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onsemi MC74VHC1G14P5T5G
- Part No.:
- MC74VHC1G14P5T5G
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- SOT-953
- Datasheet:
-
MC74VHC1G14P5T5G.pdf
- Description:
- IC INVERT SCHMITT 1CH 1IN SOT953
- Quantity:
- Payment:
- Shipping:
Inventory:2,003
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Product details
Overview
MC74VHC1G14P5T5G from onsemi is a single Schmitt-trigger inverter in SOT-953 package, designed for 2.0 V to 5.5 V operation with CMOS-level input thresholds, 4.0 ns typical propagation delay at 5 V, and ±8 mA output drive at 3.0 V - used for noise-immune signal conditioning in level-shifting interfaces between 3 V and 5 V systems.
For engineers reviewing the MC74VHC1G14P5T5G datasheet, pinout, applications, or equivalent options, key selection considerations include hysteresis voltage (0.30–0.50 V), over-voltage tolerance (up to 5.5 V on inputs/outputs), IOFF partial power-down support, and SOT-953 footprint compatibility with space-constrained industrial and automotive control modules.
Technical Context
The MC74VHC1G14P5T5G implements a three-stage buffered output architecture that delivers high noise immunity and stable logic transitions. Its Schmitt-trigger input provides defined hysteresis (VT+ = 2.2–3.85 V, VT− = 0.9–1.65 V at VCC = 3.0–5.5 V), enabling reliable operation in noisy environments.
Input and output structures tolerate voltages up to 5.5 V independent of supply, supporting mixed-voltage interfacing (e.g., 5 V sensor to 3 V MCU). IOFF functionality ensures low leakage (<10 µA) when VCC = 0 V, protecting downstream circuitry during hot insertion or partial power-down.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.0 V to 5.5 V - enables direct use across 3 V and 5 V logic domains without level shifters. |
| tPD (Typ) | 4.0 ns at VCC = 5 V, CL = 15 pF - supports high-speed signal inversion in timing-critical paths. |
| Hysteresis Voltage | 0.30–0.50 V (typ) - rejects noise spikes ≤500 mV on input signals, improving reliability in EMI-prone environments. |
| IOFF Leakage | <10 µA at VCC = 0 V - prevents back-driving and latch-up during system power sequencing. |
| Output Drive | ±8 mA at VCC = 3.0 V - sufficient to directly drive LEDs, small logic loads, or gate inputs without external buffers. |
| Over-Voltage Tolerance | Inputs/outputs rated to 5.5 V regardless of VCC - allows safe interfacing of 5 V peripherals to 3 V microcontrollers. |
| Operating Temp | −55 °C to +125 °C - qualified for under-hood automotive, industrial motor control, and outdoor embedded applications. |
Pinout & Package
SOT-953 (Case 527AE), 5-pin, 1.00 mm × 0.80 mm × 0.37 mm body, 0.35 mm pitch, Pb-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (A) | Schmitt-trigger inverter input; accepts 0–5.5 V signals regardless of VCC. |
| 2 | GND | Ground reference for all internal circuitry and output stage return path. |
| 3 | NC | No-connect terminal; must be left unconnected per datasheet pin assignment. |
| 4 | Output (Y) | Inverted, buffered output with ±8 mA drive capability and 5.5 V over-voltage tolerance. |
| 5 | VCC | Positive supply rail (2.0–5.5 V); powers internal logic and output buffer. |
Key Features
| Feature | Design Value |
|---|---|
| CMOS-level Schmitt trigger | VT+ = 2.2–3.85 V, VT− = 0.9–1.65 V - provides robust noise margin for slow-rising or noisy digital signals. |
| Over-voltage tolerant I/O | Input/output pins withstand 5.5 V even at VCC = 2.0 V - eliminates need for external clamping diodes in mixed-supply systems. |
| IOFF partial power-down | Leakage <10 µA when VCC = 0 V - enables safe hot-plug operation and preserves signal integrity during power gating. |
| Ultra-small SOT-953 | 1.00 mm × 0.80 mm footprint - saves PCB area in compact modules like battery management ICs and sensor nodes. |
