My Inquiry
My Account
Nexperia USA Inc. 74HCT3G14DC-Q100H
- Part No.:
- 74HCT3G14DC-Q100H
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 8-VFSOP (0.091", 2.30mm Width)
- Datasheet:
-
74HCT3G14DC-Q100H.pdf
- Description:
- IC INVERT SCHMITT 3CH 3IN 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,379
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74HCT3G14DC-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-compatible inputs, 4.5 V to 5.5 V supply range, and 21 ns typical propagation delay at VCC = 4.5 V - deployed in noise-immune signal conditioning for engine control unit (ECU) sensor interfaces.
For engineers reviewing the 74HCT3G14DC-Q100 datasheet, 74HCT3G14DC-Q100 pinout, 74HCT3G14DC-Q100 application, or 74HCT3G14DC-Q100 equivalent, key selection factors include Schmitt-trigger hysteresis (0.40–0.71 V), VSSOP8 package footprint compatibility, automotive temperature compliance, and TTL-level input threshold behavior under fast-rising noisy signals.
Technical Context
This device implements three independent inverting Schmitt triggers with input clamp diodes enabling safe interfacing to voltages exceeding VCC via current-limiting resistors. Each channel transforms slow, noisy analog-like inputs into clean digital outputs using positive- and negative-going thresholds (VT+ = 1.20–1.90 V, VT− = 0.50–1.20 V at VCC = 4.5–5.5 V).
Its architecture supports unlimited input rise/fall times without oscillation, delivers 4.0 mA output drive capability, and maintains stable operation across wide voltage (4.5–5.5 V) and temperature (-40 °C to +125 °C) ranges - critical for robust timing recovery in automotive body electronics and powertrain subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.5 V to 5.5 V - ensures compatibility with standard 5 V automotive logic rails and tolerance against battery transients. |
| Input Threshold (VT+) | 1.20–1.90 V at VCC = 4.5–5.5 V - enables reliable recognition of TTL-level logic highs despite noise or slow edges. |
| Hysteresis Voltage (VH) | 0.40–0.67 V - provides noise margin sufficient to suppress false triggering from EMI in under-hood environments. |
| Propagation Delay (tpd) | 21–48 ns at VCC = 4.5 V - supports sub-20 MHz signal conditioning in real-time sensor preprocessing stages. |
| Output Drive Current | ±4.0 mA - sufficient to directly drive LED indicators, small MOSFET gates, or subsequent logic stages without buffering. |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - meets automotive system-level ESD immunity requirements per ISO 10605. |
| Operating Temperature | -40 °C to +125 °C - qualified for engine bay and transmission control module mounting locations. |
Pinout & Package
VSSOP8 plastic very thin shrink small outline package (SOT765-1); 8 leads; body width 2.3 mm; pin 1 indicator located on lower left corner below marking code T14.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 6 | 1A / 2A / 3A | Independent Schmitt-trigger input pins - each accepts TTL-level signals and features internal clamp diodes for overvoltage protection. |
| 2, 5, 7 | 3Y / 1Y / 2Y | Inverted output pins - provide sharp-edged, jitter-free digital outputs synchronized to input transitions. |
| 4 | GND | Ground reference for all internal circuitry and I/O - must be low-impedance connection to minimize ground bounce in noisy systems. |
| 8 | VCC | Positive supply rail - decoupling capacitor (100 nF ceramic) required within 5 mm for stable high-speed switching performance. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive applications requiring operation from -40 °C to +125 °C ambient, including engine control and ADAS subsystems. |
| TTL-compatible input levels | Accepts standard 0.8 V/2.0 V VIH/VIL thresholds - eliminates need for level-shifting when interfacing with legacy microcontrollers or sensors. |
| Unlimited input rise/fall times | Enables direct connection to RC-generated waveforms or slow-switching mechanical sensors without external edge sharpening circuits. |
| High noise immunity | 0.4–0.7 V hysteresis window rejects common-mode noise up to ±300 mV on sensor lines in electric power steering modules. |
| CMOS low power dissipation | Typical ICC < 1 μA per input at VCC = 5.5 V - supports always-on diagnostic functions in vehicle wake-up circuits. |
Applications
| Engine Knock Sensor Interface | Body Control Module Reset Generator |
|---|---|
Use Scenario: Conditioning analog knock sensor signals corrupted by ignition EMI and mechanical vibration before ADC sampling. IC Role / Device Role / Timing Role: Schmitt-trigger input cleans slow-rising zero-crossing pulses into deterministic digital edges for time-of-arrival measurement. Use Value: Hysteresis rejects broadband noise spikes up to 200 mV peak-to-peak, ensuring accurate combustion timing detection without false knock events. |
Use Scenario: Generating clean power-on reset pulses from unregulated battery voltage during cold-cranking conditions. IC Role / Device Role / Timing Role: Inverter-based RC relaxation oscillator produces stable 100 ms reset pulse independent of VCC ramp rate. Use Value: Input clamp diodes allow direct connection to raw 6–16 V battery rail using only one current-limiting resistor - no LDO needed. |
| Electric Power Steering Position Debounce | Transmission Solenoid Driver Enable Logic |
Use Scenario: Debouncing Hall-effect rotor position feedback signals subject to contact bounce and PWM-induced coupling. IC Role / Device Role / Timing Role: Triple inverter configures as cascaded Schmitt triggers to implement multi-stage noise filtering with adjustable hysteresis. Use Value: Configurable VT+/VT− thresholds enable tuning of debounce sensitivity to match specific motor pole count and mechanical backlash. |
Use Scenario: Enabling solenoid driver ICs only after confirming valid CAN bus command and internal safety state. IC Role / Device Role / Timing Role: Logic gate combines enable signals with inverted fault flags to generate fail-safe driver enable with glitch suppression. Use Value: 4.0 mA output drive directly interfaces to high-threshold CMOS inputs of solenoid driver ICs without pull-up resistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple Schmitt-trigger applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT14D,653 | SO14 package (14-pin), single-channel vs triple; identical electrical specs but requires external wiring for 3-channel use. | Less board space efficiency; unsuitable for compact ECU modules where VSSOP8 footprint is mandatory. | Select when existing PCB layout accommodates SO14 or when only one inverter channel is needed per design. |
| SN74LV14APW | Lower supply range (2.0–5.5 V); LV-CMOS input thresholds (0.5×VCC); 1.5× higher propagation delay (32 ns typ). | Not AEC-Q100 qualified; limited to cabin electronics; incompatible with strict TTL input requirement in legacy ECUs. | Choose only for non-automotive industrial applications requiring wider VCC flexibility and lower static current. |
Compared with 74HCT3G14DC-Q100, the 74HCT14D offers identical functionality in larger packaging but sacrifices integration density, while SN74LV14APW trades automotive qualification and TTL compatibility for broader voltage operation - making the VSSOP8 triple variant optimal for space-constrained, safety-critical automotive signal conditioning.
