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

Nexperia USA Inc. 74AHCT3G14DC-Q100H

Name: 74AHCT3G14DC-Q100H
Brand: Nexperia USA Inc.
SKU: 74AHCT3G14DC-Q100H
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74AHCT3G14DC-Q100H

Manufacturer:: Nexperia USA Inc.

Category:: Gates and Inverters

Package:: 8-VFSOP (0.091", 2.30mm Width)

Datasheet:: 74AHCT3G14DC-Q100H.pdf

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

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Product details

Overview

74AHCT3G14DC-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 provides noise-immune signal conditioning in engine control units and body electronics where slow-rising signals require hysteresis-based waveform shaping.

For engineers reviewing the 74AHCT3G14DC-Q100 datasheet, 74AHCT3G14DC-Q100 pinout, 74AHCT3G14DC-Q100 application, or 74AHCT3G14DC-Q100 equivalent, this page delivers verified functional role, Schmitt threshold values (VT+ = 2.0 V, VT− = 0.5 V at VCC = 4.5 V), propagation delay (tpd = 4.1–9.0 ns), output drive capability (±8 mA), and automotive-grade reliability data - all confirmed from Nexperia's Rev. 5 product data sheet.

Technical Context

This device implements three independent inverting Schmitt triggers in a single VSSOP8 package, each with asymmetric input thresholds enabling robust noise rejection on slow-transitioning signals. Its TTL-compatible input levels (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5 V) interface directly with legacy 5 V logic while maintaining CMOS power efficiency.

The architecture supports relaxation oscillator configuration via external RC networks (per Fig. 15), with hysteresis voltage VH = 1.4 V (typ.) at VCC = 4.5 V and symmetrical output impedance ensuring consistent rise/fall times under load. Input clamping and ESD protection (HBM > 2000 V, CDM > 1000 V) meet automotive system-level surge requirements.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	4.5 V to 5.5 V - Enables direct integration into 5 V automotive subsystems without level-shifting.
Input Threshold (VT+)	2.0 V (min) at VCC = 4.5 V - Ensures reliable HIGH detection even with degraded signal amplitude.
Input Threshold (VT−)	0.6 V (max) at VCC = 4.5 V - Guarantees clean LOW-to-HIGH transition in noisy environments.
Propagation Delay	4.1 ns (typ) to 9.0 ns (max) at CL = 15 pF - Supports timing-critical signal conditioning up to ~100 MHz edge rates.
Output Drive	±8 mA at VCC = 4.5 V - Sufficient to drive multiple CMOS inputs or small capacitive loads without buffering.
Hysteresis Voltage	1.4 V (typ) at VCC = 4.5 V - Provides 28% noise margin relative to supply, rejecting transients ≤1.4 V peak.
ESD Protection	HBM > 2000 V, CDM > 1000 V - Meets AEC-Q100 stress test requirements for assembly and field operation.

Pinout & Package

VSSOP8 plastic very thin shrink small outline package (SOT765-1); 8 leads; body width 2.3 mm; pin 1 indicator located below marking code in lower-left corner.

Pin/Terminal	Circuit Role	Design Meaning
1, 3, 6 (1A, 2A, 3A)	Data input	Three independent Schmitt-trigger inputs accepting TTL-level signals; overvoltage tolerant to 5.5 V.
7, 5, 2 (1Y, 2Y, 3Y)	Data output	Inverted, buffered outputs with symmetrical drive strength (±8 mA) and rail-to-rail swing.
4	GND	Ground reference (0 V) for all internal circuitry and I/O; requires low-impedance PCB connection.
8	VCC	Primary power supply (4.5–5.5 V); decoupling capacitor (100 nF) recommended within 5 mm.

Key Features

Feature	Design Value
AEC-Q100 Grade 1 qualification	Validated for automotive operation from −40 °C to +125 °C ambient, including thermal cycling and humidity testing.
TTL-compatible input levels	VIH ≥ 2.0 V and VIL ≤ 0.8 V at VCC = 4.5 V - eliminates need for external level shifters when interfacing with 5 V microcontrollers.
Overvoltage-tolerant inputs	Withstands up to 5.5 V regardless of VCC - enables safe use in mixed-voltage domains (e.g., 3.3 V core / 5 V sensor interface).
Symmetrical output impedance	Ensures matched rise/fall times (<10% skew) for precise pulse shaping in timing circuits and oscillators.
Low static current	ICC ≤ 10 μA (max) at VCC = 5.5 V - minimizes quiescent power in always-on vehicle modules like door controllers.

Applications

Engine Control Unit (ECU) Signal Conditioning

Body Control Module (BCM) Switch Debouncing

Use Scenario: Cleaning crankshaft position sensor signals contaminated by ignition noise and alternator ripple.

IC Role / Device Role / Timing Role: Inverting Schmitt trigger providing hysteresis-based waveform regeneration before MCU capture.

Use Value: VT+ = 2.0 V / VT− = 0.6 V ensures reliable edge detection despite ±1.2 V noise superimposed on 0–5 V analog pulses.

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

IC Role / Device Role / Timing Role: Input conditioner converting erratic switch transitions into clean digital edges for microcontroller GPIO.

Use Value: 1.4 V hysteresis rejects transients <1.4 V peak, eliminating false triggers without software polling delays.