| AEC-Q100 qualified option | −Q suffix variants available - meets automotive-grade reliability requirements for engine control, ADAS sensors, and body electronics. |
Applications
| Industrial Sensor Interface | Automotive Body Control |
|---|---|
Use Scenario: Converting noisy analog comparator outputs or mechanical switch bounce into clean digital logic for PLC input modules. IC Role / Device Role / Timing Role: Signal conditioner and noise filter; converts marginal edges into sharp, hysteresis-stabilized logic transitions. Use Value: Eliminates external RC debounce circuits and reduces firmware polling overhead by delivering glitch-free inputs to microcontrollers. |
Use Scenario: Interfacing 5 V door lock actuators or window motor drivers to 3.3 V body control unit (BCU) microcontrollers. IC Role / Device Role / Timing Role: Level-shifting inverter with over-voltage protection; isolates BCU I/O from higher-voltage actuator transients. Use Value: Prevents damage from load-dump spikes and simplifies design by removing discrete protection components. |
| Portable Medical Device | Smart Energy Metering |
Use Scenario: Debouncing tactile buttons and rotary encoder signals in handheld diagnostic tools operating from single-cell Li-ion batteries (2.7–4.2 V). IC Role / Device Role / Timing Role: Input signal conditioner; provides consistent edge timing despite varying supply voltage and contact bounce. Use Value: Ensures reliable user input detection across full battery discharge curve without recalibration or voltage monitoring. |
Use Scenario: Isolating pulse outputs from utility metering ICs (e.g., metrology ASICs) before feeding to isolated microcontroller GPIOs. IC Role / Device Role / Timing Role: Noise-immune pulse inverter; cleans high-impedance, long-trace meter pulses subject to EMI in distribution panels. Use Value: Reduces missed or false counts caused by electromagnetic interference in high-noise electrical substations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schmitt-trigger inverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G14DBVR | TTL-compatible input thresholds (VT+ ≈ 1.7 V), slightly higher ICC (max 10 µA vs. 40 µA), same SOT-23-5 footprint. | Better suited for 1.8 V–3.3 V only systems; lacks 5.5 V over-voltage tolerance on inputs. | Select when interfacing exclusively with low-voltage logic and board space permits SOT-23-5 instead of SOT-953. |
| 74AUP1G14GW,125 | Lower VCC range (0.8–3.6 V), ultra-low ICC (0.9 µA typ), smaller XSON-6 (1.2 × 1.0 mm) package. | Optimized for battery-powered IoT nodes; not suitable for 5 V interface or industrial temperature range. | Prefer for energy-sensitive wearables or wireless sensors where supply is ≤3.3 V and −40 °C operation is sufficient. |
Compared with SN74LVC1G14DBVR and 74AUP1G14GW,125, the MC74VHC1G14P5T5G uniquely supports 5 V-tolerant interfacing across −55 °C to +125 °C while fitting the smallest standard 5-pin logic package - making it optimal for rugged, mixed-voltage embedded control.
Availability
MC74VHC1G14P5T5G is available at Aetrix Electronics and suitable for industrial sensor interface, automotive body control, and portable medical device applications requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant alternatives.
Supply support for MC74VHC1G14P5T5G 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power management, analog, logic, and sensing solutions for automotive, industrial, and cloud infrastructure markets.
The MC74VHC1G14P5T5G belongs to the VHC logic family, engineered for high-speed, low-power, mixed-voltage interoperability in space-constrained embedded systems - particularly targeting noise-prone industrial controls and automotive subsystems.
FAQ
What is the input threshold behavior of the MC74VHC1G14P5T5G?
