NXP Semiconductors 74ABT2241N,112

Overview

74ABT2241N,112 from NXP Semiconductors (formerly Philips) is an octal 3-state buffer with integrated 30Ω series output termination resistors, designed for high-speed bus driving in memory address, clock, and bus transceiver applications. It features dual independent output enables (1OE, 2OE), ±12mA/–32mA drive capability, and operates over –40°C to +85°C at 4.5V–5.5V supply.

For engineers reviewing the 74ABT2241N,112 datasheet, 74ABT2241N,112 pinout, 74ABT2241N,112 application, or 74ABT2241N,112 equivalent, key selection criteria include its built-in series termination for noise reduction, dual OE control per four-output group, and BiCMOS performance enabling sub-4ns propagation delay with low dynamic power.

Technical Context

The 74ABT2241N,112 implements a high-performance BiCMOS architecture that integrates 30Ω series resistors in both high and low output paths-eliminating external termination components and reducing signal reflections on PCB traces. Its dual 3-state enable structure (1OE controls Y0–Y3; 2OE controls Y4–Y7) supports independent bus segment control.

It delivers rail-to-rail logic compatibility with TTL and CMOS inputs, supports hot insertion via power-up 3-state behavior, and meets JEDEC Std 17 latch-up immunity (>500mA) and MIL-STD-883 ESD robustness (>2000V HBM).

Key Specifications

Pinout & Package

74ABT2241N,112 is supplied in a 20-pin plastic DIP (Dual In-line Package) with 300-mil width, through-hole mounting, and standard 0.1-inch lead pitch.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74ABT2241N and 74LVT2241PW,118, the 74ABT2241N,112 uniquely combines 5V operation, DIP packaging, and factory-integrated 30Ω termination-making it optimal for legacy industrial upgrades and prototyping where through-hole assembly and noise-sensitive bus routing are critical.

Availability

74ABT2241N,112 is available at Aetrix Electronics and suitable for memory address drivers, clock distribution networks, and bus transceiver interfaces requiring stable component supply, long-term industrial lifecycle support, and through-hole assembly compatibility.

Supply support for 74ABT2241N,112 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

NXP Semiconductors is a global semiconductor leader delivering high-performance logic, interface, and analog solutions for automotive, industrial, and communication markets.

The 74ABT family was engineered for high-speed 5V bus interfacing with BiCMOS efficiency-targeting noise-critical applications like memory subsystems and clock trees where termination and timing predictability are essential.

FAQ

What is the function of the 30Ω series termination in the 74ABT2241N,112?

The 30Ω series termination in the 74ABT2241N,112 is integrated into both the high and low output paths to match typical PCB trace impedance, thereby suppressing signal reflections, overshoot, and ringing. This eliminates the need for eight external series resistors, simplifies layout, and improves signal integrity on bus lines up to 250MHz. The 74ABT2241N,112 achieves this without compromising propagation delay or drive strength.

Does the 74ABT2241N,112 support hot-plug or live-insertion?

Yes, the 74ABT2241N,112 supports safe hot insertion due to its power-up 3-state feature: outputs remain in high-impedance until VCC stabilizes, preventing bus contention during power sequencing. This behavior is guaranteed across the full operating voltage ramp and is validated per JEDEC standards. The 74ABT2241N,112 also includes robust ESD protection (>2000V HBM), further enhancing live-insertion reliability.

Can the 74ABT2241N,112 be used with 3.3V logic inputs?

Yes-the 74ABT2241N,112 accepts 3.3V logic inputs reliably: its VIH threshold is 2.0V min, and VIL is 0.8V max at VCC = 5.0V, making it compatible with 3.3V CMOS/TTL outputs. Input clamp voltage (VIK) is –0.9V, ensuring safe interfacing without external level shifters. However, the 74ABT2241N,112 itself requires a 4.5V–5.5V supply and does not operate natively at 3.3V.

What is the maximum capacitive load the 74ABT2241N,112 can drive while maintaining timing specs?

The 74ABT2241N,112 is characterized for CL = 50pF in AC specifications, with tPLH/tPHL = 2.9ns typical. At higher loads (e.g., 100pF), propagation delay increases predictably (~+1.5ns per additional 50pF), but output drive remains functional up to 128mA peak sink. For timing-critical designs exceeding 50pF, verify setup/hold margins using the 74ABT2241N,112's published AC waveforms and disable times (tPLZ/tPZL ≤ 5.8ns).

Is the 74ABT2241N,112 RoHS compliant?

The 74ABT2241N,112 is manufactured in a RoHS-compliant process: lead-free terminations and halogen-free molding compound meet EU Directive 2011/65/EU. This applies to all current production lots bearing date codes ≥2006. Legacy non-RoHS versions (pre-2006) are obsolete; the 74ABT2241N,112 supplied by Aetrix Electronics is fully RoHS compliant and REACH-conformant.