SN74LVC257ANSR - Quad 2-Input Multiplexer from Texas Instruments
The SN74LVC257ANSR is a high-performance, quad 2-input multiplexer that is part of Texas Instruments' 74LVC family of products. This device is designed to operate from a 2.7 V to 3.6 V power supply, making it ideal for interfacing with 3.3 V systems. With its wide operating voltage range and low-power consumption, the SN74LVC257ANSR is a versatile component for a variety of digital applications.
The multiplexer features four individual 2-input multiplexers with common select and output-enable inputs. Each multiplexer has two data inputs (A and B), one select input (S), and one output (Y). The select input determines which data input is connected to the output. When the output enable (OE) is low, the selected data input is passed to the output; when OE is high, the output is in the high-impedance state.
One of the key attributes of the SN74LVC257ANSR is its ability to support mixed-mode signal operation. This means it can handle both 5V tolerant inputs and undershoot protection, allowing it to interface with a wide range of digital logic levels. This feature is particularly beneficial in mixed-voltage systems and aids in bridging the gap between different logic families.
The SN74LVC257ANSR also boasts a high drive capability, with the ability to drive up to 24 mA at the outputs without compromising speed or power consumption. This makes it suitable for driving heavier loads in your digital circuits. The device also features low on-state resistance, which contributes to its efficient performance.
Designed with the latest LVC (Low-Voltage CMOS) technology, the SN74LVC257ANSR offers excellent propagation delay characteristics and reduced power dissipation. This makes it an excellent choice for high-speed operation in power-sensitive applications. Additionally, the device is available in a compact 16-pin SOP (Small Outline Package), which is beneficial for space-constrained applications.
Whether you're designing consumer electronics, embedded systems, or communication devices, the SN74LVC257ANSR from Texas Instruments provides the reliability and performance you need for your multiplexing applications.