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

onsemi 74LCX00MTC

Name: 74LCX00MTC
Brand: onsemi
SKU: 74LCX00MTC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74LCX00MTC

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: 14-TSSOP (0.173", 4.40mm Width)

Datasheet:: 74LCX00MTC.pdf

Description:: IC GATE NAND 4CH 2-INP 14TSSOP

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Product details

Overview

74LCX00MTC from ON Semiconductor is a low-voltage quad 2-input NAND gate with 5V-tolerant inputs, designed for level-shifting between 3.3V and 5V logic domains. It operates from 2.3V to 3.6V V_CC, delivers ≤5.2ns propagation delay at 3.3V, supports ±24mA output drive, and features power-down high-impedance I/O for bus-hold compatibility in mixed-voltage systems.

For engineers reviewing the 74LCX00MTC datasheet, pinout, applications, or equivalent options, this device is critical for voltage translation in FPGA I/O expansion, microcontroller peripheral interfacing, and legacy 5V-to-modern 3.3V system integration where input overvoltage resilience and low static current (<10µA) are required.

Technical Context

The 74LCX00MTC implements four independent NAND gates using advanced CMOS process technology optimized for speed-power trade-off at sub-3.6V supply. Its input structure includes integrated clamping diodes enabling safe operation with VI up to 7V - essential for bidirectional 5V-tolerant signaling without external resistors.

All outputs exhibit rail-to-rail swing under load (V_OH ≥ V_CC–0.2V, V_OL ≤ 0.55V at 24mA), and the device meets JEDEC 78 latch-up immunity (>250mA). Input leakage remains ≤±5.0µA across full temperature range (–40°C to +85°C), supporting reliable operation in battery-powered and thermally constrained environments.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2.3V–3.6V operating supply - enables direct use in 3.3V systems without regulators or level shifters.
Input Voltage Tolerance	Up to 7V DC - allows safe connection to 5V buses without external protection circuitry.
t_PD Max	5.2ns at V_CC = 3.3V, CL = 50pF - supports >100MHz toggle rates in combinatorial logic paths.
I_OH/I_OL	±24mA at V_CC = 3.0V - drives multiple LVTTL or LVCMOS loads without fanout buffers.
I_CC Max	10µA quiescent current - minimizes standby power in always-on control logic and IoT edge nodes.
Operating Temperature	–40°C to +85°C - qualified for industrial-grade embedded applications including motor control and PLC I/O modules.

Pinout & Package

74LCX00MTC is housed in a 14-lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153 compliant, 4.4mm wide, with 0.65mm lead pitch. The package supports automated SMT assembly and offers improved thermal performance over standard SOIC.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 4, 5, 8, 9, 11, 12	NAND Inputs (A1/B1, A2/B2, A3/B3, A4/B4)	Four independent 2-input NAND gate inputs; each tolerant to 7V regardless of V_CC.
3, 6, 10, 13	NAND Outputs (Y1, Y2, Y3, Y4)	Active-low open-drain compatible outputs with rail-to-rail swing and ±24mA drive capability.
7	GND	Ground reference for all logic and power domains; must be low-impedance for noise immunity.
14	V_CC	Primary supply pin; powers internal logic and output drivers; decoupling capacitor required near pin.

Key Features

Feature	Design Value
5V-tolerant inputs	Enables seamless interface between 5V legacy peripherals and 3.3V microcontrollers without external resistors or translators.
Power-down high-impedance I/O	Inputs and outputs enter Hi-Z state when V_CC = 0V - prevents back-driving and bus contention during power sequencing.
Low dynamic power dissipation	CPD = 25pF at 10MHz - reduces switching current and EMI in high-density digital boards.
Latch-up immunity	Exceeds JEDEC 78 Class II (≥250mA) - ensures robustness against transient-induced latch-up in noisy industrial environments.
ESD protection	Human Body Model > 2000V - eliminates need for external ESD protection on board-level I/O lines.

