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

STMicroelectronics 74LVX20MTR

Name: 74LVX20MTR
Brand: STMicroelectronics
SKU: 74LVX20MTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74LVX20MTR

Manufacturer:: STMicroelectronics

Category:: Gates and Inverters

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: 74LVX20MTR.pdf

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

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Inventory:1,771

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Product details

Overview

74LVX20MTR from STMicroelectronics is a low-voltage CMOS dual 4-input NAND gate with 5V-tolerant inputs, operating from 2V to 3.6V supply, delivering 4.1ns typical propagation delay at 3.3V, 4mA output drive, and 2µA max quiescent current - deployed in battery-powered 3.3V logic interfacing between 5V and 3V systems.

For engineers reviewing the 74LVX20MTR datasheet, 74LVX20MTR pinout, 74LVX20MTR application, or 74LVX20MTR equivalent, key selection criteria include 5V input tolerance, symmetrical 4mA I_OH/I_OL, low-noise 0.3V typical VOLP, balanced t_PLH/t_PHL, and SO-14 package compatibility with legacy 74-series footprints.

Technical Context

The device implements two independent 4-input NAND gates using sub-micron C2MOS technology with buffered outputs, enabling high noise immunity and stable switching across temperature ranges from –55°C to +125°C. Its input protection accepts 0–7V regardless of V_CC, supporting hot-swap and mixed-voltage domain interfacing.

All inputs feature power-down protection and 2kV ESD immunity; the internal three-stage structure includes input clamping diodes, logic core, and push-pull output stage - ensuring latch-up immunity and reliable operation under transient overvoltage conditions up to ±20mA.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2V to 3.6V - enables direct use in 3.3V systems with 1.2V data retention during sleep
t_PD (Typ)	4.1ns at V_CC = 3.3V - supports >100MHz toggle rates in clean 3.3V logic paths
I_OH/I_OL	±4mA min - drives standard TTL loads and multiple CMOS inputs without buffering
V_IL/V_IH	0.8V/2.0V at V_CC = 3V - ensures robust noise margins in noisy industrial environments
VOLP (Typ)	0.3V at V_CC = 3.3V - minimizes ground bounce in dense PCB layouts with simultaneous switching
ESD Rating	2kV HBM - eliminates need for external TVS on inputs in non-harsh ESD zones
Input Tolerance	0–7V independent of V_CC - allows safe connection to 5V buses without level shifters

Pinout & Package

74LVX20MTR uses a 14-pin SOIC (SO-14) package with 1.27mm pitch, 8.55–8.75mm body width, and tape-and-reel packaging per order code MTR.

Pin/Terminal	Circuit Role	Design Meaning
1, 9	1A, 2A	First input of Gate 1 and Gate 2 - accepts 0–7V signals regardless of V_CC
2, 10	1B, 2B	Second input of Gate 1 and Gate 2 - internally clamped for overvoltage resilience
3, 11	N.C.	No internal connection - must be left unconnected or tied to GND/V_CC per layout rules
4, 12	1C, 2C	Third input of Gate 1 and Gate 2 - supports full 5V-tolerant logic thresholds
5, 13	1D, 2D	Fourth input of Gate 1 and Gate 2 - enables 4-input NAND function per gate
6, 8	1Y, 2Y	Active-low outputs - deliver symmetrical rise/fall times and 4mA drive capability
7	GND	Logic ground reference - requires low-inductance connection to minimize switching noise
14	V_CC	Positive supply - decoupling capacitor (100nF) mandatory within 5mm of pin

Key Features

Feature	Design Value
5V-tolerant inputs	Accepts 0–7V input voltage irrespective of V_CC level - enables direct 5V-to-3.3V interface without external components
Symmetrical output drive	\|I_OH\| = I_OL ≥ 4mA - ensures matched rise/fall timing critical for clock distribution and bus control
Low dynamic noise	VOLP = 0.3V (typ) at 3.3V - reduces ground bounce in multi-gate logic arrays and high-density routing
Enhanced latch-up immunity	Qualified per JEDEC JESD78 - withstands sustained overstress without destructive latch-up in industrial temperature range
Power-down input protection	Inputs remain high-impedance and non-latching when V_CC = 0V - prevents backfeeding and system-level fault propagation

Applications

Industrial PLC I/O Modules

Portable Medical Instrumentation

Use Scenario: Level translation between 5V sensor front-ends and 3.3V microcontroller ADC trigger logic in modular I/O racks.

IC Role / Device Role / Timing Role: Dual NAND gate performs active-low enable decoding and signal conditioning for isolated digital inputs.

Use Value: Eliminates discrete level-shifter ICs while maintaining 4.1ns timing precision and 2µA standby current for low-power sleep modes.

Use Scenario: Battery-powered handheld ECG monitor requiring ultra-low quiescent current and noise-immune digital control sequencing.

IC Role / Device Role / Timing Role: Generates synchronized reset pulses and channel-select strobes for analog front-end multiplexing.

Use Value: 2µA max ICC at 25°C extends battery life; 0.3V VOLP ensures clean triggering of precision analog switches without false triggers.

