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Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

Nexperia USA Inc. 74LVC14ABQ-Q100X

Name: 74LVC14ABQ-Q100X
Brand: Nexperia USA Inc.
SKU: 74LVC14ABQ-Q100X
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74LVC14ABQ-Q100X

Manufacturer:: Nexperia USA Inc.

Category:: Gates and Inverters

Package:: 14-VFQFN Exposed Pad

Datasheet:: 74LVC14ABQ-Q100X.pdf

Description:: IC INVERTER 6CH 1-INP 14DHVQFN

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Product details

Overview

74LVC14ABQ-Q100 from Nexperia is an automotive-grade hex inverting Schmitt trigger IC with 5 V tolerant inputs, operating from 1.2 V to 3.6 V supply, qualified to AEC-Q100 Grade 1 (−40 °C to +125 °C), and housed in a DHVQFN14 package with side-wettable flanks. It enables level translation between 3.3 V and 5 V logic domains in noisy automotive signal conditioning circuits.

For engineers reviewing the 74LVC14ABQ-Q100 datasheet, 74LVC14ABQ-Q100 pinout, 74LVC14ABQ-Q100 application, or 74LVC14ABQ-Q100 equivalent, key selection criteria include Schmitt-trigger hysteresis (0.3–1.2 V), propagation delay (1.0–8.0 ns), 5.5 V absolute max input voltage, and automotive temperature compliance - critical for robust waveform shaping and oscillator design.

Technical Context

This device integrates six independent inverting Schmitt triggers, each with asymmetric positive- and negative-going input thresholds (e.g., VT+ = 1.2–2.0 V, VT− = 0.3–1.5 V at VCC = 3.6 V), delivering 0.3–1.2 V hysteresis to reject noise on slow or distorted signals. Its CMOS architecture ensures low static current (≤40 μA) and TTL-compatible output drive (±24 mA).

The DHVQFN14 package supports AOI-solder joint inspection and thermal enhancement, while 5 V tolerant inputs eliminate external level-shifting components when interfacing with legacy 5 V microcontrollers or sensors in mixed-voltage automotive ECUs.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	1.2 V to 3.6 V - Enables operation across battery-supplied automotive rails including deep-sleep and wake-up states.
Input Voltage Max	5.5 V - Allows direct connection to 5 V logic without clamping diodes or resistors.
Operating Temperature	−40 °C to +125 °C - Qualified per AEC-Q100 Grade 1 for under-hood and powertrain applications.
Propagation Delay	1.0–8.0 ns - Supports high-speed waveform reshaping up to ~100 MHz edge rates in clock clean-up paths.
Hysteresis Voltage	0.3–1.2 V - Provides noise immunity against >300 mV of superimposed interference on input signals.
Output Drive	±24 mA - Sufficient to drive 50 pF loads directly or interface with multiple downstream CMOS/TTL inputs.
Static Supply Current	≤40 μA - Minimizes quiescent power in always-on vehicle modules like body control units.

Pinout & Package

DHVQFN14 (SOT762-1) package: 2.5 × 3.0 × 0.85 mm body, no leads, 14 terminals, side-wettable flanks for automated optical inspection. Exposed thermal pad (GND-connected recommended) enhances thermal performance in compact automotive PCB layouts.

Pin/Terminal	Circuit Role	Design Meaning
1A, 2A, 3A, 4A, 5A, 6A	Input (6 channels)	5 V tolerant Schmitt-trigger inputs accepting slow-rising/falling edges without metastability.
1Y, 2Y, 3Y, 4Y, 5Y, 6Y	Output (6 channels)	Inverted, rail-to-rail CMOS outputs with ±24 mA drive capability and fast edge rates.
7	GND	Ground reference for all I/O and internal circuitry; connects to exposed thermal pad for thermal relief.
14	VCC	Primary supply pin; decoupling capacitor required within 3 mm for stable switching performance.

Key Features

Feature	Design Value
AEC-Q100 Grade 1 qualification	Validated for automotive use from −40 °C to +125 °C ambient, supporting engine control and ADAS subsystems.
5 V tolerant inputs	Accepts 0–5.5 V input voltages while powered from 1.2–3.6 V, enabling seamless 3.3 V ↔ 5 V domain bridging.
Schmitt-trigger hysteresis	0.3–1.2 V window rejects noise spikes and stabilizes marginal logic transitions in EMI-prone environments.
Side-wettable flanks	Enables automated optical inspection (AOI) of solder joints on bottom-terminated QFN, improving manufacturing yield.
Low dynamic power	CPD = 15.6 pF at 3.3 V enables <100 μW/MHz dynamic dissipation in clock buffer and oscillator applications.

Applications

Waveform Shaping

Astable Multivibrator

Use Scenario: Cleaning noisy analog sensor outputs (e.g., crankshaft position, throttle potentiometer) before ADC sampling or microcontroller input.

IC Role / Device Role / Timing Role: Inverting Schmitt trigger converts slow, jittery analog waveforms into clean digital square waves with defined timing edges.

Use Value: Hysteresis eliminates false triggering from EMI-induced glitches, ensuring deterministic timing for engine timing calculations.

Use Scenario: Generating fixed-frequency clock signals in infotainment system power management or LED backlight drivers.

IC Role / Device Role / Timing Role: One gate configured as relaxation oscillator with external RC network provides self-timed oscillation without crystal.

Use Value: Eliminates need for external oscillator IC; frequency set by R/C values (e.g., 10 kΩ + 100 nF ≈ 1 kHz) with ±10% stability over temperature.

Monostable Multivibrator

Noise-Immune Switch Debouncing

Use Scenario: Creating precise pulse-width-limited wake-up signals for CAN transceivers or LIN bus nodes upon ignition key detection.

