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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

NXP Semiconductors 74AHC241D,118

Name: 74AHC241D,118
Brand: NXP Semiconductors
SKU: 74AHC241D,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74AHC241D,118

Manufacturer:: NXP Semiconductors

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 20-SOIC (0.295", 7.50mm Width)

Datasheet:: 74AHC241D,118.pdf

Description:: IC BUFFER NON-INVERT 5.5V 20SO

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Product details

Overview

74AHC241D,118 from Nexperia is an 8-bit CMOS buffer/line driver with dual 3-state outputs and overvoltage-tolerant inputs, operating from 2.0 V to 5.5 V supply. It functions as two independent 4-bit buffers (Group 1: A0–A3 → Y0–Y3; Group 2: A0–A3 → Y0–Y3) with separate active-low (1OE) and active-high (2OE) enables, enabling bidirectional bus isolation in mixed-voltage digital systems such as industrial I/O expansion modules.

For engineers reviewing the 74AHC241D,118 datasheet, 74AHC241D,118 pinout, 74AHC241D,118 application, or 74AHC241D,118 equivalent, key selection criteria include its 2.0–5.5 V operation range, ±25 mA output drive, Schmitt-trigger inputs for noise immunity, 3.2 ns typical propagation delay at 5 V/15 pF, and SO20 package compatibility with legacy 74-series board layouts.

Technical Context

The 74AHC241D,118 implements a dual-group non-inverting buffer architecture with independent 3-state control: 1OE (Pin 1, active LOW) enables Y0–Y3, while 2OE (Pin 19, active HIGH) enables Y0–Y3. Inputs accept voltages up to 7.0 V regardless of VCC, supporting level translation between 3.3 V and 5 V domains without external components.

Its static characteristics include VIH = 3.85 V (min) and VIL = 1.65 V (max) at VCC = 5.5 V, VOH ≥ 4.4 V (IO = −50 μA), VOL ≤ 0.1 V (IO = 50 μA), and input leakage < 0.1 μA at 25 °C - confirming robust noise margin and low quiescent power in high-density logic interfacing.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	2.0 V to 5.5 V - supports single-supply operation across 3.3 V and 5 V logic families without level shifters.
Output Drive	±25 mA - sufficient to directly drive multiple TTL loads or moderate-capacitance PCB traces (≤50 pF).
Propagation Delay	3.2 ns (typ) at VCC = 5 V, CL = 15 pF - enables reliable timing in 100+ MHz bus applications with margin.
Input Tolerance	−0.5 V to +7.0 V - allows safe interfacing with higher-voltage sensors or legacy 5 V peripherals while powered from 3.3 V.
Operating Temp	−40 °C to +125 °C - qualified for under-hood automotive ECUs and industrial motor controllers.
ESD Rating	HBM > 2000 V, CDM > 1000 V - meets IEC 61000-4-2 Level 3 for robust handling in automated assembly lines.

Pinout & Package

74AHC241D,118 uses the SO20 (SOT163-1) plastic small outline package: 20-pin, 7.5 mm body width, 1.27 mm pitch, JEDEC MS-013 compliant, with gull-wing leads suitable for reflow soldering.

Pin/Terminal	Circuit Role	Design Meaning
1 (1OE)	Active-LOW group 1 output enable	Drives Y0–Y3 into high-impedance when HIGH; enables translation from 3.3 V controller to 5 V peripheral bus.
19 (2OE)	Active-HIGH group 2 output enable	Drives Y0–Y3 into high-impedance when LOW; simplifies control logic when driven by open-drain microcontroller pins.
2,4,6,8 (1A0–1A3)	Group 1 data inputs	Accepts overvoltage signals; connects to upstream 3.3 V FPGA I/O banks driving downstream 5 V address/data lines.
17,15,13,11 (2A0–2A3)	Group 2 data inputs	Independent input set - enables simultaneous buffering of two separate 4-bit buses (e.g., ADC channel select + status flags).
18,16,14,12 (1Y0–1Y3)	Group 1 3-state outputs	Driven only when 1OE = LOW; provides isolated signal path for bidirectional data flow on shared memory bus.
3,5,7,9 (2Y0–2Y3)	Group 2 3-state outputs	Driven only when 2OE = HIGH; used for dedicated control signal routing (e.g., chip selects, reset distribution).
10 (GND)	Ground reference	Single ground plane connection; decoupling capacitor (100 nF) required within 5 mm for stable 100 MHz switching.
20 (VCC)	Power supply	Accepts 2.0–5.5 V; requires local 10 μF bulk + 100 nF ceramic capacitor per device for transient current demands.

