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

Nexperia USA Inc. 74HC14D-Q100,118

Name: 74HC14D-Q100,118
Brand: Nexperia USA Inc.
SKU: 74HC14D-Q100,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74HC14D-Q100,118

Manufacturer:: Nexperia USA Inc.

Category:: Gates and Inverters

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: 74HC14D-Q100,118.pdf

Description:: IC INVERT SCHMITT 6CH 1-INP 14SO

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Product details

Overview

74HC14D-Q100 from Nexperia is an automotive-grade hex inverting Schmitt trigger IC in SO14 package, operating from 2.0 V to 6.0 V supply, featuring TTL-compatible input thresholds, 6 independent channels, and AEC-Q100 Grade 1 qualification (−40 °C to +125 °C) for engine control and body electronics signal conditioning.

For engineers reviewing the 74HC14D-Q100 datasheet, 74HC14D-Q100 pinout, 74HC14D-Q100 application, or 74HC14D-Q100 equivalent, this page delivers verified electrical parameters, validated SO14 pin mapping, automotive timing integrity details, and direct substitution guidance for Schmitt-trigger-based waveform shaping and oscillator circuits.

Technical Context

The device implements six independent CMOS inverting Schmitt triggers with hysteresis-VT+ = 2.38 V and VT− = 1.4 V at VCC = 4.5 V-enabling clean digital output from slow-rising analog inputs. Input clamp diodes allow safe interfacing to voltages exceeding VCC when used with current-limiting resistors.

Its propagation delay is 15 ns (typ) at VCC = 4.5 V and CL = 50 pF, with transition time of 7 ns (typ), and it supports unlimited input rise/fall times without timing degradation-critical for debouncing switches or cleaning noisy sensor signals in automotive subsystems.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	2.0 V to 6.0 V - Enables direct interface with 3.3 V and 5 V automotive microcontrollers and sensors.
Operating Temperature	−40 °C to +125 °C - Qualified per AEC-Q100 Grade 1 for under-hood and powertrain applications.
Input Hysteresis (VH)	0.98 V (typ) at VCC = 4.5 V - Provides noise immunity against ±500 mV interference on input lines.
Propagation Delay (tpd)	15 ns (typ) at VCC = 4.5 V, CL = 50 pF - Supports reliable signal conditioning up to ~33 MHz edge rate.
Output Drive Strength	±4.0 mA (min) at VCC = 4.5 V - Sufficient to drive multiple 74HC inputs or small LED indicators directly.
Input Capacitance (CI)	3.5 pF - Minimizes loading on high-impedance source circuits like RC oscillators or sensor outputs.
ESD Protection	HBM > 2000 V, CDM > 1000 V - Meets automotive robustness requirements for assembly and field operation.

Pinout & Package

74HC14D-Q100 uses the SO14 (SOT108-1) plastic small outline package: 14-pin, 3.9 mm body width, 1.27 mm pitch, gull-wing leads. Pin 1 is index-marked; pin 7 is GND; pin 14 is VCC.

Pin/Terminal	Circuit Role	Design Meaning
1A, 3A, 5A, 9A, 11A, 13A	Schmitt trigger input	Independent logic inputs with hysteresis; accept slow edges and tolerate noise up to ±0.5 V.
2Y, 4Y, 6Y, 8Y, 10Y, 12Y	Inverted Schmitt output	CMOS-compatible outputs actively driven HIGH/LOW; each capable of sourcing/sinking ≥4 mA.
7	GND	Primary ground reference for all internal circuitry and I/O; must be low-impedance connection.
14	VCC	Main supply rail; decoupling capacitor (100 nF) required within 5 mm for stable switching performance.

Key Features

Feature	Design Value
AEC-Q100 Grade 1 qualification	Validated for −40 °C to +125 °C operation with full parametric compliance-required for engine control units and ADAS domain controllers.
TTL-compatible input thresholds	VT+ ≈ 1.4 V, VT− ≈ 0.85 V at VCC = 4.5 V-enables seamless interfacing with legacy 5 V TTL outputs without level shifters.
Clamp diode protection	Integrated input diodes allow safe overvoltage tolerance up to VCC + 0.5 V when series resistors limit current to <20 mA.
Unlimited input edge rates	No minimum rise/fall time requirement-supports debouncing mechanical switches or cleaning thermistor/position sensor outputs with RC networks.
Low static current	ICC ≤ 40 μA max at VCC = 6.0 V and Tamb = +125 °C-reduces quiescent power in always-on vehicle modules.

Applications

Waveform Shaping

Astable Multivibrator

Use Scenario: Converting noisy analog signals from crankshaft position sensors into clean square waves for ECU timing capture.

IC Role / Device Role / Timing Role: Six-channel Schmitt inverter providing jitter-free edge definition and noise rejection before microcontroller input capture.

Use Value: Eliminates false triggering caused by electromagnetic interference in engine bays, improving ignition timing accuracy.

Use Scenario: Generating clock signals for dashboard display refresh or HVAC fan speed control using external R-C network.

IC Role / Device Role / Timing Role: One inverter stage configured as relaxation oscillator; remaining five channels unused or repurposed for auxiliary logic.

Use Value: Low-cost, single-chip timing solution eliminating need for dedicated oscillator ICs in cost-sensitive modules.

Monostable Multivibrator

Switch Debouncing

Use Scenario: Creating precise pulse-width outputs for airbag deployment timing or fuel injector pre-charge sequencing.

IC Role / Device Role / Timing Role: Inverter pair with RC feedback generating fixed-duration pulses triggered by safety-critical event signals.

