SN74ALS518DWE4 by Texas Instruments

The SN74ALS518DWE4 is a high-performance integrated circuit designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This device belongs to the 74ALS (Advanced Low-Power Schottky) family and is specifically tailored for digital systems that require the comparison of binary values. It is commonly used in applications such as data processing, telecommunications, and control systems.

Key Features

• Logic Type: Binary Number Comparator
• Number of Bits: 8 bits per word, with a dual comparator configuration
• Supply Voltage Range: Typically 4.5V to 5.5V, which is ideal for TTL (Transistor-Transistor Logic) level systems
• Operating Temperature: The device is specified for operation from 0°C to 70°C, making it suitable for commercial temperature environments
• Output Type: The comparator provides both equality and magnitude results through separate outputs
• Package / Case: The SN74ALS518DWE4 comes in a SOIC-20 wide body package, which is conducive for surface-mount technology (SMT)
• Mounting Type: Surface Mount

Product Description

The SN74ALS518DWE4 offers a dual 8-bit binary comparator that allows for the direct comparison of two 8-bit words. The functionality of the device is essential when determining the equality or the relative magnitude of binary numbers. This IC features two outputs: the "equals" output indicates when both 8-bit inputs match, while the "greater than" output signifies when one input word is greater than the other.

Designed with advanced low-power Schottky technology, the SN74ALS518DWE4 ensures reduced power consumption while maintaining high-speed operation. The device's fast propagation delay and transition times are well-suited for high-frequency or fast clocked systems. Additionally, the robust input stages provide high noise immunity, a critical factor for reliable digital circuit operation.

Compatibility with standard TTL integrated circuits is guaranteed by the supply voltage specifications. This allows for easy integration into existing systems without the need for additional level shifting or power supply alterations. The surface-mount SOIC-20 wide body package ensures that the SN74ALS518DWE4 can be incorporated into space-constrained designs while providing ample pin separation for ease of PCB routing.

Overall, the SN74ALS518DWE4 from Texas Instruments is a versatile and reliable component for any digital system requiring binary number comparison, offering high performance and ease of integration.