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

Nexperia USA Inc. 74AHCT3G14DP-Q100H

Name: 74AHCT3G14DP-Q100H
Brand: Nexperia USA Inc.
SKU: 74AHCT3G14DP-Q100H
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74AHCT3G14DP-Q100H

Manufacturer:: Nexperia USA Inc.

Category:: Gates and Inverters

Package:: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Datasheet:: 74AHCT3G14DP-Q100H.pdf

Description:: IC INVERT SCHMITT 3CH 3IN 8TSSOP

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Product details

Overview

74AHCT3G14DP-Q100 from Nexperia is a triple inverting Schmitt trigger IC qualified to AEC-Q100 Grade 1 for automotive use, operating from −40 °C to +125 °C with TTL-level inputs, 2.0–5.5 V supply range, and overvoltage-tolerant inputs up to 5.5 V. It delivers symmetrical output impedance, balanced propagation delays (≤9.0 ns at V_CC = 5.0 V, C_L = 50 pF), and high noise immunity-enabling reliable signal conditioning in engine control units and body electronics.

For engineers reviewing the 74AHCT3G14DP-Q100 datasheet, 74AHCT3G14DP-Q100 pinout, 74AHCT3G14DP-Q100 application, or 74AHCT3G14DP-Q100 equivalent, key selection criteria include Schmitt-trigger hysteresis (0.4–1.6 V), input threshold compatibility with legacy 5 V TTL logic, automotive temperature rating, TSSOP8 package footprint, and low dynamic power dissipation (C_PD = 12 pF).

Technical Context

This device implements three independent inverting Schmitt triggers in a single monolithic CMOS structure, each with defined positive-going (V_T+) and negative-going (V_T−) input thresholds-ensuring clean digital transitions from slow or noisy analog waveforms. Its TTL-compatible input levels (V_T+ = 2.0 V, V_T− = 0.6 V at V_CC = 5.5 V) allow direct interfacing with legacy 5 V logic families without level-shifting circuitry.

The architecture supports mixed-voltage translation via overvoltage-tolerant inputs (up to 5.5 V regardless of V_CC), while symmetrical output drive (±8 mA at V_CC = 4.5 V) ensures consistent rise/fall times and minimal duty-cycle distortion in oscillator or waveform-shaping applications.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	4.5 V to 5.5 V - Enables operation in standard 5 V automotive rails with 10% tolerance margin.
Input Thresholds (V_T+/V_T−)	2.0 V / 0.6 V at V_CC = 5.5 V - Matches TTL logic levels for seamless integration with legacy microcontrollers and sensors.
Hysteresis Voltage (V_H)	0.4 V to 1.6 V - Provides robust noise rejection (>400 mV typical) against EMI in under-hood environments.
Propagation Delay (t_pd)	≤9.0 ns at V_CC = 5.0 V, C_L = 50 pF - Supports >50 MHz clock shaping and pulse edge sharpening in real-time control loops.
Output Drive Strength	±8 mA at V_CC = 4.5 V - Sufficient to directly drive multiple 74-series inputs or small capacitive loads without buffering.
Power Dissipation Capacitance	C_PD = 12 pF - Enables accurate dynamic power estimation (P_D = C_PD × V_CC² × f_i) for thermal budgeting in dense PCB layouts.
ESD Protection	HBM >2000 V, CDM >1000 V - Meets stringent automotive board-level ESD requirements per ISO 10605.

Pinout & Package

TSSOP8 plastic thin shrink small outline package (SOT505-2); 8 leads; body width 3 mm; lead length 0.5 mm; pin 1 index located on lower-left corner below marking code 'C14'.

Pin/Terminal	Circuit Role	Design Meaning
1, 3, 6	Input (1A, 2A, 3A)	Three independent Schmitt-trigger inputs accepting TTL-level signals; overvoltage tolerant to 5.5 V.
2, 5, 7	Output (3Y, 1Y, 2Y)	Inverted, buffered outputs with symmetrical drive capability; compatible with 5 V CMOS and TTL loads.
4	GND	Ground reference for all internal circuitry and I/O; requires low-impedance connection to minimize noise coupling.
8	V_CC	Primary power supply input; decoupling capacitor (100 nF) recommended within 5 mm of this pin.