Use Value: Guarantees consistent 10–100 ms pulse widths across temperature, replacing unreliable discrete RC-timed transistor circuits.

Use Scenario: Cleaning bounce artifacts from door latch, seat position, or gear selector switch inputs in body control modules.

IC Role / Device Role / Timing Role: Dedicated inverter channel converting mechanical contact transitions into glitch-free digital logic levels.

Use Value: Prevents spurious wake-up events or incorrect state detection in low-power sleep modes, extending battery life.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
74HCT14D-Q100	TTL-compatible input thresholds (VT+ = 1.41 V typ), slightly higher ICC at 125 °C (≤20 μA vs. ≤40 μA for HC variant).	Better match for mixed 5 V TTL/CMOS systems; less suitable for 3.3 V-only designs due to higher VIH min.	Select when interfacing legacy 5 V logic; avoid if VCC may drop below 4.5 V or if ultra-low ICC is critical.
MC74HC14ADTR2G	Identical HC logic family, AEC-Q100 Grade 1, but in TSSOP-14 (SOT402-1); 0.65 mm pitch, 4.4 mm body width.	Higher board density; requires AOI-capable reflow process; thermal resistance differs (RθJA = 137 K/W vs. 100 K/W for SO14).	Choose for space-constrained PCBs where SO14 footprint is prohibitive; verify thermal margin in sealed enclosures.

Compared with 74HC14D-Q100, the 74HCT14D-Q100 offers tighter input compatibility with 5 V TTL sources but sacrifices 3.3 V interoperability, while the MC74HC14ADTR2G provides identical electrical behavior in a smaller package at the cost of higher thermal resistance and stricter assembly requirements.

Availability

74HC14D-Q100 is available at Aetrix Electronics and suitable for automotive engine control units, body electronics modules, and infotainment system interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74HC14D-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, analog, and MOSFET solutions optimized for automotive, industrial, and consumer applications.

The 74HC14-Q100 belongs to Nexperia's automotive-qualified logic portfolio, designed specifically to meet stringent AEC-Q100 reliability, thermal, and ESD requirements for signal conditioning in harsh-temperature vehicle subsystems.

FAQ

What is the maximum recommended supply voltage for continuous operation?

The absolute maximum supply voltage is +7.0 V, but the recommended operating range is 2.0 V to 6.0 V. Continuous operation above 6.0 V risks permanent damage per IEC 60134 limiting values, and exceeds JEDEC JESD7A compliance. For automotive use, VCC must remain within 4.5 V to 5.5 V when paired with 5 V regulators to ensure AEC-Q100 Grade 1 specification integrity.

Can 74HC14D-Q100 drive a 50 pF load at 10 MHz without signal degradation?

Yes: at VCC = 4.5 V and CL = 50 pF, propagation delay is 15 ns (typ) and transition time is 7 ns (typ), supporting clean edge integrity up to ~33 MHz fundamental frequency. However, dynamic power dissipation rises with frequency-CPD = 7 pF means PD ≈ 1.4 mW at 10 MHz and VCC = 4.5 V-so thermal design must account for cumulative loading across all six channels.

How does the input hysteresis improve noise immunity in automotive environments?

With VT+ = 2.38 V and VT− = 1.4 V at VCC = 4.5 V, the 0.98 V hysteresis window rejects noise spikes ≤ ±490 mV on input lines-critical for surviving conducted emissions (e.g., ISO 7637-2 Pulse 5a) and radiated RF interference near alternators or ignition systems. This eliminates false triggering without external filtering components.

Is the SO14 package lead-free and RoHS-compliant?

Yes: 74HC14D-Q100 is manufactured with lead-free terminations and complies with EU RoHS Directive 2011/65/EU and REACH SVHC regulations. The SOT108-1 package uses matte tin (Sn) plating over copper leadframe, qualified for standard SnPb and lead-free reflow profiles (J-STD-020D, peak 260 °C). Full material declarations are available via Nexperia's compliance portal.

74HC14D-Q100,118 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74HC

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Inverter

Number of Circuits:: 6

Number of Inputs:: 1

Features:: Schmitt Trigger

Voltage - Supply:: 2V ~ 6V

Current - Quiescent (Max):: 2 µA

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

Input Logic Level - Low:: 0.3V ~ 1.2V

Input Logic Level - High:: 1.5V ~ 4.2V

Max Propagation Delay @ V, Max CL:: 21ns @ 6V, 50pF

Operating Temperature:: -40°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SO

74HC14D-Q100,118 FAQ

1.How can I place an order for 74HC14D-Q100,118 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74HC14D-Q100,118 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 74HC14D-Q100,118 reliable?

The price and inventory of 74HC14D-Q100,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC14D-Q100,118 is usually 5 days.

3.What payment methods are accepted for 74HC14D-Q100,118?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HC14D-Q100,118 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74HC14D-Q100,118?

74HC14D-Q100,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74HC14D-Q100,118 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 74HC14D-Q100,118?

For technical support, including 74HC14D-Q100,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC14D-Q100,118 requirements.

6.How does Aetrix verify that 74HC14D-Q100,118 is sourced from the original manufacturer or authorized distributors?

All 74HC14D-Q100,118 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 74HC14D-Q100,118 meets industry standards.

7.What is the process for return or replacement of 74HC14D-Q100,118?

All 74HC14D-Q100,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74HC14D-Q100,118, 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 74HC14D-Q100,118 part is unused and in its original packaging.

Return procedure for 74HC14D-Q100,118:

1.Submit a request within 90 days.

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

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