NXP 74HC258N Quad 2-input multiplexer with tri-state outputs
The NXP 74HC258N is a high-speed Si-gate CMOS device that is part of the 74HC family. This quad 2-input multiplexer features tri-state outputs which are essential for bus-oriented applications. The device comes in a standard DIP-16 (Dual In-line Package) making it suitable for breadboard prototyping and traditional through-hole PCB designs.
Key Features
- Logic Type: Quad 2-Input Multiplexer
- Output Type: Tri-State
- Package Type: DIP-16
- Supply Voltage Range: 2.0V to 6.0V
- Operating Temperature Range: -40°C to +125°C
- Pin Configuration: The 74HC258N has a 16-pin configuration with input, output, enable, and supply voltage pins.
- High Noise Immunity: The device incorporates high noise immunity characteristics typical of CMOS devices.
Functional Description
The 74HC258N contains four independent 2-input multiplexers with tri-state outputs. Each multiplexer has two data inputs (A and B), one common data select input (S), and one output (Y). The tri-state control input (G) can be used to place the output in a high-impedance state. When the select input (S) is held at a low level, the A input is connected to the Y output, and when S is high, the B input is connected to the Y output. The tri-state outputs allow multiple outputs to be connected to a common bus without interference.
Applications
The 74HC258N is ideal for multiplexing and data routing applications. It can be used in a variety of systems including:
- Bus switching and resource allocation
- Data routing in microprocessor or microcontroller-based systems
- Signal gating and processing
- Function generation
- Control systems
With its robust design and versatile functionality, the NXP 74HC258N is a valuable component for designers looking for a reliable multiplexer solution.
