The 74HC21N is a high-speed CMOS logic dual 4-input AND gate manufactured by Texas Instruments. It is a 14-pin DIP package.Description: The 74HC21N is a dual 4-input AND gate that provides high-speed operation and low power consumption. It is designed for use in high-speed logic applications.Features: High-speed operation Low power consumption Inputs are compatible with TTL levels Outputs are open-drain Outputs can be connected together for wired-AND applications Available in 14-pin DIP packageApplications: The 74HC21N is suitable for use in a wide range of applications, including logic gates, multiplexers, and data processing. It is also suitable for use in automotive and industrial control systems.(For reference only)
https://www.utsource.net/itm/p/612632.html

74HC21N
