component
74LVC1G126QW5-7
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Diodes Incorporated Buffers, Drivers, Receivers, Transceivers, SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Symbol & Footprint
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PCB Footprint
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Datasheet
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Contents
README
markdown74LVC1G126QW5-7
Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · SOT-25
74LVC1G126QW5-7 from Diodes Incorporated, in a SOT-25. 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 is active HIGH, and when OE is held LOW the output Y enters the high-impedance (Z) state; the device operates from VCC 1.65 V to 5.5 V. |
| 2 | A | input | Data input whose inputs are tolerant to 5.5 V, with VI specified from 0 V to 5.5 V, and unused inputs should be held at VCC or ground. |
| 3 | GND | power_in | Ground reference pin for the device. |
| 4 | Y | tri_state | Data output that is high-impedance when OE is LOW, with rated continuous output current of ±50 mA and IOH/IOL up to -32 mA/32 mA at VCC = 4.5 V. |
| 5 | VCC | power_in | Supply voltage with recommended operating range of 1.65 V to 5.5 V and absolute maximum range of -0.5 V to 6.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-25 |
| Category | Logic |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage | VCC | 1.65 | 5.5 | V | Operating | 3 | |
| Data Retention Voltage | VCC | 1.5 | V | Data Retention Only | 3 | ||
| High-Level Input Voltage | VIH | 1.7 | V | VCC = 2.3V to 2.7V | 3 | ||
| High-Level Input Voltage | VIH | 2 | V | VCC = 3V to 3.6V | 3 | ||
| Low-Level Input Voltage | VIL | 0.7 | V | VCC = 2.3V to 2.7V | 3 | ||
| Low-Level Input Voltage | VIL | 0.8 | V | VCC = 3V to 3.6V | 3 | ||
| Input Voltage | VI | 0 | 5.5 | V | 3 | ||
| Output Voltage | VO | 0 | V | 3 | |||
| High-Level Output Current | IOH | -4 | mA | VCC = 1.65V | 3 | ||
| High-Level Output Current | IOH | -8 | mA | VCC = 2.3V | 3 | ||
| High-Level Output Current | IOH | -12 | mA | VCC = 2.7V | 3 | ||
| High-Level Output Current | IOH | -16 | mA | VCC = 3V | 3 | ||
| High-Level Output Current | IOH | -32 | mA | VCC = 4.5V | 3 | ||
| Low-Level Output Current | IOL | 4 | mA | VCC = 1.65V | 3 | ||
| Low-Level Output Current | IOL | 8 | mA | VCC = 2.3V | 3 | ||
| Low-Level Output Current | IOL | 12 | mA | VCC = 2.7V | 3 | ||
| Low-Level Output Current | IOL | 16 | mA | VCC = 3V | 3 | ||
| Low-Level Output Current | IOL | 32 | mA | VCC = 4.5V | 3 | ||
| Input Transition Rise or Fall Rate | Δt/ΔV | 20 | ns/V | VCC = 1.8V ± 0.15V, 2.5V ± 0.2V | 3 | ||
| Input Transition Rise or Fall Rate | Δt/ΔV | 10 | ns/V | VCC = 3.3V ± 0.3V | 3 | ||
| Input Transition Rise or Fall Rate | Δt/ΔV | 5 | ns/V | VCC = 5V ± 0.5V | 3 | ||
| Operating Free-Air Temperature | TA | -40 | 125 | °C | 3 | ||
| Supply Voltage Range | VCC | -0.5 | 6.5 | V | 2 | ||
| Input Voltage Range | VI | -0.5 | 6.5 | V | 2 | ||
| Voltage Applied to Output in High Impedance or IOFF State | VO | -0.5 | 6.5 | V | High impedance or IOFF state | 2 | |
| Voltage Applied to Output in High or Low State | VO | -0.5 | V | High or low state; printed max VCC + 0.5 | 2 | ||
| Input Clamp Current | IIK | -50 | mA | VI < 0 | 2 | ||
| Output Clamp Current | IOK | -50 | mA | 2 | |||
| Continuous Output Current | IO | -50 | 50 | mA | 2 | ||
| Continuous Current Through VCC or GND | ICC, IGN | -100 | 100 | mA | 2 | ||
