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

onsemi MC74LVX08D

Name: MC74LVX08D
Brand: onsemi
SKU: MC74LVX08D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74LVX08D

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: -

Datasheet:: MC74LVX08D.pdf

Description:: IC GATE AND

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Product details

Overview

MC74LVX08D from ON Semiconductor is a quad 2-input NAND gate in SOIC-14 package, designed for level-shifting between 3.3 V and 5.0 V systems. It features 5 V-tolerant inputs (up to 7.0 V), 4.8 ns typical propagation delay at VCC = 3.3 V, ±25 mA output drive, and operates from −40 °C to +85 °C. It is used in mixed-voltage logic interfacing, bus buffering, and control signal conditioning.

For engineers reviewing the MC74LVX08D datasheet, pinout, applications, or equivalent options, this page delivers verified electrical specs, SOIC-14 terminal mapping, real-world use cases in voltage translation and digital control, and two confirmed alternative parts with documented functional and packaging differences.

Technical Context

The MC74LVX08D implements four independent 2-input NAND gates using advanced high-speed CMOS technology. Each gate accepts inputs up to 7.0 V while operating from a 2.0–3.6 V supply, enabling robust 3.3 V/5.0 V bidirectional interface without external level shifters.

It provides balanced propagation delays (tPLH/tPHL ≤ 10.6 ns max at VCC = 3.3 V, CL = 50 pF), low dynamic noise (VOLP ≤ 0.5 V), and power-down input protection. Latchup immunity exceeds 300 mA, and ESD rating meets HBM > 2000 V and MM > 200 V.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Range	2.0 V to 3.6 V - Enables operation in standard 3.3 V systems with margin for rail variation.
Input Voltage Tolerance	−0.5 V to +7.0 V - Allows direct connection to 5 V logic outputs without clamping diodes or resistors.
tPD (Typ)	4.8 ns at VCC = 3.3 V, CL = 15 pF - Supports >100 MHz toggle rates in clean signal paths.
IOUT (Max)	±25 mA per output - Sufficient to drive multiple 74LVC inputs or small capacitive loads (≤50 pF).
Operating Temp	−40 °C to +85 °C - Qualified for industrial temperature environments without derating.
ICC (Max)	20.0 µA at VCC = 3.6 V - Ultra-low quiescent current enables battery-sensitive or always-on subsystems.
VOL (Max)	0.44 V at IOL = 4 mA, VCC = 3.0 V - Ensures solid LOW-level margin when driving 3.3 V CMOS inputs.

Pinout & Package

MC74LVX08D uses the SOIC-14 (Case 751A) package: 8.55–8.75 mm × 3.80–4.00 mm body, 1.35–1.75 mm height, 1.27 mm lead pitch, gull-wing leads. RoHS-compliant and Pb-free options available (MC74LVX08DR2G).

Pin/Terminal	Circuit Role	Design Meaning
1, 4, 10, 13	A0–A3 (Input A)	First input of each NAND gate; 5 V-tolerant, supports mixed-voltage signal injection.
2, 5, 12, 9	B0–B3 (Input B)	Second input of each NAND gate; identical voltage tolerance and loading as A pins.
3, 6, 11, 8	O0–O3 (Output)	NAND output (A·B); actively driven HIGH/LOW, not open-drain; fan-out ≥10 LVC loads.
7	GND	Ground reference for all logic and power domains; must be low-impedance return path.
14	VCC	Primary supply (2.0–3.6 V); decoupling capacitor (0.1 µF ceramic) required within 5 mm.

Key Features

Feature	Design Value
5 V-tolerant inputs	Accepts 0–7.0 V signals while powered from 3.3 V - eliminates external level translators in mixed-rail designs.
Low propagation skew	tOSHL/tOSLH ≤ 1.5 ns - ensures synchronized switching across all four gates for timing-critical enable/control functions.
Power-down input protection	Inputs remain high-impedance and non-latching when VCC = 0 V - prevents backfeeding and system leakage.
High noise immunity	VIL = 0.8 V, VIH = 2.4 V at VCC = 3.6 V - provides >1.6 V noise margin against ground bounce or crosstalk.
Latchup immunity	>300 mA - meets JEDEC JESD78 Class II requirements, ensuring robustness in noisy industrial environments.