Applications

Industrial PLC I/O Expansion	FPGA Configuration Interface
Use Scenario: Interfacing 5V discrete sensors and relays to a 3.3V FPGA-based controller in programmable logic controllers. IC Role / Device Role / Timing Role: Level-shifting NAND logic for address decoding and enable signal conditioning prior to FPGA input pins. Use Value: Eliminates need for discrete resistor dividers or dedicated level translators, reducing BOM count and PCB area by 30% per channel.	Use Scenario: Generating active-low configuration enable signals for parallel flash memory used in FPGA bitstream loading. IC Role / Device Role / Timing Role: Combinatorial NAND gate providing synchronized, glitch-free /CONFIG_EN assertion based on two status flags. Use Value: Propagation delay ≤5.2ns ensures setup/hold timing margins are maintained across temperature for reliable bitstream initialization.
USB-to-Parallel Bridge Logic	Automotive Body Control Module
Use Scenario: Translating 5V printer handshake signals (BUSY, ACK) into 3.3V domain for USB bridge IC communication. IC Role / Device Role / Timing Role: Bidirectional voltage translator implemented via NAND-based logic inversion and buffering. Use Value: 7V input tolerance prevents damage from overshoot on long cables; ±24mA drive sustains signal integrity over 15cm traces.	Use Scenario: Implementing door lock actuator enable logic that combines ignition status and key-fob signal in 12V automotive body domain. IC Role / Device Role / Timing Role: NAND gate performing safety interlock function - only activates actuator when both conditions are met. Use Value: –40°C to +85°C rating and latch-up immunity ensure reliability in under-hood and cabin-mounted ECUs exposed to thermal cycling.

Industrial PLC I/O Expansion

FPGA Configuration Interface

Use Scenario: Interfacing 5V discrete sensors and relays to a 3.3V FPGA-based controller in programmable logic controllers.

IC Role / Device Role / Timing Role: Level-shifting NAND logic for address decoding and enable signal conditioning prior to FPGA input pins.

Use Value: Eliminates need for discrete resistor dividers or dedicated level translators, reducing BOM count and PCB area by 30% per channel.

Use Scenario: Generating active-low configuration enable signals for parallel flash memory used in FPGA bitstream loading.

IC Role / Device Role / Timing Role: Combinatorial NAND gate providing synchronized, glitch-free /CONFIG_EN assertion based on two status flags.

Use Value: Propagation delay ≤5.2ns ensures setup/hold timing margins are maintained across temperature for reliable bitstream initialization.

USB-to-Parallel Bridge Logic

Automotive Body Control Module

Use Scenario: Translating 5V printer handshake signals (BUSY, ACK) into 3.3V domain for USB bridge IC communication.

IC Role / Device Role / Timing Role: Bidirectional voltage translator implemented via NAND-based logic inversion and buffering.

Use Value: 7V input tolerance prevents damage from overshoot on long cables; ±24mA drive sustains signal integrity over 15cm traces.

Use Scenario: Implementing door lock actuator enable logic that combines ignition status and key-fob signal in 12V automotive body domain.

IC Role / Device Role / Timing Role: NAND gate performing safety interlock function - only activates actuator when both conditions are met.

Use Value: –40°C to +85°C rating and latch-up immunity ensure reliability in under-hood and cabin-mounted ECUs exposed to thermal cycling.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC00APW	Same 14-pin TSSOP package; V_CC = 1.65–3.6V; input tolerance limited to V_CC + 0.5V (no 5V tolerance).	Requires external clamping or series resistors when interfacing to 5V sources - adds component count and layout complexity.	Select when system operates strictly within 3.3V domain and cost sensitivity outweighs design simplicity.
74ALVC00MTCX	Higher speed (t_PD ≤ 3.3ns), same 5V-tolerant inputs, but ICC max = 40µA - doubles quiescent current vs. 74LCX00MTC.	Better suited for high-frequency clock distribution; less optimal for battery-backed or ultra-low-power sleep modes.	Select when propagation delay is critical and power budget allows >3× higher static current.

Compared with SN74LVC00APW and 74ALVC00MTCX, the 74LCX00MTC uniquely balances 5V input tolerance, sub-10µA quiescent current, and industrial temperature range - making it the preferred choice for mixed-voltage control logic where reliability and power efficiency are co-prioritized.

Availability

74LCX00MTC is available at Aetrix Electronics and suitable for industrial automation, FPGA peripheral interfacing, and automotive body electronics requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LCX00MTC 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, analog, logic, and sensor solutions for automotive, industrial, and cloud infrastructure markets.

The 74LCX00MTC belongs to the LCX family of low-voltage, 5V-tolerant logic devices engineered specifically for voltage translation and mixed-signal interface applications in space-constrained, thermally demanding systems.

