Product Overview: 74HCT157D - NXP

The 74HCT157D, manufactured by NXP Semiconductors, is a high-speed Si-gate CMOS device that is pin compatible with low-power Schottky TTL (LSTTL). It is designed to multiplex four binary inputs from two input sources to one output, based on the selected inputs. The device is commonly used in digital applications where signal steering is required.

Key Features

• Logic Type: Quad 2-input multiplexer
• Supply Voltage Range: 4.5 V to 5.5 V
• Operating Temperature: -40°C to +125°C
• Package: SOIC-16
• Logic Family: HCT
• Propagation Delay: 13 ns (typical) at 5 V
• Output Current: High/Low: -4 mA / 4 mA

Performance and Quality

The 74HCT157D offers a balanced performance of high-speed operation while maintaining the CMOS low power dissipation. Its robust design ensures a high noise immunity and low power consumption, making it suitable for a wide range of applications. The HCT family is characterized for operation from -40°C to +125°C, ensuring reliable performance across diverse environmental conditions.

Applications

The flexibility of the 74HCT157D allows for its use in various applications, such as:

• Data routing
• Signal gating
• Function generation
• Arithmetic operations
• Computer peripheral multiplexing
• Digital signal processing

Environmental and Regulatory Compliance

The 74HCT157D device is compliant with the RoHS directive, ensuring that it is free of hazardous substances. It also adheres to the JEDEC standard for defining the outline of semiconductor products, making it a reliable choice for professional electronic design and manufacturing.

Ordering and Packaging Information

When ordering the 74HCT157D, it is essential to refer to the correct ordering code: 74HCT157D,653 for standard packing quantities. The device is supplied in a 16-pin SOIC package, which is suitable for surface mount technology (SMT) and is compatible with standard SMT assembly processes.