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

Texas Instruments SN74ACT241DWRG4

Name: SN74ACT241DWRG4
Brand: Texas Instruments
SKU: SN74ACT241DWRG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SN74ACT241DWRG4

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

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

Datasheet:: SN74ACT241DWRG4.pdf

Description:: IC BUFF NON-INVERT 5.5V 20SOIC

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Product details

Overview

SN74ACT241DWRG4 from Texas Instruments is an octal 3-state buffer/driver IC designed for memory address, clock, and bus interface applications. It operates at 4.5V–5.5V V_CC, supports TTL-compatible inputs up to 5.5V, delivers ≤8.5ns propagation delay at 5V, and features dual independent output-enable controls (1OE, 2OE) for flexible bus management in industrial control and data acquisition systems.

For engineers reviewing the SN74ACT241DWRG4 datasheet, SN74ACT241DWRG4 pinout, SN74ACT241DWRG4 application, or SN74ACT241DWRG4 equivalent, key selection criteria include 3-state drive capability, 24mA output current per channel, SOIC-20 package compatibility, and operation across –40°C to +85°C ambient temperature.

Technical Context

The SN74ACT241DWRG4 implements two independent 4-bit noninverting buffer sections, each with dedicated complementary output-enable inputs (1OE active-low, 2OE active-high). Its ACT logic family ensures TTL-level input compatibility while maintaining CMOS-level noise immunity and low static power consumption.

Switching behavior is characterized by t_PLH/t_PHL ≤9.5ns and t_PZH/t_PHZ ≤10.5ns at V_CC = 5V, with guaranteed high-impedance isolation (I_OZ ≤ ±2.5µA) when outputs are disabled. Input clamp current is ±20mA, and absolute max V_I extends to V_CC+0.5V.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	4.5V to 5.5V - Ensures stable operation across standard 5V supply rails with ±5% tolerance.
Max Propagation Delay	8.5ns at 5V - Enables high-speed bus driving up to ~115MHz clock edge rates in synchronous systems.
Output Drive Strength	±24mA per Y output - Supports direct connection to 50Ω transmission lines or multiple TTL loads without external buffering.
Input Compatibility	TTL-compatible with V_IH = 2V, V_IL = 0.8V - Interoperates seamlessly with legacy 74LS/74F logic families.
3-State Leakage	I_OZ ≤ ±2.5µA at V_CC = 5.5V - Minimizes bus contention current during output disable, critical for hot-swap and multi-driver buses.
Operating Temperature	–40°C to +85°C - Qualified for industrial-grade embedded systems including PLCs and motor drives.

Pinout & Package

SN74ACT241DWRG4 is packaged in a 20-pin SOIC (DW) with 12.8mm × 10.3mm body dimensions and 1.27mm lead pitch. The package is RoHS-compliant, moisture sensitivity level 1, and rated for peak reflow at 260°C.

Pin/Terminal	Circuit Role	Design Meaning
1, 19	1OE (active-low), 2OE (active-high)	Independent enable controls for Group 1 (pins 2,4,6,8 → 12,14,16,18) and Group 2 (pins 11,13,15,17 → 3,5,7,9) outputs.
2,4,6,8,11,13,15,17	A inputs (1A1–1A4, 2A1–2A4)	Eight buffered data inputs; noninverting path to corresponding Y outputs when respective OE is asserted.
3,5,7,9,12,14,16,18	Y outputs (2Y4–2Y1, 1Y4–1Y1)	Eight 3-state outputs; high-impedance when OE is deasserted, preventing bus contention.
10	GND	Ground reference for all logic and output stages; requires low-inductance connection to minimize switching noise.
20	V_CC	Primary 5V supply; must be decoupled with ≥0.1µF ceramic capacitor placed adjacent to pin 20.

Key Features

Feature	Design Value
Dual independent 3-state control	Separate 1OE (active-low) and 2OE (active-high) pins allow asymmetric bus arbitration-e.g., one group enabled while the other remains high-Z.
TTL-compatible inputs	Accepts 0.8V/2.0V logic thresholds and tolerates up to 5.5V input voltage, enabling direct interfacing with 3.3V/5V mixed-voltage systems.
Low propagation delay	8.5ns max at 5V ensures minimal timing skew across all eight channels-critical for parallel address/data bus integrity.
High noise immunity	ACT family's 1.5V typical noise margin (V_OH–V_IH and V_IL–V_OL) suppresses false triggering in electrically noisy industrial environments.
Robust ESD protection	Rated to ±2kV HBM-meets IEC 61000-4-2 Level 2 requirements for board-level electrostatic discharge resilience.