The MC74VHC1G14P5T5G features CMOS-level Schmitt-trigger inputs with positive threshold VT+ = 2.2–3.85 V and negative threshold VT− = 0.9–1.65 V (depending on VCC), providing 0.30–0.50 V hysteresis. This ensures clean switching in presence of slow edges or noise, and is distinct from TTL-threshold variants like the MC74VHC1GT14. The MC74VHC1G14P5T5G maintains these thresholds across its full −55 °C to +125 °C operating range.
Can the MC74VHC1G14P5T5G safely interface a 5 V sensor to a 3.3 V microcontroller?
Yes. The MC74VHC1G14P5T5G inputs and outputs tolerate up to 5.5 V regardless of VCC, allowing direct connection of 5 V sensor outputs to its input (Pin 1) while powering the device at 3.3 V (Pin 5). Its output (Pin 4) then drives the 3.3 V MCU GPIO within safe voltage limits. No external level-shifter or clamping diodes are required - a key design advantage confirmed in the datasheet's "Over-Voltage Tolerant I/O" specification.
What is the purpose of the NC pin (Pin 3) on the MC74VHC1G14P5T5G?
Pin 3 of the MC74VHC1G14P5T5G is a no-connect (NC) terminal, as defined in the SOT-953 pin assignment table on page 2 of the datasheet. It must remain unconnected on the PCB - neither tied to GND, VCC, nor any signal. This pin exists due to package pinout standardization across the VHC1G logic family and has no internal connection. Leaving it floating poses no functional or reliability risk.
Does the MC74VHC1G14P5T5G support partial power-down operation?
Yes. The MC74VHC1G14P5T5G includes IOFF circuitry that limits input/output leakage to <10 µA when VCC = 0 V, as specified in the DC Electrical Characteristics table. This enables safe operation during hot insertion, power sequencing, or partial system shutdown - preventing back-current flow and protecting upstream/downstream devices. This feature is active without external enable signals and requires no configuration.
Is the MC74VHC1G14P5T5G suitable for automotive applications?
The base MC74VHC1G14P5T5G is not AEC-Q100 qualified; however, onsemi offers automotive-grade variants with −Q suffix (e.g., MC74VHC1G14P5T5G-Q) that are AEC-Q100 Grade 1 qualified and PPAP capable. These versions undergo additional stress testing and process controls for under-hood and chassis applications. For non-automotive use, the standard MC74VHC1G14P5T5G operates reliably from −55 °C to +125 °C - meeting extended industrial temperature requirements.
MC74VHC1G14P5T5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74VHC
- Package/Case:
- SOT-953
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Inverter
- Number of Circuits:
- 1
- Number of Inputs:
- 1
- Features:
- Schmitt Trigger
- Voltage - Supply:
- 2V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 1.5V ~ 2.9V
- Input Logic Level - High:
- 2.2V ~ 3.85V
- Max Propagation Delay @ V, Max CL:
- 10.6ns @ 5V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-953
MC74VHC1G14P5T5G FAQ
1.How can I place an order for MC74VHC1G14P5T5G through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74VHC1G14P5T5G 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 MC74VHC1G14P5T5G reliable?
The price and inventory of MC74VHC1G14P5T5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74VHC1G14P5T5G is usually 5 days.
3.What payment methods are accepted for MC74VHC1G14P5T5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74VHC1G14P5T5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74VHC1G14P5T5G?
MC74VHC1G14P5T5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74VHC1G14P5T5G 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 MC74VHC1G14P5T5G?
For technical support, including MC74VHC1G14P5T5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74VHC1G14P5T5G requirements.
6.How does Aetrix verify that MC74VHC1G14P5T5G is sourced from the original manufacturer or authorized distributors?
All MC74VHC1G14P5T5G 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 MC74VHC1G14P5T5G meets industry standards.
7.What is the process for return or replacement of MC74VHC1G14P5T5G?
All MC74VHC1G14P5T5G units undergo pre-shipment inspection (PSI). If there is an issue with MC74VHC1G14P5T5G, 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 MC74VHC1G14P5T5G part is unused and in its original packaging.
Return procedure for MC74VHC1G14P5T5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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