NXP Semiconductors 74ABT02N,112

Overview

74ABT02N,112 from Nexperia is a quad 2-input NOR gate logic IC operating at 4.5–5.5 V supply, delivering 1.8–2.4 ns propagation delay (tPHL/tPLH), 0.4 ns output skew, and ±20 mA output drive capability. It serves as a high-speed combinational logic building block in address decoding, bus arbitration, and control signal generation circuits for industrial and computing systems.

For engineers reviewing the 74ABT02N,112 datasheet, 74ABT02N,112 pinout, 74ABT02N,112 application, or 74ABT02N,112 equivalent, key selection criteria include guaranteed AC performance over –40°C to +85°C, low input capacitance (3 pF), sub-50 µA quiescent current, and compatibility with ABT-family logic level thresholds (VIL = 0.8 V, VIH = 2.0 V).

Technical Context

The 74ABT02N,112 implements four independent 2-input NOR gates using advanced bipolar transistor technology optimized for speed-power trade-off in TTL-compatible systems. Each gate features symmetrical input structure, rail-to-rail output swing, and robust noise immunity defined by 0.4 V noise margin at VCC = 5 V.

It operates strictly within the ABT logic family's recommended conditions: 4.5–5.5 V supply, inputs referenced to GND/VCC, and load capacitance ≤50 pF. Propagation delays are specified with tR/tF = 2.5 ns input edges and CL = 50 pF, confirming suitability for 100+ MHz system clock domains when used in critical path logic.

Key Specifications

Pinout & Package

74ABT02N,112 is supplied in a 14-pin plastic DIP (Dual In-line Package) per SOT27-1, with 0.3-inch body width and through-hole mounting. Pin 7 is GND; Pin 14 is VCC.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NOR gate applications.

Compared with SN74ABT02N and 74LVC02PW,118, the 74ABT02N,112 offers best-in-class propagation delay and 5 V compatibility without translation, making it optimal for retrofitting or maintaining legacy industrial control hardware.

Availability

74ABT02N,112 is available at Aetrix Electronics and suitable for industrial control panels, legacy computing backplanes, and automotive ECU diagnostic interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74ABT02N,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

Nexperia is a global leader in discrete, logic, and PowerMOS semiconductors, spun off from NXP's Standard Products division in 2017, with focus on automotive, industrial, computing, and consumer markets.

The 74ABT02N,112 belongs to Nexperia's ABT-series high-speed TTL-compatible logic portfolio, engineered for deterministic timing, noise resilience, and drop-in replacement of legacy 74-series devices in mission-critical industrial systems.

FAQ

What is the maximum operating temperature for the 74ABT02N,112?

The 74ABT02N,112 is rated for continuous operation from –40°C to +85°C ambient temperature, as confirmed in the Recommended Operating Conditions table. This industrial-grade range ensures reliable functionality in control cabinets, motor drives, and outdoor computing enclosures without thermal derating. The 74ABT02N,112 maintains full AC and DC specifications across this entire span.

Does the 74ABT02N,112 support 3.3 V logic inputs?

No, the 74ABT02N,112 is not guaranteed to correctly interpret 3.3 V logic levels. Its VIH threshold is specified at 2.0 V minimum, but the device is designed for 5 V operation (VCC = 4.5–5.5 V) and requires TTL-compatible input voltages. Applying 3.3 V signals risks marginal switching behavior; use level translators or a 3.3 V–compatible alternative like 74LVC02 if interfacing with low-voltage systems. The 74ABT02N,112 must operate with 5 V supply to meet its published timing and drive specs.

Can the 74ABT02N,112 drive a 50 pF load at 100 MHz?

The 74ABT02N,112 is characterized for CL = 50 pF and tR/tF = 2.5 ns, supporting reliable operation up to ~200 MHz in short-path logic networks. While it does not guarantee waveform fidelity at 100 MHz *as a clock buffer*, it can switch cleanly at that frequency when driving static loads with proper layout (short traces, ground plane, local decoupling). The 74ABT02N,112's 1.8 ns tPHL enables use in asynchronous control paths at those rates - but avoid using it as a clock distribution element.

Is the 74ABT02N,112 pin-compatible with older 74LS02 devices?

Yes, the 74ABT02N,112 uses the same 14-pin DIP footprint and pin assignment as 74LS02, including identical VCC (pin 14), GND (pin 7), and I/O mapping. However, it delivers significantly faster propagation (1.8 ns vs. 15 ns), higher drive strength (20 mA vs. 8 mA), and lower input current. The 74ABT02N,112 can directly replace 74LS02 in most sockets, provided the system supports its higher speed and 5 V-only operation.

What is the input leakage current specification for the 74ABT02N,112?

The 74ABT02N,112 specifies input leakage current (II) as ±1.0 µA maximum over the full operating temperature range (–40°C to +85°C) at VCC = 5.5 V and VI = GND or VCC. At 25°C, typical leakage is ±0.01 µA. This low leakage ensures minimal loading on high-impedance sources such as microcontroller GPIOs or RC timing networks. The 74ABT02N,112 maintains this performance without external biasing or pull resistors.