FAQ

What is the maximum input voltage the 74LCX00MTC can safely accept?

The 74LCX00MTC accepts DC input voltages up to 7.0V regardless of V_CC level, verified per Absolute Maximum Ratings in the Fairchild/ON Semiconductor datasheet Rev. 1.7.1. This 5V-tolerant capability enables direct connection to legacy 5V buses without external protection components, and applies to all 8 input pins (1, 2, 4, 5, 8, 9, 11, 12) of the 74LCX00MTC.

Does the 74LCX00MTC support hot insertion or live swapping?

Yes - the 74LCX00MTC features power-down high-impedance inputs and outputs, meaning all I/O pins enter Hi-Z state when V_CC = 0V. This behavior prevents back-driving and bus contention during hot-plug events, making the 74LCX00MTC suitable for modular backplane designs and field-replaceable I/O cards where the 74LCX00MTC may be inserted while system power remains active.

What is the recommended decoupling for the 74LCX00MTC?

A 0.1µF ceramic capacitor placed within 2mm of the V_CC (pin 14) and GND (pin 7) is mandatory per datasheet guidelines. For boards with multiple 74LCX00MTC devices or high-speed switching, add a bulk 4.7µF tantalum or polymer capacitor per 5–10 units. This ensures stable V_CC regulation and suppresses simultaneous switching noise that could degrade the 74LCX00MTC's 5.2ns propagation delay consistency.

Can the 74LCX00MTC drive LED indicators directly?

Yes - with V_CC = 3.3V, the 74LCX00MTC delivers up to 24mA sink current per output (pin 3, 6, 10, or 13), sufficient to drive standard 2mA–20mA LEDs. Use a series current-limiting resistor calculated as R = (V_CC – V_F) / I_LED; for a red LED (V_F ≈ 1.8V) at 10mA, R = (3.3 – 1.8)/0.01 = 150Ω. Confirm V_OL ≤ 0.55V at load to ensure adequate LED forward bias - verified in the 74LCX00MTC AC Electrical Characteristics table.

Is the 74LCX00MTC pin-compatible with other 74-series TSSOP NAND gates?

The 74LCX00MTC shares identical pinout (JEDEC MO-153, 14-lead TSSOP) with industry-standard 74LVC00, 74ALVC00, and 74LVX00 variants - all follow the same logic assignment: inputs on pins 1/2, 4/5, 8/9, 11/12 and outputs on pins 3, 6, 10, 13. However, functional substitution requires verification of input tolerance and drive strength, as only the 74LCX00MTC guarantees 7V input rating among common TSSOP NANDs.

74LCX00MTC Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74LCX

Package/Case:: 14-TSSOP (0.173", 4.40mm Width)

Packaging:: Tube

Product Status:: Obsolete

Logic Type:: NAND Gate

Number of Circuits:: 4

Number of Inputs:: 2

Features:: -

Voltage - Supply:: 2V ~ 3.6V

Current - Quiescent (Max):: 10 µA

Current - Output High, Low:: 24mA, 24mA

Input Logic Level - Low:: 0.7V ~ 0.8V

Input Logic Level - High:: 1.7V ~ 2V

Max Propagation Delay @ V, Max CL:: 5.2ns @ 3.3V, 50pF

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-TSSOP

74LCX00MTC FAQ

1.How can I place an order for 74LCX00MTC through Aetrix?

Please submit a Request for Quotation (RFQ) for 74LCX00MTC 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 74LCX00MTC reliable?

The price and inventory of 74LCX00MTC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LCX00MTC is usually 5 days.

3.What payment methods are accepted for 74LCX00MTC?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LCX00MTC transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74LCX00MTC?

74LCX00MTC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74LCX00MTC 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 74LCX00MTC?

For technical support, including 74LCX00MTC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LCX00MTC requirements.

6.How does Aetrix verify that 74LCX00MTC is sourced from the original manufacturer or authorized distributors?

All 74LCX00MTC 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 74LCX00MTC meets industry standards.

7.What is the process for return or replacement of 74LCX00MTC?

All 74LCX00MTC units undergo pre-shipment inspection (PSI). If there is an issue with 74LCX00MTC, 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 74LCX00MTC part is unused and in its original packaging.

Return procedure for 74LCX00MTC:

1.Submit a request within 90 days.

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

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