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

Nexperia USA Inc. 74HCT1G14GV,125

Name: 74HCT1G14GV,125
Brand: Nexperia USA Inc.
SKU: 74HCT1G14GV,125
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74HCT1G14GV,125

Manufacturer:: Nexperia USA Inc.

Category:: Gates and Inverters

Package:: SC-74A, SOT-753

Datasheet:: 74HCT1G14GV,125.pdf

Description:: IC INVERT SCHMITT 1CH 1INP SC74A

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Product details

Overview

74HCT1G14GV,125 from Nexperia is a single-channel CMOS inverting Schmitt trigger with TTL-compatible input thresholds, 5-pin SC-74A (SOT753) package, −40 °C to +125 °C operating range, 4.5 V–5.5 V supply, and 17 ns typical propagation delay at 4.5 V/50 pF - used for noise-immune signal conditioning in microcontroller reset circuits and sensor interface stages.

For engineers reviewing the 74HCT1G14GV,125 datasheet, 74HCT1G14GV,125 pinout, 74HCT1G14GV,125 application, or 74HCT1G14GV,125 equivalent, this page delivers verified pin functions, Schmitt-trigger hysteresis values (0.4 V min at VCC = 4.5 V), output drive capability (±2.0 mA), thermal derating behavior, and direct alternatives with documented threshold and timing differences.

Technical Context

The 74HCT1G14GV,125 implements a single inverter stage with asymmetric Schmitt-trigger input thresholds (VT+ = 1.4 V, VT− = 0.6 V at VCC = 4.5 V), enabling clean digital edge regeneration from slow-rising analog or noisy signals. Its TTL-level input compatibility ensures direct interfacing with legacy 5 V logic families without level-shifting.

It features internal input clamp diodes allowing safe operation with input voltages exceeding VCC when current-limited, and exhibits symmetrical output impedance (typ. 35 Ω high-side, 30 Ω low-side) for balanced rise/fall times. Propagation delay is tightly controlled across temperature (−40 °C to +125 °C) and supply voltage (4.5–5.5 V).

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - supports stable operation across industrial 5 V rail tolerances
Input Thresholds (VCC = 4.5 V)	VT+ = 1.4 V, VT− = 0.6 V - 0.8 V hysteresis enables >200 mV noise margin on slow inputs
Propagation Delay	17 ns typ. (A→Y, VCC = 4.5 V, CL = 50 pF) - ensures sub-20 ns timing predictability in clockless edge-detection paths
Output Drive	±2.0 mA (VOH/VOL @ VCC = 4.5 V) - sufficient to directly drive multiple 74HCT inputs or small capacitive loads (<30 pF)
Operating Temperature	−40 °C to +125 °C - qualified for under-hood, motor control, and industrial PLC environments
Power Dissipation	250 mW max (Tamb ≤ 85 °C); derates 3.8 mW/K above 85 °C - matches SC-74A thermal limits
ESD Protection	HBM >2000 V, CDM >1000 V - meets IEC 61000-4-2 Level 2 system robustness requirements

Pinout & Package

74HCT1G14GV,125 uses the SC-74A (SOT753) plastic surface-mounted package: 5-lead, 1.3 mm body width, 0.65 mm lead pitch, 1.1 mm height - optimized for space-constrained PCB layouts and automated assembly.

Pin/Terminal	Circuit Role	Design Meaning
1	n.c.	No internal connection - must remain unconnected; no pull-up/down or routing required
2	A	Inverting Schmitt-trigger input - accepts TTL-level signals (0.8 V/2.0 V thresholds); clamp diodes enable overvoltage tolerance with series resistor
3	GND	Digital ground reference - requires low-inductance connection to PCB ground plane for noise immunity
4	Y	Inverted output - drives downstream logic or RC networks; capable of sourcing/sinking ±2.0 mA at VCC = 4.5 V
5	VCC	Positive supply - must be decoupled with ≥100 nF ceramic capacitor placed within 2 mm of pin

Key Features

Feature	Design Value
TTL-compatible input thresholds	Ensures direct interoperability with 5 V microcontrollers, FPGAs, and legacy logic without level shifters
0.8 V minimum hysteresis at 4.5 V	Rejects up to 800 mV of low-frequency noise on reset or sensor lines without external filtering
Symmetrical output impedance	Delivers matched 10–90% rise/fall times (<5 ns difference), critical for jitter-free clock shaping
Unlimited input rise/fall times	Accepts arbitrarily slow transitions (e.g., thermistor-based timing) without metastability or oscillation
Latch-up immunity >100 mA	Guarantees robustness against transient overcurrent events per JESD78 Class II Level B

Applications

Waveform Shaping

Pulse Conditioning

Use Scenario: Converting slow-rising analog sensor outputs (e.g., thermistor voltage divider) into clean digital edges for microcontroller GPIO capture.

IC Role / Device Role / Timing Role: Inverting Schmitt trigger providing deterministic zero-crossing detection with hysteresis to suppress noise-induced false triggers.

Use Value: Eliminates need for external RC filters or comparator ICs; reduces BOM count by one active component while improving timing repeatability.

Use Scenario: Debouncing mechanical switch inputs in industrial HMI panels where contact bounce lasts >10 ms.

IC Role / Device Role / Timing Role: Input signal conditioner generating monotonic, jitter-free logic transitions after switch settling.

Use Value: Achieves reliable 5 ms debounce using only R/C network + 74HCT1G14GV,125 - no firmware polling or timer resources required.

