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

onsemi MC74LVX132D

Name: MC74LVX132D
Brand: onsemi
SKU: MC74LVX132D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74LVX132D

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: -

Datasheet:: MC74LVX132D.pdf

Description:: IC GATE NAND

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Product details

Overview

MC74LVX132D from ON Semiconductor is a quad 2-input NAND Schmitt trigger IC in 14-lead SOIC package, operating at 2.0–3.6 V supply, with 5.8 ns typical propagation delay (V_CC = 3.3 V), ±0.1 µA input leakage, and 7 V tolerant inputs enabling 3 V/5 V mixed-voltage interfacing in noise-prone industrial control signal conditioning circuits.

For engineers reviewing the MC74LVX132D datasheet, pinout, applications, or equivalent options, key selection criteria include Schmitt-trigger hysteresis (0.30–1.60 V), rail-to-rail input voltage tolerance (0–5.5 V), low-noise output switching (V_OLP ≤ 0.5 V), and compatibility with LVX logic family timing and drive requirements.

Technical Context

The MC74LVX132D implements four independent Schmitt-trigger NAND gates using silicon-gate CMOS technology, each with asymmetric input thresholds (V_T+ = 1.15–2.60 V, V_T− = 0.30–1.90 V) to provide 0.30–1.60 V hysteresis. Its buffer-output stage delivers high noise immunity and stable logic transitions under slow-rising or noisy input signals.

Input protection includes power-down safe clamping diodes and 7 V absolute maximum input voltage rating, allowing direct interface between 3.3 V logic and legacy 5 V systems without level shifters. Latch-up immunity exceeds 300 mA per I/O, meeting JEDEC JESD78 requirements.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	2.0–3.6 V - Enables operation in modern low-voltage embedded systems while maintaining backward compatibility with 3.3 V infrastructure.
Propagation Delay	5.8 ns (typ) at V_CC = 3.3 V, CL = 15 pF - Supports high-speed digital signal conditioning up to ~100 MHz clock-equivalent edge rates.
Hysteresis Voltage	0.30–1.60 V (V_H) - Rejects noise spikes ≤1.6 V peak-to-peak on input lines, critical for reliable switch debouncing or sensor signal cleanup.
Input Voltage Range	0–5.5 V - Permits direct connection to 5 V sources (e.g., microcontroller GPIO, legacy peripherals) without external resistors or translators.
Quiescent Current	2 µA (max) at T_A = 25°C - Minimizes standby power in battery-backed or energy-sensitive applications such as remote sensors.
Output Drive	±4 mA (I_OH/I_OL) - Sufficient to drive multiple standard CMOS inputs or small capacitive loads (<50 pF) without buffering.
ESD Rating	HBM > 2000 V - Ensures robust handling during PCB assembly and field service in uncontrolled electrostatic environments.

Pinout & Package

MC74LVX132D is housed in a 14-lead SOIC (Small Outline Integrated Circuit) package, case 751A, with standard 1.27 mm pitch and gull-wing leads. The package supports surface-mount reflow and is RoHS-compliant.

Pin/Terminal	Circuit Role	Design Meaning
1, 4, 9, 12	A Input (Gate 1–4)	Schmitt-triggered NAND input A; accepts 0–5.5 V, provides hysteresis for noise rejection.
2, 5, 8, 13	B Input (Gate 1–4)	Schmitt-triggered NAND input B; identical electrical behavior to A pins.
3, 6, 10, 11	Y Output (Gate 1–4)	CMOS-compatible buffered output; drives high/low with rail-aligned VOH/VOL.
7	GND	Ground reference for all internal circuitry and I/O; must be connected to system common ground plane.
14	V_CC	Positive supply rail (2.0–3.6 V); decoupling capacitor (0.1 µF) required within 5 mm of this pin.

Key Features

Feature	Design Value
Quad Schmitt NAND Function	Four independent 2-input NAND gates with built-in hysteresis eliminate need for external RC networks in signal squaring or noise filtering.
7 V Input Tolerance	Allows direct interfacing with 5 V logic outputs while powered from 3.3 V, reducing BOM count and layout complexity in mixed-voltage systems.
Low Dynamic Noise (V_OLP ≤ 0.5 V)	Minimizes crosstalk-induced glitches on adjacent traces or shared power rails during output transitions.
Power-Down Input Protection	Inputs remain high-impedance and non-latching when V_CC = 0 V, preventing back-powering or latch-up during hot-swap or partial-power-down sequences.
Latch-Up Immunity > 300 mA	Guarantees robustness against transient overvoltage events on I/O lines in industrial environments with EMI or inductive load switching.

