Product Overview: 74LV257D from NXP Semiconductors

The 74LV257D is a high-performance, low-voltage quadruple 2-input multiplexer with 3-state outputs, designed by NXP Semiconductors. This integrated circuit is part of the 74LV family, which operates on a power supply range of 2.0V to 5.5V. The device is particularly suitable for battery-operated devices due to its low power consumption and wide operating voltage range.

The 74LV257D offers four multiplexers with common select inputs and separate enable inputs. Each multiplexer has two 2-inputs (A and B), with the output providing either the A or B input, depending on the state of the select input. The 3-state outputs ensure that the device can be connected directly to a bus or data lines, allowing for multiplexing and data routing applications within digital systems.

Featuring a 5V tolerant input capability, the 74LV257D can be used in mixed-voltage environments, interfacing seamlessly with the 5V logic levels while operating at lower voltage levels for power efficiency. The device also provides high noise immunity and the ability to drive 15 LSTTL loads, making it a versatile choice for interfacing with various logic families.

Constructed with silicon gate CMOS technology, the 74LV257D boasts a significant reduction in quiescent power consumption compared to its TTL counterparts, making it an eco-friendly and cost-effective solution for modern electronic designs. With its balanced propagation delays and output transition times, the device is optimized for high-speed signal processing, ensuring reliable performance in critical applications.

The 74LV257D is available in a standard SOIC-16 package, which is compatible with surface mount technology (SMT), thus offering a compact footprint for space-constrained applications. The packaging is also conducive to automated assembly processes, reducing manufacturing time and costs.

In summary, the NXP 74LV257D is a versatile and efficient choice for designers looking to implement multiplexing functions in their low-voltage or portable electronic systems, without compromising on speed or power consumption.