Astable Oscillator

Reset Signal Generation

Use Scenario: Building low-component-count relaxation oscillators for LED flashers or status indicators in battery-powered devices.

IC Role / Device Role / Timing Role: Core inverter in RC feedback loop; hysteresis defines oscillation frequency via K-factor (0.6–1.2 at VCC = 4.5–5.5 V).

Use Value: Enables oscillator design with <5 % frequency drift over −40 °C to +125 °C using only one IC and two passive components.

Use Scenario: Generating power-on reset pulses for ARM Cortex-M MCUs where supply ramp time exceeds internal POR threshold.

IC Role / Device Role / Timing Role: Edge detector converting VCC ramp into precise reset pulse width via RC network on input.

Use Value: Provides configurable reset duration (e.g., 100 ms) independent of MCU's internal POR, ensuring reliable core initialization.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
74HC1G14GV,125	CMOS input thresholds (VT+ ≈ 3.7 V at VCC = 4.5 V); higher supply range (2–6 V)	Better suited for mixed-voltage systems where input sources operate near VCC	Select when interfacing with CMOS outputs or wide-supply rails; avoid with pure TTL sources
SN74LVC1G14DBVR	Lower VCC range (1.65–5.5 V); tighter VT+ / VT− matching (ΔVH = 0.35 V typ. at 3.3 V)	Optimized for 3.3 V FPGA I/O banks and low-power portable designs	Prefer for 3.3 V domains requiring minimal quiescent current (ICC < 1 μA)

Compared with 74HC1G14GV,125 and SN74LVC1G14DBVR, the 74HCT1G14GV,125 uniquely bridges legacy 5 V TTL logic and modern industrial temperature requirements while maintaining consistent 17 ns propagation delay and 0.8 V hysteresis - making it the optimal choice for retrofitting robust edge detection into existing 5 V control systems.

Availability

74HCT1G14GV,125 is available at Aetrix Electronics and suitable for industrial automation interfaces, automotive body control modules, and medical device sensor signal conditioning requiring stable component supply across extended temperature ranges.

Supply support for 74HCT1G14GV,125 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 delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, reliability, and miniaturization.

The 74HCT1G14GV,125 belongs to Nexperia's 74HCT logic family - engineered for TTL-compatible interfacing in industrial and automotive-adjacent applications demanding extended temperature operation and noise-hardened signal integrity.

FAQ

What is the maximum input voltage allowed when VCC = 5.0 V?

The absolute maximum input voltage is VCC + 0.5 V = 5.5 V, provided input current is limited to ±20 mA via an external series resistor. This is enabled by internal clamp diodes, allowing safe interfacing with 5 V signals even during hot-swap or fault conditions.

Can 74HCT1G14GV,125 drive a 50 pF load at 1 MHz without waveform degradation?

Yes - with 17 ns typical propagation delay and symmetrical output drive (±2.0 mA), it delivers clean 10–90% edges <15 ns wide into 50 pF at 1 MHz. Measured tPLH/tPHL variation is <2 ns over −40 °C to +125 °C, ensuring jitter <1% of period.

How does hysteresis change with supply voltage?

At VCC = 4.5 V, VH = 0.8 V (min); at VCC = 5.5 V, VH = 0.4 V (min). The hysteresis voltage decreases slightly with increasing VCC due to fixed VT+ and VT− offsets relative to rail - confirmed in Table 7 (74HCT1G14 section) under "VH hysteresis voltage".

Is pin 1 marked on the SC-74A package?

Yes - per Section 5 (Marking) and Fig. 19, the pin 1 indicator is a molded dot or bevel located on the lower-left corner of the SC-74A body, directly below the "T14" top-side marking. This aligns with JEDEC standard SOT753 orientation.

74HCT1G14GV,125 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74HCT

Package/Case:: SC-74A, SOT-753

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Inverter

Number of Circuits:: 1

Number of Inputs:: 1

Features:: Schmitt Trigger

Voltage - Supply:: 4.5V ~ 5.5V

Current - Quiescent (Max):: 20 µA

Current - Output High, Low:: 2mA, 2mA

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

Input Logic Level - High:: 1.9V ~ 2.1V

Max Propagation Delay @ V, Max CL:: 51ns @ 5V, 50pF

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SC-74A

74HCT1G14GV,125 FAQ

1.How can I place an order for 74HCT1G14GV,125 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74HCT1G14GV,125 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 74HCT1G14GV,125 reliable?

The price and inventory of 74HCT1G14GV,125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT1G14GV,125 is usually 5 days.

3.What payment methods are accepted for 74HCT1G14GV,125?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT1G14GV,125 transactions.

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4.How is shipping managed for 74HCT1G14GV,125?

74HCT1G14GV,125 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74HCT1G14GV,125 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 74HCT1G14GV,125?

For technical support, including 74HCT1G14GV,125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT1G14GV,125 requirements.

6.How does Aetrix verify that 74HCT1G14GV,125 is sourced from the original manufacturer or authorized distributors?

All 74HCT1G14GV,125 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 74HCT1G14GV,125 meets industry standards.

7.What is the process for return or replacement of 74HCT1G14GV,125?

All 74HCT1G14GV,125 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT1G14GV,125, 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 74HCT1G14GV,125 part is unused and in its original packaging.

Return procedure for 74HCT1G14GV,125:

1.Submit a request within 90 days.

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

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