to first 4-input AND gate |
| 5 | 1D | input | 1D input to first 4-input AND gate |
| 6 | 1Y | output | 1Y output from first 4-input AND gate |
| 7 | GND | power_in | Ground |
| 8 | 2Y | output | 2Y output from second 4-input AND gate |
| 9 | 2A | input | 2A input to second 4-input AND gate |
| 10 | 2B | input | 2B input to second 4-input AND gate |
| 11 | NC | unconnected | Not internally connected |
| 12 | 2C | input | 2C input to second 4-input AND gate |
| 13 | 2D | input | 2D input to second 4-input AND gate |
| 14 | VCC | power_in | Power supply (2V to 5.5V) |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Logic |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SN74LV21APWR - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
sn74lv21apwr-etched.step/sn74lv21apwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lv21apwr.step/sn74lv21apwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (25 pp, sha256
6cf9dce71cfece45, retrieved 2026-09-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).