onsemi 20-SOIC DM74ALS521WMX

The DM74ALS521WMX is a member of the 74ALS logic family manufactured by Fairchild Semiconductor (previously National Semiconductor). It's an 8-bit comparator IC that operates with a voltage range from 4.5 V to 5.5 V and offers low active outputs. This device has typical propagation delays of 20ns at 5V and supports up to 50pF capacitive loads, making it suitable for high-speed applications. Suppliers like Vicoo Electronic Market Network and Makepolo provide this component in various packages such as SOP or DIP, often offering datasheets, pricing, and stock information for both original and new stock. The chip is also available on e-commerce platforms like Alibaba and Taobao for purchase.