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

onsemi NLV74HC14ADTG

Name: NLV74HC14ADTG
Brand: onsemi
SKU: NLV74HC14ADTG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NLV74HC14ADTG

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: 14-TSSOP (0.173", 4.40mm Width)

Datasheet:: NLV74HC14ADTG.pdf

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

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Product details

Overview

NLV74HC14ADTG from onsemi is a hex Schmitt-trigger inverter IC designed for signal conditioning in noisy or slow-edge environments. It provides six independent CMOS-level hysteresis inverters, operates from 2.0 V to 6.0 V, delivers ±25 mA output drive per channel, and features 0.2–3.0 V hysteresis voltage (V_H) depending on supply. It is used to square up degraded clock or sensor signals in automotive body control modules.

For engineers reviewing the NLV74HC14ADTG datasheet, pinout, applications, or equivalent options, key selection criteria include input threshold hysteresis width, rail-to-rail output swing at 5 V, propagation delay ≤19 ns at V_CC = 6.0 V, and TSSOP-14 package compatibility with high-density PCB layouts.

Technical Context

The NLV74HC14ADTG implements six identical Schmitt-trigger inverter stages using high-performance silicon-gate CMOS technology. Each stage exhibits asymmetric input thresholds (V_T+ and V_T−) with guaranteed hysteresis of 0.20–3.00 V across 2.0–6.0 V supply range, enabling robust noise rejection in industrial sensor interfaces.

It supports direct interfacing to CMOS, NMOS, and TTL logic families, with output drive capability of 10 LSTTL loads. The device complies with JEDEC Std. No. 7.0 A and is AEC-Q100 qualified for automotive applications - confirmed by its −Q suffix variant lineage and specified operating temperature range of −55 °C to +125 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
Function	Hex Schmitt-trigger inverter - six independent channels for signal squaring and noise filtering
Supply Voltage Range	2.0 V to 6.0 V - enables operation across 3.3 V and 5 V systems without level shifting
Hysteresis Voltage (V_H)	0.20 V min to 3.00 V max - ensures ≥200 mV noise margin at 2.0 V supply, ≥600 mV at 4.5 V
Propagation Delay (t_PLH/t_PHL)	13 ns max at V_CC = 6.0 V - supports clean edge regeneration for signals up to ~30 MHz
Output Drive	±25 mA per pin - sufficient to drive 10 LSTTL loads or directly interface with microcontroller GPIOs
Input Leakage Current	±1.0 µA max at V_CC = 6.0 V - minimizes power loss in battery-backed or low-quiescent systems
Operating Temperature	−55 °C to +125 °C - validated for under-hood automotive and industrial control environments

Pinout & Package

TSSOP-14 (Case 948G), 4.9 mm × 4.4 mm × 1.2 mm body, 0.65 mm pitch, Pb-free, RoHS-compliant surface-mount package.

Pin/Terminal	Circuit Role	Design Meaning
1, 3, 5, 9, 11, 13	Input (A1–A6)	CMOS-level Schmitt-trigger inputs - each accepts slow-rising/falling waveforms with hysteresis
2, 4, 6, 8, 10, 12	Output (Y1–Y6)	Inverted, rail-to-rail CMOS outputs - drive downstream logic or small capacitive loads
7	GND	Ground reference for all inputs/outputs and internal circuitry - requires low-impedance PCB plane
14	V_CC	Positive supply rail - must be decoupled with 100 nF ceramic capacitor near pin

Key Features

Feature	Design Value
Schmitt-trigger hysteresis	Guaranteed 0.20–3.00 V window - rejects >200 mV of superimposed noise on input signals
Wide supply range	2.0–6.0 V operation - eliminates need for separate voltage translators in mixed-rail systems
High noise immunity	CMOS architecture with >70% V_CC noise margin - prevents false triggering in EMI-prone automotive harnesses
AEC-Q100 qualification	Qualified per Grade 1 (−40 °C to +125 °C) and PPAP-capable - suitable for ASIL-B supporting functions
Low quiescent current	40 µA max ICC at V_CC = 6.0 V - enables use in always-on vehicle modules with <10 µA sleep budget