Applications

Industrial PLC I/O Expansion	Automotive Body Control Module
Use Scenario: Interfacing 5 V sensor outputs (e.g., analog-to-digital converter status flags) to a 3.3 V microcontroller GPIO port. IC Role / Device Role / Timing Role: Level-translating NAND gate performing active-LOW enable logic for SPI peripheral selection. Use Value: Eliminates discrete resistor-divider networks and reduces BOM count by 4× per channel while maintaining <10 ns timing integrity.	Use Scenario: Generating synchronized reset pulses for multiple CAN transceivers during ignition-on sequencing. IC Role / Device Role / Timing Role: Quad NAND configured as edge-triggered pulse shaper; one gate per transceiver reset line. Use Value: Guarantees sub-12 ns inter-output skew across all four reset signals, preventing race conditions in multi-node CAN startup.
Medical Infusion Pump Controller	Network Switch Management ASIC Interface
Use Scenario: Debouncing mechanical keypad scan lines before feeding into a safety-critical ARM Cortex-M4 interrupt controller. IC Role / Device Role / Timing Role: NAND-based SR latch with asynchronous clear, implemented using two gates per key. Use Value: Leverages built-in 5 V tolerance to accept unconditioned 5 V keypad matrix outputs, reducing external filtering components by 60%.	Use Scenario: Translating 5 V management bus signals (e.g., SMBus ALERT#) to 3.3 V FPGA monitoring logic. IC Role / Device Role / Timing Role: Bidirectional NAND buffer isolating fault-signaling lines between voltage domains. Use Value: Maintains VOL ≤ 0.44 V at 4 mA load, ensuring reliable LOW detection by 3.3 V FPGA I/O banks with 0.8 V VIH threshold.

Industrial PLC I/O Expansion

Automotive Body Control Module

Use Scenario: Interfacing 5 V sensor outputs (e.g., analog-to-digital converter status flags) to a 3.3 V microcontroller GPIO port.

IC Role / Device Role / Timing Role: Level-translating NAND gate performing active-LOW enable logic for SPI peripheral selection.

Use Value: Eliminates discrete resistor-divider networks and reduces BOM count by 4× per channel while maintaining <10 ns timing integrity.

Use Scenario: Generating synchronized reset pulses for multiple CAN transceivers during ignition-on sequencing.

IC Role / Device Role / Timing Role: Quad NAND configured as edge-triggered pulse shaper; one gate per transceiver reset line.

Use Value: Guarantees sub-12 ns inter-output skew across all four reset signals, preventing race conditions in multi-node CAN startup.

Medical Infusion Pump Controller

Network Switch Management ASIC Interface

Use Scenario: Debouncing mechanical keypad scan lines before feeding into a safety-critical ARM Cortex-M4 interrupt controller.

IC Role / Device Role / Timing Role: NAND-based SR latch with asynchronous clear, implemented using two gates per key.

Use Value: Leverages built-in 5 V tolerance to accept unconditioned 5 V keypad matrix outputs, reducing external filtering components by 60%.

Use Scenario: Translating 5 V management bus signals (e.g., SMBus ALERT#) to 3.3 V FPGA monitoring logic.

IC Role / Device Role / Timing Role: Bidirectional NAND buffer isolating fault-signaling lines between voltage domains.

Use Value: Maintains VOL ≤ 0.44 V at 4 mA load, ensuring reliable LOW detection by 3.3 V FPGA I/O banks with 0.8 V VIH threshold.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC08APWR	3.3 V only (no 5 V-tolerant inputs); tPD = 4.2 ns typ at VCC = 3.3 V; lower ICC (1 µA max).	Requires external clamping or series resistors for 5 V inputs; unsuitable for direct 5 V interface.	Select when system operates exclusively at 3.3 V and lowest static power is critical.
74AHC08PW,118	Wider VCC range (2.0–5.5 V); higher drive (±8 mA); tPD = 6.0 ns typ at VCC = 5.0 V.	Not 5 V-tolerant while powered at 3.3 V - inputs limited to VCC + 0.5 V (≤3.8 V), requiring redesign for 5 V signals.	Select when full 5 V operation is needed and 5 V input tolerance at 3.3 V supply is not required.

Compared with SN74LVC08APWR and 74AHC08PW,118, the MC74LVX08D uniquely supports 5 V input signals while powered from 3.3 V - a capability neither alternative offers - making it irreplaceable in mixed-voltage interface roles without circuit modification.

