BUY SN74LS682N https://www.utsource.net/itm/p/1726403.html
8-BIT MAGNITUDE/IDENTITY COMPARATORS
Description: The SN74LS682N is a 4-bit magnitude comparator with open-collector outputs from Texas Instruments. Features: - Inputs and outputs are TTL-compatible - Outputs are open-collector - Outputs can be connected to other open-collector outputs to implement a wired-OR function - Outputs can be connected to other TTL inputs without the need for pull-up resistors - Low power consumption Applications: - Magnitude comparison of two 4-bit binary words - Digital logic circuits - Digital control systems - Digital signal processing (For reference only)