74HC257 Quad 2-Input Multiplexer SMD IC

74HC257 Quad 2-Input Multiplexer SMD IC

The 74HC257 is a Quad 2-Input Multiplexer designed as an SMD (Surface Mount Device) IC. This component integrates four multiplexers into a single package, with each multiplexer capable of selecting one of two data inputs and forwarding it to a common output. The 74HC257 is highly versatile and used in digital systems to route data from multiple sources to a single output line, depending on the state of select inputs. Each multiplexer within the IC has a pair of data inputs (A and B), an output (Y), and a common select line (S). When the select line is at a logical low, input A is passed to the output; when the select line is high, input B is chosen. The IC also features a 3-state output enable (OE) function, allowing for the output to be in a high-impedance state for bus-oriented applications. This capability is useful for connecting multiple ICs to a single data line without interference.The 74HC257 operates over a wide voltage range, typically from 2V to 6V, ensuring compatibility with different logic families. It is known for its low power consumption and high switching speed, making it suitable for use in high-performance systems. Common applications include data selection, signal routing, and bus control in microprocessor and digital communication systems.

Features:-

• High-Speed Operation
• Wide Operating Voltage Range 
• Low Power Consumption
• Compact SMD Package