IC Role / Device Role / Timing Role: Triggered one-shot using two gates and RC network generates fixed-duration enable pulses from mechanical switch events.

Use Value: Pulse width determined by RC time constant (e.g., 47 kΩ × 100 nF = 4.7 ms), immune to contact bounce duration variations.

Use Scenario: Debouncing push-button inputs in dashboard control panels or door module switches exposed to vibration and ESD.

IC Role / Device Role / Timing Role: Schmitt input filters rapid mechanical transients; inverter output delivers clean, bounce-free logic-level signals.

Use Value: Input hysteresis absorbs >300 mV of contact noise; propagation delay <8 ns ensures sub-microsecond response to valid actuation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar hex inverting Schmitt trigger applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC14APWR	Industrial grade (−40 °C to +125 °C), same logic function and pinout, but not AEC-Q100 qualified.	Lacks automotive qualification; unsuitable for safety-critical or under-hood deployment.	Select only for non-automotive industrial or consumer designs where AEC-Q100 is not mandated.
74LVCH14A-Q100	Includes bus-hold circuitry on inputs; otherwise identical Schmitt thresholds and timing.	Bus-hold eliminates need for external pull-ups on unused inputs, reducing BOM count in partial-utilization designs.	Prefer when input floating states must be avoided without discrete resistors, especially in low-pin-count ECUs.

Compared with SN74LVC14APWR, the 74LVC14ABQ-Q100 adds AEC-Q100 qualification and side-wettable flanks for automotive traceability; versus 74LVCH14A-Q100, it omits bus-hold but offers lower input leakage (<±20 μA) and tighter hysteresis control for precision thresholding.

Availability

74LVC14ABQ-Q100 is available at Aetrix Electronics and suitable for automotive body electronics, powertrain signal conditioning, and ADAS sensor interface modules requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for 74LVC14ABQ-Q100 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, discrete, and MOSFET solutions, with leadership in automotive-qualified components and advanced packaging.

The 74LVC14A-Q100 belongs to Nexperia's automotive logic family, designed specifically for noise-immune signal conditioning in harsh-temperature automotive subsystems such as engine control, lighting, and comfort electronics.

FAQ

Is the 74LVC14ABQ-Q100 pin-compatible with standard SO14 or TSSOP14 versions of the same device?

Yes - the 74LVC14ABQ-Q100 shares identical logic functionality and pin assignment (1A–6A, 1Y–6Y, GND, VCC) with 74LVC14AD-Q100 (SO14) and 74LVC14APW-Q100 (TSSOP14). However, the DHVQFN14 footprint differs physically; PCB layout must accommodate 2.5 × 3.0 mm body and side-wettable flanks.

Can the 74LVC14ABQ-Q100 operate reliably at 1.2 V supply while maintaining full 5 V input tolerance?

Yes - per Table 5, VI(max) = 5.5 V is guaranteed across the full recommended VCC range (1.2 V to 3.6 V). Input protection circuitry remains functional at minimum supply, enabling ultra-low-power wake-up circuits that accept 5 V sensor alerts while the host MCU sleeps at 1.2 V.

What is the role of the exposed thermal pad on the DHVQFN14 package?

The exposed pad (terminal 7 is GND; pad is electrically isolated but thermally coupled) serves as a primary heat path. Nexperia recommends connecting it to a large GND copper pour via ≥4 thermal vias (0.3 mm diameter) to maintain junction temperature ≤125 °C at 50 mW dissipation in still air.

Does the 74LVC14ABQ-Q100 require external pull-up or pull-down resistors on unused inputs?

No - unused inputs may be left floating due to built-in input protection and Schmitt-trigger structure, but best practice is to tie them to VCC or GND. Unlike bus-hold variants (e.g., 74LVCH14A-Q100), this part lacks active bus-hold, so intentional termination avoids leakage-induced state uncertainty.

74LVC14ABQ-Q100X Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74LVC

Package/Case:: 14-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Inverter

Number of Circuits:: 6

Number of Inputs:: 1

Features:: Schmitt Trigger

Voltage - Supply:: 1.2V ~ 3.6V

Current - Quiescent (Max):: 40 µA

Current - Output High, Low:: 24mA, 24mA

Input Logic Level - Low:: 0.12V ~ 0.8V

Input Logic Level - High:: 1V ~ 2V

Max Propagation Delay @ V, Max CL:: 6.4ns @ 3.3V, 50pF

Operating Temperature:: -40°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 14-DHVQFN (2.5x3)

74LVC14ABQ-Q100X FAQ

1.How can I place an order for 74LVC14ABQ-Q100X through Aetrix?

Please submit a Request for Quotation (RFQ) for 74LVC14ABQ-Q100X on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 74LVC14ABQ-Q100X reliable?

The price and inventory of 74LVC14ABQ-Q100X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVC14ABQ-Q100X is usually 5 days.

3.What payment methods are accepted for 74LVC14ABQ-Q100X?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVC14ABQ-Q100X transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74LVC14ABQ-Q100X?

74LVC14ABQ-Q100X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74LVC14ABQ-Q100X order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 74LVC14ABQ-Q100X?

For technical support, including 74LVC14ABQ-Q100X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVC14ABQ-Q100X requirements.

6.How does Aetrix verify that 74LVC14ABQ-Q100X is sourced from the original manufacturer or authorized distributors?

All 74LVC14ABQ-Q100X products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74LVC14ABQ-Q100X meets industry standards.

7.What is the process for return or replacement of 74LVC14ABQ-Q100X?

All 74LVC14ABQ-Q100X units undergo pre-shipment inspection (PSI). If there is an issue with 74LVC14ABQ-Q100X, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 74LVC14ABQ-Q100X part is unused and in its original packaging.

Return procedure for 74LVC14ABQ-Q100X:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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