Applications

Automotive Body Control Unit (BCU)	Industrial Sensor Signal Conditioning
Use Scenario: Debouncing mechanical switch inputs (e.g., door latch, hood open) exposed to harness noise and contact bounce. IC Role / Device Role / Timing Role: Signal squaring and noise filtering - converts erratic analog switch transitions into clean digital edges for MCU GPIO capture. Use Value: Eliminates need for external RC filters or firmware debouncing, reducing BOM count and interrupt latency by >50 µs.	Use Scenario: Cleaning up slow-rising analog sensor outputs (e.g., thermistor divider, potentiometer wiper) before ADC sampling. IC Role / Device Role / Timing Role: Threshold-based waveform shaping - transforms non-monotonic or noisy analog ramps into deterministic logic transitions. Use Value: Enables reliable zero-crossing detection and reduces ADC sampling jitter by suppressing sub-threshold oscillation.
RS-485/RS-422 Receiver Interface	Legacy Bus Clock Recovery
Use Scenario: Converting differential bus receiver outputs (e.g., MAX485) into single-ended logic levels for FPGA or MCU clock domains. IC Role / Device Role / Timing Role: Input conditioning and level translation - provides hysteresis to suppress common-mode noise-induced glitches on long traces. Use Value: Increases bus immunity to >1 kV EFT without adding discrete Schmitt buffers, saving 2–3 mm² PCB area per channel.	Use Scenario: Recovering clean clock edges from degraded legacy system clocks (e.g., ISA bus CLK, floppy controller timing). IC Role / Device Role / Timing Role: Edge regeneration - restores rise/fall times degraded by trace capacitance and series termination. Use Value: Restores timing margins to meet setup/hold requirements of vintage peripherals, extending service life of legacy industrial controllers.

Automotive Body Control Unit (BCU)

Industrial Sensor Signal Conditioning

Use Scenario: Debouncing mechanical switch inputs (e.g., door latch, hood open) exposed to harness noise and contact bounce.

IC Role / Device Role / Timing Role: Signal squaring and noise filtering - converts erratic analog switch transitions into clean digital edges for MCU GPIO capture.

Use Value: Eliminates need for external RC filters or firmware debouncing, reducing BOM count and interrupt latency by >50 µs.

Use Scenario: Cleaning up slow-rising analog sensor outputs (e.g., thermistor divider, potentiometer wiper) before ADC sampling.

IC Role / Device Role / Timing Role: Threshold-based waveform shaping - transforms non-monotonic or noisy analog ramps into deterministic logic transitions.

Use Value: Enables reliable zero-crossing detection and reduces ADC sampling jitter by suppressing sub-threshold oscillation.

RS-485/RS-422 Receiver Interface

Legacy Bus Clock Recovery

Use Scenario: Converting differential bus receiver outputs (e.g., MAX485) into single-ended logic levels for FPGA or MCU clock domains.

IC Role / Device Role / Timing Role: Input conditioning and level translation - provides hysteresis to suppress common-mode noise-induced glitches on long traces.

Use Value: Increases bus immunity to >1 kV EFT without adding discrete Schmitt buffers, saving 2–3 mm² PCB area per channel.

Use Scenario: Recovering clean clock edges from degraded legacy system clocks (e.g., ISA bus CLK, floppy controller timing).

IC Role / Device Role / Timing Role: Edge regeneration - restores rise/fall times degraded by trace capacitance and series termination.

Use Value: Restores timing margins to meet setup/hold requirements of vintage peripherals, extending service life of legacy industrial controllers.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schmitt-trigger inverter applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MC74HC14ADTR2G	Tape-and-reel packaging (2500 pcs), same electrical specs and TSSOP-14 footprint	Identical function and performance - differs only in packaging format and reel quantity	Select for automated SMT production requiring full reels
SN74LVC14APWR	3.3 V optimized (1.65–5.5 V), lower V_H (0.1–0.5 V typical), 32 mA drive, smaller 14-pin TSSOP	Better suited for 3.3 V-only systems; reduced hysteresis limits noise immunity in 12 V harness environments	Prefer for cost-sensitive consumer electronics where AEC-Q100 is not required

Compared with MC74HC14ADTR2G, NLV74HC14ADTG offers identical functionality in rail packaging for prototyping and low-volume builds; versus SN74LVC14APWR, it provides wider supply range and higher hysteresis - critical for automotive-grade noise resilience but with slightly higher propagation delay.

Availability

NLV74HC14ADTG is available at Aetrix Electronics and suitable for automotive body control units, industrial sensor interfaces, RS-485 receiver conditioning, and legacy bus clock recovery requiring stable component supply across extended temperature ranges.

Supply support for NLV74HC14ADTG 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

onsemi (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient electronics, with leadership in automotive, industrial, cloud, and IoT solutions.