Availability
74HCT3G14DC-Q100 is available at Aetrix Electronics and suitable for engine control units, body control modules, electric power steering systems, and transmission control units requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for 74HCT3G14DC-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 delivering high-performance, reliable discrete, logic, and MOSFET devices optimized for automotive, industrial, and consumer applications.
This part belongs to Nexperia's automotive-qualified logic portfolio, designed specifically for noise-immune signal conditioning in harsh-temperature automotive subsystems where reliability and AEC-Q100 compliance are mandatory.
FAQ
What is the maximum input voltage the 74HCT3G14DC-Q100 can tolerate when VCC = 5.0 V?
The device includes input clamp diodes that allow safe operation with input voltages up to VCC + 0.5 V (i.e., 5.5 V) provided input current is limited to ±20 mA. This enables direct interface to 5 V microcontroller GPIOs or buffered sensor outputs without external protection components.
Can this IC be used to build an astable multivibrator, and what determines its frequency?
Yes - configured with two inverters and an RC network, it forms a relaxation oscillator. Frequency depends on R, C, and the K-factor (0.4–0.8 for VCC = 4.5–5.5 V), which is derived from VT+, VT−, and hysteresis. Typical range spans 1 kHz to 1 MHz depending on component values and supply voltage.
How does the 74HCT3G14DC-Q100 differ from the 74HC3G14DC-Q100 in practical circuit design?
The 74HCT version uses TTL-compatible input thresholds (~1.2–1.9 V), while the 74HC version uses CMOS thresholds (~0.5×VCC). In 5 V systems, this means the HCT variant reliably interprets 3.3 V logic highs from MCUs as valid HIGH inputs, whereas HC may misread them near the switching threshold.
Is the VSSOP8 package (SOT765-1) compatible with standard reflow soldering profiles for lead-free assembly?
Yes - Nexperia specifies the SOT765-1 package for standard Pb-free reflow per JEDEC J-STD-020. Peak temperature must not exceed 260 °C, with time above 217 °C limited to 60–150 seconds. Thermal pad exposure is not required, simplifying stencil design and placement accuracy.
74HCT3G14DC-Q100H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HCT
- 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:
- 4mA, 4mA
- Input Logic Level - Low:
- 0.5V ~ 0.6V
- Input Logic Level - High:
- 1.9V ~ 2.1V
- Max Propagation Delay @ V, Max CL:
- 32ns @ 4.5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
74HCT3G14DC-Q100H FAQ
1.How can I place an order for 74HCT3G14DC-Q100H through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT3G14DC-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 74HCT3G14DC-Q100H reliable?
The price and inventory of 74HCT3G14DC-Q100H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT3G14DC-Q100H is usually 5 days.
3.What payment methods are accepted for 74HCT3G14DC-Q100H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT3G14DC-Q100H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT3G14DC-Q100H?
74HCT3G14DC-Q100H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT3G14DC-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 74HCT3G14DC-Q100H?
For technical support, including 74HCT3G14DC-Q100H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT3G14DC-Q100H requirements.
6.How does Aetrix verify that 74HCT3G14DC-Q100H is sourced from the original manufacturer or authorized distributors?
All 74HCT3G14DC-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 74HCT3G14DC-Q100H meets industry standards.
7.What is the process for return or replacement of 74HCT3G14DC-Q100H?
All 74HCT3G14DC-Q100H units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT3G14DC-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 74HCT3G14DC-Q100H part is unused and in its original packaging.
Return procedure for 74HCT3G14DC-Q100H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74HCT3G14DC-Q100H Tags
-
SN74LVC1G14DBVR
Texas Instruments
-
SN74LVC1G14DCKR
Texas Instruments
-
SN74AHC1G14DBVR
Texas Instruments
-
SN74LVC1G08DBVR
Texas Instruments
-
SN74LVC1G08DCKR
Texas Instruments
-
SN74LVC1G32DCKR
Texas Instruments
-
SN74LVC1G04DBVR
Texas Instruments
.jpg)
-
74LVC1G08GW,125
Nexperia USA Inc.
-
SN74LVC1G04DCKR
Texas Instruments
-
SN74AHC1G08DBVR
Texas Instruments
-
SN74LVC1G32DBVR
Texas Instruments
-
SN74AHCT1G08DBVR
Texas Instruments
Tech Hub
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