Key Features

Feature	Design Value
AEC-Q100 Grade 1 qualification	Validated for automotive use across −40 °C to +125 °C ambient, supporting engine bay and transmission control modules.
TTL-compatible input thresholds	V_T+ = 2.0 V, V_T− = 0.6 V at V_CC = 5.5 V - eliminates need for external level shifters when interfacing with 5 V microcontrollers.
Overvoltage-tolerant inputs	Withstand up to 5.5 V regardless of V_CC (2.0–5.5 V) - enables safe operation during power sequencing or bus contention events.
Symmetrical output impedance	Matched pull-up/pull-down strength ensures <10% duty-cycle distortion in relaxation oscillators and clock recovery circuits.
Low input leakage current	≤2.0 μA over full temperature range - preserves signal integrity in high-impedance sensor interface networks.

Applications

Engine Control Unit (ECU) Signal Conditioning

Body Control Module (BCM) Switch Debouncing

Use Scenario: Cleaning noisy crankshaft position sensor signals before feeding to MCU timer capture inputs.

IC Role / Device Role / Timing Role: Triple Schmitt trigger converts slow-rising analog pulses into clean, jitter-free digital edges with precise timing margins.

Use Value: Hysteresis of ≥0.4 V rejects >400 mV of conducted EMI from ignition systems, preventing false RPM counts and misfire detection.

Use Scenario: Debouncing mechanical door lock/unlock switch inputs exposed to vibration and contact bounce.

IC Role / Device Role / Timing Role: Inverter-based RC oscillator generates stable timing window to filter transient switch glitches before MCU polling.

Use Value: TTL-level compatibility allows direct connection to 5 V BCM microcontroller GPIOs; no external pull-ups or voltage dividers required.

Automotive Infotainment Power Sequencing

ADAS Camera Interface Signal Integrity

Use Scenario: Generating controlled power-on reset delays for display backlight drivers and audio amplifiers.

IC Role / Device Role / Timing Role: Monostable multivibrator formed using one inverter, resistor, and capacitor provides precise 10–100 ms delay windows.

Use Value: Propagation delay stability (±1.0 ns over temperature) ensures deterministic sequencing across vehicle lifecycle.

Use Scenario: Sharpening slow-slew LVDS or analog video sync pulses transmitted over long harnesses.

IC Role / Device Role / Timing Role: Wave shaper restores edge integrity of horizontal/vertical sync signals degraded by cable capacitance.

Use Value: Balanced t_PLH/t_PHL ≤9.0 ns minimizes skew between sync edges, preserving pixel timing alignment in rear-view cameras.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
74AHC3G14DP-Q100	CMOS-level inputs (V_T+ = 3.15 V at V_CC = 4.5 V); higher noise margin vs. TTL sources	Better suited for 3.3 V system interfaces; less compatible with legacy 5 V TTL outputs	Select when interfacing with modern 3.3 V MCUs or when higher input hysteresis (≥1.2 V) is needed for extreme noise immunity.
SN74LV14AQPWRQ1	Lower V_CC range (2.0–5.5 V); identical TTL thresholds but higher ICC (max 40 μA vs. 10 μA)	Same AEC-Q100 Grade 1 rating; slightly higher static power in always-on modules	Prefer when existing TI-based BOMs require vendor consolidation or when tighter propagation delay distribution (±0.5 ns) is critical.

Compared with 74AHCT3G14DP-Q100, the 74AHC3G14DP-Q100 offers superior noise margin for 3.3 V systems but lacks native TTL compatibility, while SN74LV14AQPWRQ1 matches input behavior closely but increases quiescent current in battery-sensitive modules.