Key Features

Feature	Design Value
Schmitt-trigger inputs	Provides > 0.8 V hysteresis on all inputs - eliminates contact bounce or slow-edge noise in pushbutton or sensor interfaces.
Overvoltage-tolerant inputs	Withstands up to +7.0 V regardless of VCC - enables direct connection to 5 V sensors while powered from 3.3 V MCU rails.
Balanced propagation delays	tpd variation ≤ 1.5 ns across all 8 channels - ensures deterministic timing skew in parallel data paths (e.g., 8-bit ADC readback).
Low dynamic power	CPD = 9 pF - limits switching power to < 250 μW at 10 MHz, critical for battery-powered IoT node logic layers.
Industrial temperature range	−40 °C to +125 °C operation - validated for continuous use in motor drive gate driver boards and PLC backplanes.

Applications

Industrial I/O Expansion	Automotive Body Control Module
Use Scenario: Isolating microcontroller GPIOs from noisy 24 V fieldbus transceivers and relay drivers in programmable logic controllers. IC Role / Device Role / Timing Role: Bidirectional 3-state buffer providing voltage-level translation and bus contention protection between 3.3 V ARM Cortex-M4 and 5 V CAN/LIN physical layer ICs. Use Value: Eliminates need for discrete level shifters and reduces BOM count by 4 components per 8-bit interface channel.	Use Scenario: Driving multiplexed dashboard display segments and reading door lock switch states in harsh automotive environments. IC Role / Device Role / Timing Role: Dual-group buffer isolating infotainment SoC outputs from high-current LED drivers and debouncing mechanical switch inputs with Schmitt action. Use Value: Enables single-chip solution for both high-side and low-side signal conditioning, reducing PCB area by 35% vs. discrete transistor arrays.
Test Equipment Digital Interface	Medical Diagnostic Data Acquisition
Use Scenario: Routing calibrated analog-to-digital converter outputs and trigger signals between FPGA-based acquisition logic and external PC USB interface chips. IC Role / Device Role / Timing Role: Low-skew 8-bit buffer synchronizing parallel ADC samples to USB bridge clock domain while preventing back-drive during host enumeration. Use Value: Achieves < 2 ns inter-channel skew, meeting IEEE 1149.4 boundary-scan timing requirements for production test fixtures.	Use Scenario: Interfacing low-power biomedical sensor front-ends (e.g., ECG amplifiers) with high-speed SAR ADCs in portable ultrasound devices. IC Role / Device Role / Timing Role: Overvoltage-tolerant buffer protecting 1.8 V ADC inputs from 3.3 V sensor bias rails and ESD events during probe handling. Use Value: Maintains signal integrity at 1 MSPS sampling rates while surviving > 8 kV HBM ESD pulses per IEC 61000-4-2 Class 3 compliance.

Industrial I/O Expansion

Automotive Body Control Module

Use Scenario: Isolating microcontroller GPIOs from noisy 24 V fieldbus transceivers and relay drivers in programmable logic controllers.

IC Role / Device Role / Timing Role: Bidirectional 3-state buffer providing voltage-level translation and bus contention protection between 3.3 V ARM Cortex-M4 and 5 V CAN/LIN physical layer ICs.

Use Value: Eliminates need for discrete level shifters and reduces BOM count by 4 components per 8-bit interface channel.

Use Scenario: Driving multiplexed dashboard display segments and reading door lock switch states in harsh automotive environments.

IC Role / Device Role / Timing Role: Dual-group buffer isolating infotainment SoC outputs from high-current LED drivers and debouncing mechanical switch inputs with Schmitt action.

Use Value: Enables single-chip solution for both high-side and low-side signal conditioning, reducing PCB area by 35% vs. discrete transistor arrays.

Test Equipment Digital Interface

Medical Diagnostic Data Acquisition

Use Scenario: Routing calibrated analog-to-digital converter outputs and trigger signals between FPGA-based acquisition logic and external PC USB interface chips.

IC Role / Device Role / Timing Role: Low-skew 8-bit buffer synchronizing parallel ADC samples to USB bridge clock domain while preventing back-drive during host enumeration.

Use Value: Achieves < 2 ns inter-channel skew, meeting IEEE 1149.4 boundary-scan timing requirements for production test fixtures.

Use Scenario: Interfacing low-power biomedical sensor front-ends (e.g., ECG amplifiers) with high-speed SAR ADCs in portable ultrasound devices.

IC Role / Device Role / Timing Role: Overvoltage-tolerant buffer protecting 1.8 V ADC inputs from 3.3 V sensor bias rails and ESD events during probe handling.

