The M74HC157B1R is a high-speed CMOS Quad 2-Channel Multiplexer manufactured by STMicroelectronics, designed to select one of two inputs to four separate output lines. This integrated circuit is part of the HC family, which is characterized by its high noise immunity and low power consumption compared to traditional bipolar logic families.

Key Features

• Logic Type: Multiplexer
• Channels: Four 2-Channel (Quad 2:1)
• Input Level: CMOS
• Output Level: CMOS
• Supply Voltage Range: 2V to 6V
• Propagation Delay Time: 16ns at 6V
• Operating Temperature Range: -55°C to 125°C
• Package / Case: DIP-16

Product Description

The M74HC157B1R offers a versatile solution for various digital multiplexing needs. It includes four identical 2-channel multiplexers with common select and enable inputs. This design simplifies the parallel selection of data sources or routing of signals in complex digital systems.

With its wide operating voltage range, the M74HC157B1R can be used in applications that require different logic levels, ensuring compatibility with both 3.3V and 5V systems. The low quiescent current and high noise immunity of the HC family make this multiplexer a reliable choice for battery-operated devices and noise-sensitive applications.

The device's fast propagation delay ensures quick response times, which is essential for high-speed data processing and real-time applications. The robust operating temperature range makes the M74HC157B1R suitable for industrial and automotive environments where extreme conditions are common.

Encased in a DIP-16 package, the M74HC157B1R is designed for through-hole mounting, which allows for easy integration into a wide range of electronic circuits. This packaging also facilitates prototyping and educational projects where manual assembly is preferred.

In summary, the M74HC157B1R from STMicroelectronics is a versatile and reliable component for digital multiplexing applications, offering high-speed operation, low power consumption, and compatibility with a wide range of supply voltages and logic levels.