Applications

Switch Debouncing	Sensor Signal Conditioning
Use Scenario: Mechanical pushbutton or rotary encoder outputs generate contact bounce with 1–10 ms erratic transitions. IC Role / Device Role / Timing Role: MC74LVX132D acts as a hardware-level debouncer by converting noisy edges into clean, monotonic logic transitions via Schmitt-trigger hysteresis. Use Value: Eliminates need for software debounce delays or external RC filters, reducing MCU firmware overhead and improving real-time response.	Use Scenario: Analog output from temperature or proximity sensors exhibits slow ramping and EMI-induced ripple before ADC sampling. IC Role / Device Role / Timing Role: MC74LVX132D squares up analog waveforms into precise digital logic levels, synchronizing sensor data acquisition timing. Use Value: Enables reliable edge-triggered interrupt generation and deterministic state detection in low-cost sensor nodes.
Level Translation Interface	Noise-Immune Clock Distribution
Use Scenario: Microcontroller running at 3.3 V must read status signals from 5 V industrial PLC modules. IC Role / Device Role / Timing Role: MC74LVX132D serves as a unidirectional level translator, accepting 5 V inputs while driving 3.3 V–compatible outputs. Use Value: Avoids dedicated level-shifter ICs or resistor-divider networks, simplifying design and improving signal integrity.	Use Scenario: Clock signals distributed across long PCB traces pick up ground bounce and RF coupling in motor-drive subsystems. IC Role / Device Role / Timing Role: MC74LVX132D reshapes degraded clock edges using Schmitt-trigger action to restore rise/fall monotonicity and jitter margin. Use Value: Maintains setup/hold timing margins for downstream flip-flops or serial peripherals without adding PLL-based reclocking.

Switch Debouncing

Sensor Signal Conditioning

Use Scenario: Mechanical pushbutton or rotary encoder outputs generate contact bounce with 1–10 ms erratic transitions.

IC Role / Device Role / Timing Role: MC74LVX132D acts as a hardware-level debouncer by converting noisy edges into clean, monotonic logic transitions via Schmitt-trigger hysteresis.

Use Value: Eliminates need for software debounce delays or external RC filters, reducing MCU firmware overhead and improving real-time response.

Use Scenario: Analog output from temperature or proximity sensors exhibits slow ramping and EMI-induced ripple before ADC sampling.

IC Role / Device Role / Timing Role: MC74LVX132D squares up analog waveforms into precise digital logic levels, synchronizing sensor data acquisition timing.

Use Value: Enables reliable edge-triggered interrupt generation and deterministic state detection in low-cost sensor nodes.

Level Translation Interface

Noise-Immune Clock Distribution

Use Scenario: Microcontroller running at 3.3 V must read status signals from 5 V industrial PLC modules.

IC Role / Device Role / Timing Role: MC74LVX132D serves as a unidirectional level translator, accepting 5 V inputs while driving 3.3 V–compatible outputs.

Use Value: Avoids dedicated level-shifter ICs or resistor-divider networks, simplifying design and improving signal integrity.

Use Scenario: Clock signals distributed across long PCB traces pick up ground bounce and RF coupling in motor-drive subsystems.

IC Role / Device Role / Timing Role: MC74LVX132D reshapes degraded clock edges using Schmitt-trigger action to restore rise/fall monotonicity and jitter margin.

Use Value: Maintains setup/hold timing margins for downstream flip-flops or serial peripherals without adding PLL-based reclocking.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LV86AD	Quad 2-input XOR (not NAND), no Schmitt inputs, 2.0–5.5 V supply, 7.5 ns t_PD.	Cannot replace MC74LVX132D in NAND logic or noise-rejection roles; suitable only where XOR function and no hysteresis are acceptable.	Select only if logic function matches and input noise immunity is not required.
74LVC132PW	Quad NAND Schmitt trigger, 1.65–3.6 V supply, 5.2 ns t_PD, TSSOP-14 package, lower hysteresis (0.2–0.8 V).	Compatible functional replacement but narrower hysteresis range reduces noise margin in high-EMI settings; requires PCB footprint change.	Prefer for new designs needing faster propagation or smaller footprint; verify hysteresis sufficiency for target noise environment.