Use Value: Maintains signal integrity at 1 MSPS sampling rates while surviving > 8 kV HBM ESD pulses per IEC 61000-4-2 Class 3 compliance.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
74AHCT241D,118	TTL-compatible inputs (VIH = 2.0 V min); identical SO20 package and pinout.	Required when interfacing with legacy 5 V TTL logic; not suitable for 3.3 V-only systems due to higher input threshold.	Select when replacing obsolete 74LS241 in existing 5 V designs - no layout change needed.
SN74LVC241APWR	Lower VCC range (1.65–3.6 V); 32 mA output drive; different pinout (TSSOP20).	Optimized for 1.8 V/3.3 V mobile SoCs; lacks overvoltage tolerance - requires external clamping for mixed-voltage use.	Choose for new ultra-low-power designs where 5 V tolerance is unnecessary and smaller footprint is prioritized.

Compared with 74AHCT241D,118, the 74AHC241D,118 offers broader supply flexibility and inherent level translation, while SN74LVC241APWR delivers lower static power but mandates careful voltage domain partitioning.

Availability

74AHC241D,118 is available at Aetrix Electronics and suitable for industrial automation, automotive electronics, and medical instrumentation requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for 74AHC241D,118 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

Nexperia is a global leader in high-performance discrete, logic, and PowerMOS semiconductors, spun off from NXP in 2017 and focused on automotive, industrial, computing, and consumer markets.

The 74AHC241D,118 belongs to Nexperia's AHC logic family, engineered for high-speed, low-power CMOS interfacing in mixed-voltage systems where reliability and wide operating margins are critical.

FAQ

What is the maximum supply voltage rating for the 74AHC241D,118?

The 74AHC241D,118 has an absolute maximum supply voltage (VCC) of +7.0 V, but its recommended operating range is 2.0 V to 5.5 V. Operating above 5.5 V risks exceeding internal oxide breakdown limits and invalidates parametric guarantees - always limit VCC to ≤5.5 V in production designs using the 74AHC241D,118.

Does the 74AHC241D,118 support level translation between 3.3 V and 5 V logic domains?

Yes, the 74AHC241D,118 supports bidirectional level translation: its inputs tolerate up to +7.0 V regardless of VCC, allowing 5 V signals to be safely applied while VCC = 3.3 V; outputs swing rail-to-rail (VOH ≈ VCC, VOL ≈ 0 V), enabling clean 3.3 V signaling to downstream 3.3 V receivers when powered from 3.3 V - a core capability of the 74AHC241D,118.

What is the function of Pin 19 (2OE) on the 74AHC241D,118?

Pin 19 (2OE) is the active-HIGH output enable for the second group of outputs (2Y0–2Y3). When 2OE = HIGH, outputs 2Y0–2Y3 follow their respective 2A0–2A3 inputs; when 2OE = LOW, those outputs enter high-impedance state. This independent control allows selective isolation of two 4-bit data paths - a defining feature of the 74AHC241D,118's dual-buffer architecture.

Can the 74AHC241D,118 be used in automotive applications requiring AEC-Q100 qualification?

The 74AHC241D,118 is specified for −40 °C to +125 °C operation and manufactured in Nexperia's AEC-Q100-qualified facilities, but it does not carry formal AEC-Q100 certification as a standalone part number. For safety-critical automotive subsystems, verify qualification status via Nexperia's official automotive product selector tool before committing the 74AHC241D,118 to production.

How does the Schmitt-trigger input action benefit system design with the 74AHC241D,118?

The Schmitt-trigger inputs on the 74AHC241D,118 provide built-in hysteresis (~0.8 V at 5 V), eliminating false triggering from slow-rising signals like mechanical switch closures or long PCB traces with reflections. This removes the need for external RC filters or debounce firmware - directly improving reliability in industrial HMI and sensor interface applications using the 74AHC241D,118.

74AHC241D,118 Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: 74AHC

Package/Case:: 20-SOIC (0.295", 7.50mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 2

Number of Bits per Element:: 4

Input Type:: -

Output Type:: 3-State

Current - Output High, Low:: 8mA, 8mA

Voltage - Supply:: 2V ~ 5.5V

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 20-SO

74AHC241D,118 FAQ

1.How can I place an order for 74AHC241D,118 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHC241D,118 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 74AHC241D,118 reliable?

The price and inventory of 74AHC241D,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC241D,118 is usually 5 days.

3.What payment methods are accepted for 74AHC241D,118?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC241D,118 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHC241D,118?

74AHC241D,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHC241D,118 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 74AHC241D,118?

For technical support, including 74AHC241D,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC241D,118 requirements.

6.How does Aetrix verify that 74AHC241D,118 is sourced from the original manufacturer or authorized distributors?

All 74AHC241D,118 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 74AHC241D,118 meets industry standards.

7.What is the process for return or replacement of 74AHC241D,118?

All 74AHC241D,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC241D,118, 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 74AHC241D,118 part is unused and in its original packaging.

Return procedure for 74AHC241D,118:

1.Submit a request within 90 days.

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

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