Automotive Body Control Units

Communications Baseband Processing

Use Scenario: Interfacing legacy 5V CAN transceiver status lines to 3.3V MCU GPIOs in door module ECUs.

IC Role / Device Role / Timing Role: Logic-level translator and signal combiner for fault flag aggregation and wake-up event generation.

Use Value: 5V-tolerant inputs tolerate automotive load-dump transients; –55°C to +125°C rating meets AEC-Q100 Grade 2 requirements.

Use Scenario: Glue logic in FPGA-based baseband processor for LTE small-cell radio, managing clock gating and interrupt arbitration.

IC Role / Device Role / Timing Role: Dual NAND implements synchronous enable logic for RF front-end power domains and memory access control.

Use Value: Balanced t_PLH/t_PHL ensures deterministic setup/hold timing; SO-14 footprint simplifies PCB reuse across generations.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual 4-input NAND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC20APWR	Lower V_CC min (1.65V), higher I_OL (24mA), no 7V input tolerance	Requires external clamping for >5V inputs; better suited for 1.8V–3.3V-only systems	Select when operating below 2V or driving heavy capacitive loads (>50pF)
74AHC20PW	Wider V_CC range (2–5.5V), faster t_PD (3.5ns), but only 5.5V input tolerant	Lacks 7V absolute input rating - unsuitable for hot-swap or unregulated 5V bus interfaces	Choose for highest speed in 3.3V/5V mixed designs where input overvoltage risk is controlled

Compared with SN74LVC20APWR and 74AHC20PW, the 74LVX20MTR uniquely combines 7V input tolerance, 2µA quiescent current, and SO-14 footprint - making it optimal for legacy-compatible, ultra-low-power, mixed-voltage industrial interfaces where reliability under overvoltage stress is critical.

Availability

74LVX20MTR is available at Aetrix Electronics and suitable for industrial PLC I/O modules, portable medical instrumentation, and automotive body control units requiring stable component supply, long-term lifecycle support, and RoHS-compliant SO-14 packaging.

Supply support for 74LVX20MTR 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing silicon solutions for automotive, industrial, and consumer markets with emphasis on energy efficiency and reliability.

The 74LVX series targets low-voltage, low-power 3.3V logic applications requiring 5V-tolerant interfacing, extended temperature operation, and drop-in compatibility with legacy 74-series functions.

FAQ

Can 74LVX20MTR operate with V_CC = 1.8V?

No. The specified minimum operating V_CC is 2.0V per Table 5. At 1.8V, VIH/VIL thresholds are not guaranteed, propagation delay increases significantly, and output drive falls below 4mA specification. Operation below 2.0V may result in metastability or functional failure.

Are pins 3 and 11 (N.C.) required to be grounded?

No. Pins 3 and 11 are internally unconnected and must remain floating or be tied to GND/V_CC only if required by board-level EMI mitigation practices. STMicroelectronics explicitly states they have no internal connection - grounding them provides no electrical benefit and may increase parasitic capacitance.

Does 74LVX20MTR support hot-swap insertion while V_CC is powered?

Yes. Input protection circuitry allows 0–7V on any input pin regardless of V_CC state, including V_CC = 0V. This enables safe hot-plug operation in backplane or modular systems where signal lines may be energized before power rails stabilize.

What is the maximum capacitive load this device can drive reliably?

The AC characteristics table specifies performance up to 50pF load capacitance with t_PD ≤ 12.0ns at 3.3V. Driving >50pF will increase propagation delay nonlinearly and may exceed VOLP/V OH specifications; for loads >50pF, add series termination or buffer stages per layout validation.

74LVX20MTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: 74LVX

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Logic Type:: NAND Gate

Number of Circuits:: 2

Number of Inputs:: 4

Features:: -

Voltage - Supply:: 2V ~ 3.6V

Current - Quiescent (Max):: 2 µA

Current - Output High, Low:: 4mA, 4mA

Input Logic Level - Low:: 0.5V ~ 0.8V

Input Logic Level - High:: 1.5V ~ 2.4V

Max Propagation Delay @ V, Max CL:: 9.7ns @ 3.3V, 50pF

Operating Temperature:: -55°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SO

74LVX20MTR FAQ

1.How can I place an order for 74LVX20MTR through Aetrix?

Please submit a Request for Quotation (RFQ) for 74LVX20MTR 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 74LVX20MTR reliable?

The price and inventory of 74LVX20MTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVX20MTR is usually 5 days.

3.What payment methods are accepted for 74LVX20MTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVX20MTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74LVX20MTR?

74LVX20MTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74LVX20MTR 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 74LVX20MTR?

For technical support, including 74LVX20MTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVX20MTR requirements.

6.How does Aetrix verify that 74LVX20MTR is sourced from the original manufacturer or authorized distributors?

All 74LVX20MTR 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 74LVX20MTR meets industry standards.

7.What is the process for return or replacement of 74LVX20MTR?

All 74LVX20MTR units undergo pre-shipment inspection (PSI). If there is an issue with 74LVX20MTR, 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 74LVX20MTR part is unused and in its original packaging.

Return procedure for 74LVX20MTR:

1.Submit a request within 90 days.

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

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