Availability

74AHCT3G14DP-Q100 is available at Aetrix Electronics and suitable for automotive engine control units, body control modules, infotainment power sequencing, and ADAS camera interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74AHCT3G14DP-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 essential efficiency technologies, delivering high-performance logic, discrete, and MOSFET solutions optimized for automotive, industrial, and consumer applications.

This device belongs to Nexperia's automotive-qualified logic portfolio, engineered specifically for robust signal conditioning in harsh electromagnetic and thermal environments found in modern vehicles.

FAQ

What is the maximum allowable input voltage when V_CC = 3.3 V?

The 74AHCT3G14DP-Q100 features overvoltage-tolerant inputs rated to 5.5 V regardless of V_CC level. This allows safe interfacing with 5 V signals in mixed-voltage systems-even when powered from 3.3 V-without external clamping diodes or level shifters, simplifying design and improving reliability in automotive domain controllers.

Can this device be used to build a relaxation oscillator?

Yes-application note Fig. 15 confirms direct implementation of a relaxation oscillator using one inverter, an external resistor, and capacitor. With V_CC = 5.0 V, typical oscillation frequency ranges from 1 kHz to 1 MHz depending on R and C values; hysteresis ensures stable startup and immunity to supply ripple, making it suitable for non-critical timing in lighting or HVAC subsystems.

How does the device behave under fast transient ESD events?

It meets AEC-Q100 stress testing requirements with HBM >2000 V and CDM >1000 V per JS-001/JS-002 standards. Internal protection structures clamp transients before they reach sensitive gate oxides; however, board-level TVS devices are still recommended for ISO 10605-compliant 30 kV air-discharge immunity in final ECU designs.

Is pin 1 location consistent between TSSOP8 and VSSOP8 packages?

Yes-both SOT505-2 (TSSOP8) and SOT765-1 (VSSOP8) variants locate pin 1 at the lower-left corner of the package body, adjacent to the marking code ('C14') and identified by a molded dot or beveled edge. This uniform pin 1 indexing simplifies PCB layout reuse across package options during prototyping and cost optimization.

74AHCT3G14DP-Q100H Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74AHCT

Package/Case:: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Inverter

Number of Circuits:: 3

Number of Inputs:: 3

Features:: Schmitt Trigger

Voltage - Supply:: 4.5V ~ 5.5V

Current - Quiescent (Max):: 1 µA

Current - Output High, Low:: 8mA, 8mA

Input Logic Level - Low:: 0.5V ~ 0.6V

Input Logic Level - High:: 2V

Max Propagation Delay @ V, Max CL:: 8.5ns @ 5V, 50pF

Operating Temperature:: -40°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 8-TSSOP

74AHCT3G14DP-Q100H FAQ

1.How can I place an order for 74AHCT3G14DP-Q100H through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHCT3G14DP-Q100H 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 74AHCT3G14DP-Q100H reliable?

The price and inventory of 74AHCT3G14DP-Q100H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT3G14DP-Q100H is usually 5 days.

3.What payment methods are accepted for 74AHCT3G14DP-Q100H?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT3G14DP-Q100H transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHCT3G14DP-Q100H?

74AHCT3G14DP-Q100H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHCT3G14DP-Q100H 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 74AHCT3G14DP-Q100H?

For technical support, including 74AHCT3G14DP-Q100H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT3G14DP-Q100H requirements.

6.How does Aetrix verify that 74AHCT3G14DP-Q100H is sourced from the original manufacturer or authorized distributors?

All 74AHCT3G14DP-Q100H 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 74AHCT3G14DP-Q100H meets industry standards.

7.What is the process for return or replacement of 74AHCT3G14DP-Q100H?

All 74AHCT3G14DP-Q100H units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT3G14DP-Q100H, 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 74AHCT3G14DP-Q100H part is unused and in its original packaging.

Return procedure for 74AHCT3G14DP-Q100H:

1.Submit a request within 90 days.

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

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