ON Semiconductor MC74VHC157DR2 Quad 2-Input Multiplexer

The MC74VHC157DR2 is a high-performance, quad 2-input multiplexer from ON Semiconductor, designed to operate at 2V to 5.5V with a significant feature of low power dissipation. This multiplexer is a part of the VHC family of products, which are known for their high noise immunity and low power consumption, making them suitable for a wide range of applications in modern electronic systems.

The device is composed of four individual 2-input multiplexers with common select and enable inputs. Each multiplexer has two data inputs (A and B), one output (Y), and an individual enable input (E). The select input (S) determines which of the data inputs A or B is connected to the corresponding output Y.

Constructed with MOS P-Channel and N-Channel enhancement mode devices in a single monolithic structure, the MC74VHC157DR2 offers a robust design that ensures high-speed operation while maintaining the CMOS low power dissipation. Its fast switching characteristics and the ability to drive 50 ohm transmission lines make it ideal for use in high-frequency signal routing applications.

The device is provided in a compact SOIC-16 package, which allows for efficient use of board space in dense circuit designs. The MC74VHC157DR2 is characterized for operation from -55°C to +125°C, ensuring reliable performance in a wide range of environmental conditions.

Key features of the MC74VHC157DR2 include:

• High Speed: Typical tpd of 4.5ns at VCC = 5V
• Low Power Dissipation: ICC is 2µA maximum at TA = 25°C
• High Noise Immunity: VNIH = VNIL = 28% VCC minimum
• Power Down Protection Provided on Inputs
• Low Noise: VOLP = 0.8V maximum
• Pin and Function Compatible with Other Standard Logic Families
• Latch-up Performance Exceeds 300mA
• ESD Performance: HBM > 2000V; Machine Model > 200V

The MC74VHC157DR2 multiplexer is an excellent choice for applications requiring the selection of multiple data sources to a single output line, such as data routing in communication systems, signal gating, and function generation. Its low power consumption and high-speed operation also make it suitable for battery-operated and portable devices.

For designers and engineers looking for a reliable and efficient multiplexer solution, the MC74VHC157DR2 from ON Semiconductor offers a compelling combination of performance, power efficiency, and design flexibility.