The HD74HC257RPEL is a quad 2-input multiplexer with three-state outputs from Renesas Electronics. This device belongs to the HC (High-speed CMOS) family, providing a good balance of speed and power consumption. It is designed for applications where multiple data sources need to be selectively routed to a single output.
Applications:
- Data selection: Selecting one of two data sources to be transmitted to a single output.
- Parallel-to-serial conversion: Converting parallel data into a serial stream.
- Memory addressing: Selecting different memory locations for read or write operations.
- Logic function generation: Implementing various logic functions by combining multiplexer inputs.
- Digital routing: Routing digital signals to different destinations based on control signals.
Features:
- Quad 2-input multiplexer: Contains four independent 2-input multiplexer circuits.
- Three-state outputs: Allows the output to be in a high, low, or high-impedance state.
- High-speed operation: Offers a typical propagation delay of around 14 ns, enabling fast switching speeds.
- Wide operating voltage range: Operates from 2V to 6V, providing flexibility in system design.
- Low power consumption: Minimizes power dissipation in battery-powered devices.
- CMOS technology: Provides excellent noise immunity and low static power consumption.
Benefits:
- Efficient data selection: Simplifies data routing with integrated multiplexer functionality.
- Versatile application: Suitable for a wide range of applications due to its multiplexing capability.
- Improved system performance: High-speed operation enables faster data processing and signal transmission.
- Reduced power consumption: CMOS technology minimizes power dissipation.
- Simplified system design: Easy integration into existing systems due to its standard logic function and pinout.
Additional Details:
The HD74HC257RPEL operates with a supply voltage range of 2V to 6V. Its propagation delay is approximately 14 ns. The three-state outputs allow for connecting multiple devices to a single bus. This part is commonly used in applications such as data selection, parallel-to-serial conversion, and memory addressing. It utilizes CMOS technology to provide high noise immunity and low static power consumption.