component
74LVC1G126DBVRG4
Public Made by Adomby adom
Texas Instruments Buffer/Driver/Transceiver, SOT-23-5. 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
markdown74LVC1G126DBVRG4
Texas Instruments · Buffer/Driver/Transceiver · SOT-23-5
74LVC1G126DBVRG4 from Texas Instruments, in a SOT-23-5. 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 | OE | input | Output enable input: when OE is low the Y output is disabled (high impedance), and when OE is high the A input flows to Y. Tie OE to GND to hold Y in high impedance during power-up and power-down. |
| 2 | A | input | Data input, specified for 0 V to 5.5 V regardless of VCC; unused inputs must be tied to VCC or GND and must not be left floating. |
| 3 | GND | power_in | Ground pin; the continuous current through GND is limited to ±100 mA together with VCC. |
| 4 | Y | tri_state | Three-state push-pull output rated at -24 mA IOH and 24 mA IOL at VCC = 3 V, with continuous output current limited to ±50 mA; do not tie it directly to VCC or GND, and unused outputs may be left open. |
| 5 | VCC | power_in | Supply pin with a recommended operating range of 1.65 V to 5.5 V and an absolute maximum of 6.5 V; a 0.1 µF bypass capacitor to GND is recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-5 |
| Category | Logic ICs |
| Pins | 5 |
CAD (KiCad official)
- Symbol:
74LVC1G126DBVRG4 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
74lvc1g126dbvrg4-etched.step/74lvc1g126dbvrg4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lvc1g126dbvrg4.step/74lvc1g126dbvrg4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (49 pp, sha256
6a7a6156ff122d7e, retrieved 2026-10-08, 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-5-5(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).