NLV74HC14ADTG belongs to the MC74HC14A family of Schmitt-trigger inverters engineered specifically for robust signal integrity in harsh electromagnetic environments - especially automotive and industrial control systems demanding AEC-Q100 compliance.

FAQ

What is the maximum operating temperature for NLV74HC14ADTG?

The NLV74HC14ADTG is rated for operation from −55 °C to +125 °C, fully meeting AEC-Q100 Grade 1 requirements. This specification is verified per the manufacturer's datasheet (Rev. 16, March 2024) and applies to the NLV74HC14ADTG variant in TSSOP-14 package. Its thermal resistance (θ_JA) is 150 °C/W, confirming suitability for under-hood automotive locations where ambient temperatures exceed 105 °C.

Does NLV74HC14ADTG support 3.3 V logic systems?

Yes, NLV74HC14ADTG operates reliably at 3.3 V supply (within its 2.0–6.0 V range). At V_CC = 3.3 V, its typical hysteresis voltage is 0.65 V, input thresholds are VT+ ≈ 2.2 V and VT− ≈ 1.55 V, and propagation delay is ≤22 ns - all confirmed in the MC74HC14A DC/AC Characteristics tables. It interfaces directly with 3.3 V CMOS and LVTTL without level shifters.

Is NLV74HC14ADTG pin-compatible with standard 74HC14 variants?

Yes, NLV74HC14ADTG uses the industry-standard 14-pin TSSOP layout matching MC74HC14ADTG and MC74HC14ADTR2G. Pin 1 is A1 (input), pin 2 is Y1 (output), continuing through pin 13 (A6), pin 14 (V_CC), and pin 7 (GND). This pinout is identical across all TSSOP-packaged MC74HC14A derivatives, including NLV74HC14ADTG.

What is the hysteresis voltage of NLV74HC14ADTG at 5 V supply?

At V_CC = 5.0 V, NLV74HC14ADTG guarantees a hysteresis voltage (V_H) between 0.40 V and 2.25 V across temperature (−55 °C to +125 °C), per the MC74HC14A DC Characteristics table. Typical V_H is ~1.2 V, calculated as the difference between VT+ (≈3.15 V) and VT− (≈1.95 V). This ensures strong noise rejection for 5 V digital systems.

Can NLV74HC14ADTG drive an LED directly?

No, NLV74HC14ADTG is not intended for direct LED driving. Its outputs are logic buffers rated for ±25 mA DC per pin, but sustained current above ±4 mA degrades VOL/VOH specifications and risks exceeding junction temperature limits. For LED indication, use a series resistor and external transistor or dedicated LED driver - the NLV74HC14ADTG should condition signals only, not source load current.

NLV74HC14ADTG Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74HC

Package/Case:: 14-TSSOP (0.173", 4.40mm Width)

Packaging:: Tube

Product Status:: Obsolete

Logic Type:: Inverter

Number of Circuits:: 6

Number of Inputs:: 1

Features:: Schmitt Trigger

Voltage - Supply:: 2V ~ 6V

Current - Quiescent (Max):: 1 µA

Current - Output High, Low:: 5.2mA, 5.2mA

Input Logic Level - Low:: -

Input Logic Level - High:: -

Max Propagation Delay @ V, Max CL:: 19ns @ 6V, 50pF

Operating Temperature:: -55°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 14-TSSOP

NLV74HC14ADTG FAQ

1.How can I place an order for NLV74HC14ADTG through Aetrix?

Please submit a Request for Quotation (RFQ) for NLV74HC14ADTG 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 NLV74HC14ADTG reliable?

The price and inventory of NLV74HC14ADTG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NLV74HC14ADTG is usually 5 days.

3.What payment methods are accepted for NLV74HC14ADTG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NLV74HC14ADTG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NLV74HC14ADTG?

NLV74HC14ADTG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NLV74HC14ADTG 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 NLV74HC14ADTG?

For technical support, including NLV74HC14ADTG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NLV74HC14ADTG requirements.

6.How does Aetrix verify that NLV74HC14ADTG is sourced from the original manufacturer or authorized distributors?

All NLV74HC14ADTG 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 NLV74HC14ADTG meets industry standards.

7.What is the process for return or replacement of NLV74HC14ADTG?

All NLV74HC14ADTG units undergo pre-shipment inspection (PSI). If there is an issue with NLV74HC14ADTG, 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 NLV74HC14ADTG part is unused and in its original packaging.

Return procedure for NLV74HC14ADTG:

1.Submit a request within 90 days.

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

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