Applications

Industrial PLC Backplane Interface	Legacy Memory Address Buffering
Use Scenario: Driving multiplexed address lines between microcontroller and multiple SRAM/ROM chips on a modular I/O backplane. IC Role / Device Role / Timing Role: Octal noninverting buffer with independent 3-state enables isolates memory banks during read/write cycles and prevents address bus contention. Use Value: 24mA drive strength sustains signal integrity over 15cm PCB traces; 8.5ns delay aligns with 10MHz bus timing budgets.	Use Scenario: Expanding limited GPIO count of an 8-bit microcontroller to manage 16-bit address space for external EPROM. IC Role / Device Role / Timing Role: Dual-group 3-state buffer allows time-multiplexed access to upper/lower address segments using shared data/address bus. Use Value: Independent OE pins enable precise timing control-e.g., 1OE asserts during lower-byte access while 2OE handles upper-byte cycles.
Programmable Logic Clock Distribution	Test Equipment Signal Conditioning
Use Scenario: Fan-out and level-shifting of FPGA-generated clock signals to multiple CPLD configuration interfaces. IC Role / Device Role / Timing Role: Low-skew buffer with matched t_PLH/t_PHL ensures <1ns inter-channel skew across all eight outputs. Use Value: TTL-compatible inputs accept FPGA LVCMOS33 outputs directly; 5.5V-tolerant inputs prevent damage during hot-plug events.	Use Scenario: Isolating DUT signals from automated test equipment (ATE) during functional verification of mixed-signal boards. IC Role / Device Role / Timing Role: 3-state outputs provide bidirectional signal gating-enabling ATE to drive or monitor the same net without hardware reconfiguration. Use Value: ±2.5µA high-Z leakage ensures <1mV offset on 1MΩ measurement paths; SOIC-20 footprint simplifies probe-point access.

Industrial PLC Backplane Interface

Legacy Memory Address Buffering

Use Scenario: Driving multiplexed address lines between microcontroller and multiple SRAM/ROM chips on a modular I/O backplane.

IC Role / Device Role / Timing Role: Octal noninverting buffer with independent 3-state enables isolates memory banks during read/write cycles and prevents address bus contention.

Use Value: 24mA drive strength sustains signal integrity over 15cm PCB traces; 8.5ns delay aligns with 10MHz bus timing budgets.

Use Scenario: Expanding limited GPIO count of an 8-bit microcontroller to manage 16-bit address space for external EPROM.

IC Role / Device Role / Timing Role: Dual-group 3-state buffer allows time-multiplexed access to upper/lower address segments using shared data/address bus.

Use Value: Independent OE pins enable precise timing control-e.g., 1OE asserts during lower-byte access while 2OE handles upper-byte cycles.

Programmable Logic Clock Distribution

Test Equipment Signal Conditioning

Use Scenario: Fan-out and level-shifting of FPGA-generated clock signals to multiple CPLD configuration interfaces.

IC Role / Device Role / Timing Role: Low-skew buffer with matched t_PLH/t_PHL ensures <1ns inter-channel skew across all eight outputs.

Use Value: TTL-compatible inputs accept FPGA LVCMOS33 outputs directly; 5.5V-tolerant inputs prevent damage during hot-plug events.

Use Scenario: Isolating DUT signals from automated test equipment (ATE) during functional verification of mixed-signal boards.

IC Role / Device Role / Timing Role: 3-state outputs provide bidirectional signal gating-enabling ATE to drive or monitor the same net without hardware reconfiguration.

Use Value: ±2.5µA high-Z leakage ensures <1mV offset on 1MΩ measurement paths; SOIC-20 footprint simplifies probe-point access.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal 3-state buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74ACT240DWR	Inverting output logic (A→¬Y) vs. SN74ACT241DWRG4's noninverting (A→Y); identical timing, drive, and package.	Required where bus polarity inversion is needed-e.g., complementing existing inverting transceivers in legacy designs.	Select SN74ACT240DWR only if signal inversion is functionally required; otherwise SN74ACT241DWRG4 provides direct replacement.
74AC244SCX	Single active-low OE (vs. dual OE), AC logic family (slightly higher ICC), same 24mA drive and 8.5ns delay.	Suitable for simpler single-bus-enable architectures; lacks independent group control for segmented bus arbitration.	Choose 74AC244SCX for cost-sensitive designs with unified enable requirements; SN74ACT241DWRG4 preferred when dual-OE timing flexibility is essential.