Compared with SN74LV86AD and 74LVC132PW, the MC74LVX132D uniquely combines 7 V input tolerance, wide hysteresis (up to 1.6 V), and SOIC packaging-making it optimal for legacy-system interfacing and harsh industrial signal conditioning where robustness outweighs speed or size.

Availability

MC74LVX132D is available at Aetrix Electronics and suitable for industrial control panels, sensor interface modules, and embedded human-machine interface (HMI) systems requiring stable component supply, long-term obsolescence management, and consistent parametric performance across temperature extremes.

Supply support for MC74LVX132D 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

ON Semiconductor is a global semiconductor manufacturer specializing in energy-efficient power management, signal processing, and logic solutions for automotive, industrial, and cloud infrastructure markets.

The MC74LVX132D belongs to the LVX ultra-low-voltage logic family, designed specifically for mixed-signal embedded systems requiring robust noise immunity, wide input voltage tolerance, and seamless integration between legacy and next-generation 3.3 V platforms.

FAQ

What is the maximum input voltage the MC74LVX132D can tolerate?

The MC74LVX132D supports DC input voltages up to 7.0 V, as specified in its Absolute Maximum Ratings table. This allows safe interfacing with 5 V logic sources while operating from a 3.3 V supply, eliminating the need for external level-shifting components in mixed-voltage designs. The MC74LVX132D maintains full functionality and reliability within this extended input range under recommended operating conditions.

Does the MC74LVX132D require external pull-up or pull-down resistors on unused inputs?

No - unused inputs on the MC74LVX132D must not be left floating, but they do not require external resistors if tied directly to V_CC or GND. The device's input structure includes internal protection diodes and defined threshold levels; connecting idle inputs to valid logic states ensures predictable NAND gate behavior and prevents increased ICC or metastability. This requirement is explicitly stated in Note 5 of the Recommended Operating Conditions section.

Can the MC74LVX132D operate reliably at 125°C ambient temperature?

Yes - the MC74LVX132D is rated for operation from −40°C to +125°C ambient temperature (T_A). All DC and AC electrical characteristics, including propagation delay, hysteresis voltage, and output drive strength, are guaranteed across this full industrial temperature range. Thermal resistance (θ_JA = 250°C/W for SOIC) and power dissipation limits ensure safe operation at maximum junction temperature (150°C) under typical board layouts.

What is the typical hysteresis voltage of the MC74LVX132D at 3.3 V supply?

At V_CC = 3.3 V, the MC74LVX132D exhibits a typical hysteresis voltage (V_H) of 0.76 V, calculated as the difference between typical positive (V_T+ = 1.82 V) and negative (V_T− = 1.06 V) input thresholds. This value is confirmed in the DC Electrical Characteristics table and enables effective rejection of noise transients up to ±0.38 V around the switching point, making the MC74LVX132D especially effective in electrically noisy environments.

Is the MC74LVX132D pin-compatible with the standard MC74LVX00 quad NAND gate?

Yes - the MC74LVX132D shares identical pin configuration and function with the MC74LVX00, differing only in input-stage hysteresis. Both devices use the same 14-pin SOIC layout (pins 1–14 assigned identically to A1/B1/Y1 through A4/B4/Y4, V_CC, and GND), enabling drop-in replacement in existing designs where enhanced noise immunity is needed without PCB modification. This compatibility is explicitly stated in the product preview section of the datasheet.

MC74LVX132D Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

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Number of Inputs:: -

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Voltage - Supply:: -

Current - Quiescent (Max):: -

Current - Output High, Low:: -

Input Logic Level - Low:: -

Input Logic Level - High:: -

Max Propagation Delay @ V, Max CL:: -

Operating Temperature:: -

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MC74LVX132D FAQ

1.How can I place an order for MC74LVX132D through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74LVX132D 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 MC74LVX132D reliable?

The price and inventory of MC74LVX132D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74LVX132D is usually 5 days.

3.What payment methods are accepted for MC74LVX132D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74LVX132D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74LVX132D?

MC74LVX132D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74LVX132D 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 MC74LVX132D?

For technical support, including MC74LVX132D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74LVX132D requirements.

6.How does Aetrix verify that MC74LVX132D is sourced from the original manufacturer or authorized distributors?

All MC74LVX132D 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 MC74LVX132D meets industry standards.

7.What is the process for return or replacement of MC74LVX132D?

All MC74LVX132D units undergo pre-shipment inspection (PSI). If there is an issue with MC74LVX132D, 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 MC74LVX132D part is unused and in its original packaging.

Return procedure for MC74LVX132D:

1.Submit a request within 90 days.

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

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