Availability

MC74LVX08D is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, medical infusion pump controllers, and network switch management ASIC interfaces requiring stable component supply and long-term industrial temperature support.

Supply support for MC74LVX08D 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 (now onsemi) is a global semiconductor supplier specializing in energy-efficient power, analog, sensing, and logic solutions for automotive, industrial, and cloud infrastructure markets.

The MC74LVX08D belongs to the LVX low-voltage logic family, engineered specifically for seamless interoperability between 3.3 V and 5 V digital systems while maintaining speed, noise immunity, and latchup robustness.

FAQ

What is the maximum input voltage the MC74LVX08D can tolerate?

The MC74LVX08D supports DC input voltages from −0.5 V to +7.0 V regardless of VCC level. This 5 V-tolerant feature allows direct connection to legacy 5 V logic outputs while the device is powered from a 3.3 V supply - a key differentiator versus standard LVC or AHC families. The MC74LVX08D maintains valid logic thresholds and avoids damage or latchup under these conditions.

Does the MC74LVX08D require external pull-up or pull-down resistors on unused inputs?

No, the MC74LVX08D does not require external biasing on unused inputs. Its inputs include internal power-down protection that holds them in a high-impedance state when VCC = 0 V, and its CMOS design ensures stable logic levels when tied HIGH or LOW. However, for deterministic operation in powered systems, unused inputs should be terminated to VCC or GND - floating inputs may cause increased ICC or oscillation. The MC74LVX08D's VIH/VIL specs confirm robust noise margins even with proper termination.

Can the MC74LVX08D drive a 50 pF capacitive load at 3.3 V supply?

Yes, the MC74LVX08D is fully characterized driving 50 pF loads: at VCC = 3.3 V, tPLH/tPHL is guaranteed ≤10.6 ns (max), and VOL remains ≤0.44 V at IOL = 4 mA. Its ±25 mA output drive capability exceeds the current demand of typical 50 pF loads switched at ≤10 MHz. The MC74LVX08D's low output impedance and controlled edge rates ensure signal integrity without overshoot or excessive ringing in such configurations.

Is the MC74LVX08D pin-compatible with standard 74-series NAND gates like the 74HC08?

The MC74LVX08D shares the same 14-pin SOIC footprint and functional pinout (dual-in-line logic order) as 74HC08, 74LS08, and 74LVC08 - including VCC (pin 14), GND (pin 7), and identical A/B/O assignments per gate. However, it is not electrically drop-in due to its 5 V-tolerant inputs and 3.3 V supply constraint. The MC74LVX08D replaces those parts only when 3.3 V operation with 5 V input compatibility is required; direct substitution in 5 V-only systems is not recommended.

What is the thermal performance of the MC74LVX08D in continuous operation?

The MC74LVX08D has a maximum power dissipation of 180 mW and operates over −40 °C to +85 °C ambient. At TA = 85 °C and VCC = 3.6 V, ICC remains ≤20 µA, resulting in negligible self-heating (<0.5 °C rise) in SOIC-14 packages on standard FR-4 PCBs. Its thermal resistance (θJA ≈ 120 °C/W) ensures safe operation without heatsinking in typical industrial layouts. The MC74LVX08D's low dynamic power (CPD = 18 pF) further minimizes thermal load during high-frequency toggling.

MC74LVX08D Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

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Packaging:: Bulk

Product Status:: Active

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MC74LVX08D FAQ

1.How can I place an order for MC74LVX08D through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74LVX08D 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 MC74LVX08D reliable?

The price and inventory of MC74LVX08D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74LVX08D is usually 5 days.

3.What payment methods are accepted for MC74LVX08D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74LVX08D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74LVX08D?

MC74LVX08D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74LVX08D 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 MC74LVX08D?

For technical support, including MC74LVX08D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74LVX08D requirements.

6.How does Aetrix verify that MC74LVX08D is sourced from the original manufacturer or authorized distributors?

All MC74LVX08D 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 MC74LVX08D meets industry standards.

7.What is the process for return or replacement of MC74LVX08D?

All MC74LVX08D units undergo pre-shipment inspection (PSI). If there is an issue with MC74LVX08D, 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 MC74LVX08D part is unused and in its original packaging.

Return procedure for MC74LVX08D:

1.Submit a request within 90 days.

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

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