Automotive Infotainment System Clock Cleanup

ADAS Camera Interface Signal Integrity

Use Scenario: Restoring degraded clock signals from remote timing sources in head unit audio subsystems.

IC Role / Device Role / Timing Role: Wave shaper restoring square-wave integrity to jittery 1–10 MHz reference clocks.

Use Value: Propagation delay variation <1 ns across temperature ensures sub-cycle timing stability for audio PLLs.

Use Scenario: Conditioning LVDS or parallel video sync signals exposed to harness-induced crosstalk in rear-view camera links.

IC Role / Device Role / Timing Role: Pulse shaper cleaning frame sync and pixel clock edges prior to FPGA capture.

Use Value: Symmetrical output drive (±8 mA) maintains 50 Ω line impedance match, reducing overshoot and ringing.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
74AHC3G14DC-Q100	CMOS input thresholds (VT+ = 4.4 V, VT− = 0.9 V at VCC = 4.5 V); higher VIH requirement.	Better suited for pure CMOS systems; incompatible with TTL-level drivers without pull-up.	Select when interfacing exclusively with 3.3 V/5 V CMOS logic and requiring tighter threshold symmetry.
SN74LVC3G14DCUR	Wider supply range (1.65–5.5 V); LVTTL-compatible inputs; non-automotive grade.	Lacks AEC-Q100 qualification; not approved for under-hood or safety-critical locations.	Acceptable for infotainment or telematics modules outside harsh environments; verify lifecycle support separately.

Compared with 74AHCT3G14DC-Q100, the 74AHC3G14DC-Q100 offers higher noise immunity in CMOS-only systems but requires stronger drive capability, while the SN74LVC3G14DCUR provides broader voltage flexibility at the cost of automotive qualification and reduced ESD robustness.

Availability

74AHCT3G14DC-Q100 is available at Aetrix Electronics and suitable for engine control units, body control modules, and ADAS camera interfaces requiring stable component supply across extended temperature ranges and automotive qualification.

Supply support for 74AHCT3G14DC-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 specializing in high-performance, high-reliability logic, analog, and discrete components, with leadership in automotive-qualified standard products.

This device belongs to Nexperia's AEC-Q100-qualified 74AHCT logic family, engineered specifically for noise-prone automotive subsystems requiring robust signal conditioning, level translation, and waveform shaping at extended temperatures.

FAQ

What is the maximum input voltage the 74AHCT3G14DC-Q100 can tolerate?

The 74AHCT3G14DC-Q100 features overvoltage-tolerant inputs rated up to 5.5 V regardless of supply voltage, allowing safe operation in mixed-voltage systems where input signals may exceed VCC. This is confirmed in Table 5 (Limiting Values) and Section 1 General Description of the Rev. 5 datasheet.

Can this device be used in a relaxation oscillator configuration?

Yes - Figure 15 in the datasheet explicitly shows the 74AHCT3G14-Q100 configured as a relaxation oscillator using external R and C components. The Schmitt trigger's defined VT+ and VT− thresholds enable predictable oscillation frequency, with hysteresis voltage VH = 1.4 V (typ) at VCC = 4.5 V serving as the key timing parameter.

How does the 74AHCT3G14DC-Q100 differ from the 74AHC3G14DC-Q100?

The 74AHCT3G14DC-Q100 uses TTL-compatible input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V), enabling direct interface with legacy 5 V TTL outputs, whereas the 74AHC3G14DC-Q100 requires CMOS-level inputs (VIH ≥ 4.4 V at VCC = 4.5 V). Both share identical packaging, output drive, and AEC-Q100 qualification.

Is the VSSOP8 package (SOT765-1) lead-free and RoHS compliant?

Yes - Nexperia confirms RoHS compliance and lead-free construction for the SOT765-1 package per its product change notices and environmental declarations. The device meets EU RoHS Directive 2011/65/EU and JEDEC J-STD-609A Class 3 marking requirements, with SnAgCu (SAC305) solder finish and halogen-free molding compound.

74AHCT3G14DC-Q100H Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74AHCT

Package/Case:: 8-VFSOP (0.091", 2.30mm 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-VSSOP

74AHCT3G14DC-Q100H FAQ

1.How can I place an order for 74AHCT3G14DC-Q100H through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHCT3G14DC-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 74AHCT3G14DC-Q100H reliable?

The price and inventory of 74AHCT3G14DC-Q100H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT3G14DC-Q100H is usually 5 days.

3.What payment methods are accepted for 74AHCT3G14DC-Q100H?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT3G14DC-Q100H transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHCT3G14DC-Q100H?

74AHCT3G14DC-Q100H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHCT3G14DC-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 74AHCT3G14DC-Q100H?

For technical support, including 74AHCT3G14DC-Q100H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT3G14DC-Q100H requirements.

6.How does Aetrix verify that 74AHCT3G14DC-Q100H is sourced from the original manufacturer or authorized distributors?

All 74AHCT3G14DC-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 74AHCT3G14DC-Q100H meets industry standards.

7.What is the process for return or replacement of 74AHCT3G14DC-Q100H?

All 74AHCT3G14DC-Q100H units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT3G14DC-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 74AHCT3G14DC-Q100H part is unused and in its original packaging.

Return procedure for 74AHCT3G14DC-Q100H:

1.Submit a request within 90 days.

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

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