Compared with SN74ACT241DWRG4, SN74ACT240DWR provides identical performance with inverted outputs-requiring logic redesign if used as drop-in replacement-while 74AC244SCX reduces control granularity by consolidating enable functionality, limiting its utility in multi-segment bus systems.

Availability

SN74ACT241DWRG4 is available at Aetrix Electronics and suitable for industrial automation, test equipment, and legacy memory interface applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant SOIC packaging.

Supply support for SN74ACT241DWRG4 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with over 50 years of innovation in industrial and automotive electronics.

The SN74ACT241DWRG4 belongs to TI's 74ACT advanced CMOS logic family, engineered for high-speed, low-power 3-state bus interfacing in noise-immune industrial control and instrumentation systems.

FAQ

What is the maximum operating voltage for SN74ACT241DWRG4?

The SN74ACT241DWRG4 has an absolute maximum V_CC rating of 7V, but its recommended operating range is strictly 4.5V to 5.5V. Operating outside this window may cause timing violations or increased static current. The device's input voltage tolerance extends to V_CC + 0.5V, allowing safe interfacing with 5.5V-tolerant sources even at nominal 5V supply.

Does SN74ACT241DWRG4 support mixed-voltage interfacing?

Yes, SN74ACT241DWRG4 supports mixed-voltage interfacing via TTL-compatible inputs that recognize 2.0V as a valid high level and tolerate up to 5.5V regardless of V_CC. This enables direct connection to 3.3V microcontrollers (with appropriate pull-ups) or 5V legacy peripherals without level shifters, provided input currents remain within ±20mA clamp limits.

How does the dual output-enable architecture of SN74ACT241DWRG4 improve bus management?

SN74ACT241DWRG4's separate 1OE (active-low) and 2OE (active-high) pins allow independent control of two 4-bit output groups. This enables time-division multiplexing-e.g., enabling Group 1 during address phase and Group 2 during data phase-eliminating need for external logic or additional buffers in segmented bus architectures like ISA or custom backplanes.

What thermal considerations apply to SN74ACT241DWRG4 in continuous operation?

SN74ACT241DWRG4 in SOIC-20 (DW) package has a junction-to-ambient thermal resistance (R_θJA) of 58°C/W. At full 24mA drive on all eight outputs, power dissipation reaches ~180mW; with 25°C ambient, junction temperature stays below 135°C-well within the 150°C absolute max. Board-level copper pour under pin 10 (GND) further reduces thermal impedance.

Is SN74ACT241DWRG4 pin-compatible with other 74ACT241 variants?

Yes, SN74ACT241DWRG4 shares identical pinout and electrical characteristics with all SOIC-20 variants of the 74ACT241 family, including SN74ACT241DWR and SN74ACT241DW. The "G4" suffix denotes TI's green packaging standard (lead-free, RoHS-compliant), with no functional or mechanical differences from non-G4 versions in the same DW package.

SN74ACT241DWRG4 Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: 74ACT

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:: 24mA, 24mA

Voltage - Supply:: 4.5V ~ 5.5V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 20-SOIC

SN74ACT241DWRG4 FAQ

1.How can I place an order for SN74ACT241DWRG4 through Aetrix?

Please submit a Request for Quotation (RFQ) for SN74ACT241DWRG4 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 SN74ACT241DWRG4 reliable?

The price and inventory of SN74ACT241DWRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ACT241DWRG4 is usually 5 days.

3.What payment methods are accepted for SN74ACT241DWRG4?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ACT241DWRG4 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SN74ACT241DWRG4?

SN74ACT241DWRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SN74ACT241DWRG4 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 SN74ACT241DWRG4?

For technical support, including SN74ACT241DWRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ACT241DWRG4 requirements.

6.How does Aetrix verify that SN74ACT241DWRG4 is sourced from the original manufacturer or authorized distributors?

All SN74ACT241DWRG4 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 SN74ACT241DWRG4 meets industry standards.

7.What is the process for return or replacement of SN74ACT241DWRG4?

All SN74ACT241DWRG4 units undergo pre-shipment inspection (PSI). If there is an issue with SN74ACT241DWRG4, 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 SN74ACT241DWRG4 part is unused and in its original packaging.

Return procedure for SN74ACT241DWRG4:

1.Submit a request within 90 days.

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

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