Nexperia USA Inc. 74HC154PW,112

Overview

74HC154PW,112 from Nexperia USA Inc. is a high-speed CMOS 4-to-16 line decoder/demultiplexer with active LOW outputs, designed for memory address decoding, chip-select generation, peripheral selection, demultiplexing, logic expansion, and embedded digital control applications. The device decodes four binary weighted address inputs into sixteen mutually exclusive outputs and is supplied in a compact 24-lead TSSOP package.

As part of the Nexperia 74HC logic portfolio, 74HC154PW,112 combines a 2.0V to 6.0V supply range, CMOS low power dissipation, high noise immunity, two enable inputs, 16-line demultiplexing capability, and clamp-diode input protection for flexible digital logic integration. For engineers reviewing the 74HC154PW,112 datasheet, 74HC154PW,112 pinout, 74HC154PW,112 application, or 74HC154PW,112 equivalent, this device is widely used in memory address decoding, microcontroller peripheral selection, chip-enable generation, digital control logic, demultiplexer circuits, industrial boards, and general-purpose CMOS logic designs.

Technical Context

In digital systems, 74HC154PW,112 operates as a 1-of-16 decoder by translating the four address inputs A0, A1, A2, and A3 into one selected active LOW output among Y0 to Y15. When the device is enabled, the addressed output goes LOW while all other outputs remain HIGH, making the IC useful for memory chip-select generation, address-qualified control signals, and peripheral selection.

The device includes two active LOW enable inputs, E0 and E1. A HIGH level on either enable input forces all outputs HIGH, allowing the enables to function as address qualification, strobe control, or demultiplexer data inputs. When one enable input is held LOW, the other enable input can be used as the multiplexed data input so that the addressed output follows the applied data state.

74HC154PW,112 is the HC CMOS-input version of the 74HC/HCT154 family. Compared with the HCT version, it is intended for CMOS-level input thresholds across a wider 2.0V to 6.0V supply range, making it suitable for standard CMOS logic systems, low-voltage embedded boards, and 5V digital platforms where HC-level compatibility is required.

Key Specifications

Pinout & Package

The 74HC154PW,112 pinout uses a 24-lead TSSOP package with four address inputs, two active LOW enable inputs, sixteen active LOW decoded outputs, VCC, and GND. The output polarity is active LOW, so selected memory devices, latches, buffers, or peripheral-enable circuits should be checked for correct logic polarity during schematic design.

For PCB implementation, VCC should be bypassed close to the package, address and enable inputs should be routed with clean logic edges, and output loading should remain within logic-family limits. The 24-lead TSSOP package provides a compact layout for systems that need sixteen decoded outputs without using multiple smaller decoder ICs.

Key Features

• 4-to-16 line decoder/demultiplexer with active LOW mutually exclusive outputs.
• Four binary address inputs decode one of sixteen output lines.
• Two active LOW enable inputs support gating, address qualification, and demultiplexer operation.
• Can be used as a 1-to-16 demultiplexer by using one enable input as the data input.
• Wide 2.0V to 6.0V operating supply range for CMOS logic systems.
• CMOS low power dissipation and high noise immunity.
• Input clamp diodes support interfacing through current-limiting resistors.
• Useful for memory chip-select decoding, peripheral selection, and board-level control-line expansion.
• HBM and CDM ESD protection support robust handling and assembly.
• 24-lead TSSOP package supports compact surface-mount PCB designs.

Applications

Equivalent & Alternatives

When evaluating 74HC154PW,112 equivalent devices, engineers should compare logic family, input threshold type, output polarity, supply-voltage range, package footprint, propagation delay, output drive, temperature range, ESD rating, and pin-to-pin compatibility.

Compared with 74HCT154PW, 74HC154PW,112 is optimized for CMOS-input logic systems and wider 2.0V to 6.0V operation rather than TTL-level 5V input compatibility. 74HC154PW,112 vs 74HC138PW selection depends on decoded output count: use 74HC154PW,112 for sixteen active LOW outputs and 74HC138PW for eight active LOW outputs.

Quality

74HC154PW,112 should be sourced as original Nexperia components through traceable and controlled supply channels. Quality verification procedures may include package inspection, top-mark validation, solderability testing, pin continuity checks, input threshold verification, functional truth-table testing, output-level measurement, and incoming inspection according to digital logic production requirements.

Because the device is often used for address decoding and chip-select generation, system reliability depends on correct enable polarity, stable supply decoupling, clean input timing, valid output loading, and confirmation that active LOW outputs match the downstream logic. Traceable sourcing supports manufacturing quality and reduces counterfeit supply-chain risk for standard logic production programs.

Availability

74HC154PW,112 available at Aetrix Electronics and suitable for memory address decoding, peripheral chip-select generation, 1-to-16 demultiplexer circuits, embedded digital logic, industrial control boards, communication modules, and general-purpose CMOS logic systems requiring stable component supply and repeatable production support.

Supply support may include scheduled delivery planning, volume procurement support, BOM continuity assistance, traceable sourcing management, and long-term availability support for OEM manufacturers, embedded-system developers, industrial-control designers, logic-board builders, and electronics production programs.

For production deployment, confirming logic family, supply voltage, input threshold compatibility, output polarity, package footprint, output count, and sourcing continuity helps reduce procurement risk and improve manufacturing stability.

Manufacturer

Nexperia USA Inc. is part of Nexperia, a semiconductor manufacturer specializing in standard logic, ESD protection devices, MOSFETs, bipolar transistors, diodes, analog switches, power discretes, and interface components for automotive, industrial, communication, computing, and consumer electronics.

The Nexperia standard logic portfolio focuses on CMOS logic families, compact package options, broad voltage support, low power dissipation, high noise immunity, automotive and industrial-grade availability, and long-term supply continuity for embedded logic, interface control, level-compatible systems, and board-level digital designs.

FAQ

What is 74HC154PW,112 used for?

74HC154PW,112 is used for 4-to-16 address decoding, memory chip-select generation, peripheral selection, demultiplexing, logic expansion, control-line generation, and general-purpose CMOS digital control circuits.

Where can I find the 74HC154PW,112 datasheet download?

The 74HC154PW,112 datasheet is available from Nexperia and includes the functional diagram, pinout, truth table, operating conditions, static characteristics, switching specifications, package data, and application information.

What should be considered in 74HC154PW,112 PCB design?

PCB implementation should provide close VCC decoupling, clean address and enable routing, correct active-low output polarity, controlled output loading, and suitable grounding for reliable CMOS logic operation.

Are the outputs of 74HC154PW,112 active LOW?

Yes. 74HC154PW,112 has sixteen mutually exclusive active LOW outputs. When the device is correctly enabled, one selected output goes LOW while the other outputs remain HIGH.

What are common 74HC154PW,112 equivalent solutions?

Common alternatives include 74HCT154PW, 74HC154D, SN74HC154PWR, and 74HC138PW depending on input threshold requirements, package footprint, supply voltage, timing, output count, manufacturer approval, and sourcing continuity.