The 74LVC257APW is a high-performance, low-voltage CMOS device from NXP Semiconductors. This quad 2-input multiplexer features four individual 2-input multiplexers with 3-state outputs that allow for connection to a common bus or data line. Designed for operation in the 2.7 V to 3.6 V range, this product is ideal for low-power and low-voltage applications, particularly in the mobile, computing, and consumer electronics sectors.
Key Features:
- Low Voltage Operation: Operates from 2.7 V to 3.6 V, making it suitable for interfacing with 3.3 V logic devices without the need for level shifting.
- High-Speed Performance: Offers a typical propagation delay of 3.7 ns, ensuring fast signal processing for high-speed applications.
- Power-Down Protection: Inputs and 3-state outputs are over-voltage tolerant, and the device supports a power-down mode, ensuring the integrity of the data is maintained when the device is powered off.
- Multiple Configurations: Each multiplexer has two input ports (A and B), one output port (Y), and an output enable (OE) control, providing flexibility in addressing and routing signals.
- Low Power Consumption: Characterized by low quiescent current and a reduced power-down leakage current, which is essential for battery-operated devices.
- Bus Hold Feature: Maintains the last active input state when no input is present, reducing the need for external pull-up or pull-down resistors.
- Standard Pinout: Housed in a TSSOP16 package, the 74LVC257APW is compatible with industry-standard footprints, simplifying PCB design and layout.
Applications:
The 74LVC257APW is versatile and can be used in a variety of applications, including but not limited to:
- Function generators
- Data routing and signal gating
- Communication systems
- Computer peripheral interfacing
- Control systems
With its combination of high-speed operation, low power consumption, and robust protection features, the 74LVC257APW from NXP is an excellent choice for designers looking to optimize their digital multiplexing applications.