| Operating Junction Temperature | TJ | -40 | 150 | °C | 2 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 2 | ||
| Thermal Resistance Junction-to-Ambient (SOT25) | θJA | 184 | °C/W | Note 7: FR-4 PCB, 2oz copper, minimum recommended pad layout | 4 | ||
| Thermal Resistance Junction-to-Case (SOT25) | θJC | 62 | °C/W | Note 7: FR-4 PCB, 2oz copper, minimum recommended pad layout | 4 | ||
| High Level Output Voltage | VOH | 0.95 | V | VI = VIH or VIL; IOH = -4mA; VCC 1.65V | 4 | ||
| High Level Output Voltage | VOH | 1.7 | V | VI = VIH or VIL; IOH = -8mA; VCC 2.3V | 4 | ||
| High Level Output Voltage | VOH | 1.9 | V | VI = VIH or VIL; IOH = -12mA; VCC 2.7V | 4 | ||
| High Level Output Voltage | VOH | 2 | V | VI = VIH or VIL; IOH = -24mA; VCC 3V | 4 | ||
| High Level Output Voltage | VOH | 3.4 | V | VI = VIH or VIL; IOH = -32mA; VCC 4.5V | 4 | ||
| Low Level Output Voltage | VOL | 0.1 | V | VI = VIH or VIL; IOL = 100μA; VCC 1.65V to 5.5V | 4 | ||
| Low Level Output Voltage | VOL | 0.7 | V | VI = VIH or VIL; IOL = 4mA; VCC 1.65V | 4 | ||
| Low Level Output Voltage | VOL | 0.45 | V | VI = VIH or VIL; IOL = 8mA; VCC 2.3V | 4 | ||
| Low Level Output Voltage | VOL | 0.6 | V | VI = VIH or VIL; IOL = 12mA; VCC 2.7V | 4 | ||
| Low Level Output Voltage | VOL | 0.8 | V | VI = VIH or VIL; IOL = 24mA; VCC 3V | 4 | ||
| Input Current | II | -1 | 1 | μA | VI = 5.5V or GND; VCC 0 to 5.5V | 4 | |
| Power Down Leakage Current | IOFF | -2 | 2 | μA | VI or VO = 5.5V; VCC 0V | 4 | |
| Z-State Leakage Current | IOZ | -2 | 2 | μA | VO = Ground to 5.5V; VCC 3.6V | 4 | |
| Supply Current | ICC | 0.1 | 4 | μA | VI = 5.5V or GND; IO = 0; VCC 5.5V | 4 | |
| Additional Supply Current | ΔICC | 500 | μA | One input at VCC, 0.6V; other inputs at VCC or GND; VCC 3V to 5.5V | 4 | ||
| Propagation Delay A to Y | tPD | 1 | 3 | 10.5 | ns | VCC = 1.8V ± 0.15V | 5 |
| Propagation Delay A to Y | tPD | 0.5 | 2.1 | 7 | ns | VCC = 2.5V ± 0.2V | 5 |
| Propagation Delay A to Y | tPD | 0.5 | 2.3 | 7 | ns | VCC = 2.7V | 5 |
| Propagation Delay A to Y | tPD | 0.5 | 2 | 6 | ns | VCC = 3.3V ± 0.3V | 5 |
| Propagation Delay A to Y | tPD | 0.5 | 1.7 | 5.5 | ns | VCC = 5.0V ± 0.5V | 5 |
| Enable Time OE to Y | tEN | 1 | 3.2 | 12 | ns | VCC = 1.8V ± 0.15V | 5 |
| Enable Time OE to Y | tEN | 0.5 | 2.2 | 8.5 | ns | VCC = 2.5V ± 0.2V | 5 |
| Enable Time OE to Y | tEN | 0.5 | 2.4 | 8.5 | ns | VCC = 2.7V | 5 |
| Enable Time OE to Y | tEN | 0.5 | 2.1 | 7 | ns | VCC = 3.3V ± 0.3V | 5 |
| Enable Time OE to Y | tEN | 0.5 | 1.6 | 6.5 | ns | VCC = 5.0V ± 0.5V | 5 |
| Disable Time OE to Y | tDIS | 1 | 4.3 | 12 | ns | VCC = 1.8V ± 0.15V | 5 |
| Disable Time OE to Y | tDIS | 0.5 | 2.7 | 7 | ns | VCC = 2.5V ± 0.2V | 5 |
| Disable Time OE to Y | tDIS | 0.5 | 3.4 | 7 | ns | VCC = 2.7V | 5 |
| Disable Time OE to Y | tDIS | 0.5 | 3 | 7 | ns | VCC = 3.3V ± 0.3V | 5 |
| Disable Time OE to Y | tDIS | 0.5 | 2.2 | 5.5 | ns | VCC = 5.0V ± 0.5V | 5 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | • Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 • Weight: 0.0158 grams (Approximate) | 9 |
CAD (KiCad official)
- Symbol:
74LVC1G126QW5-7 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-25 (KiCad packages3D, STEP)
- 3D model files:
74lvc1g126qw5-7-etched.step/74lvc1g126qw5-7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lvc1g126qw5-7.step/74lvc1g126qw5-7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (10 pp, sha256
82f1cfb58d131602, retrieved 2026-10-18, tier: lcsc) - 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).