Introduction
This application note describes the internal architecture of Cypress’ asynchronous FIFO CY7C421. A summary of key device features, applications, failure modes, typical problem symptoms and solutions is also included.
The content of the application note has been captured in a training module. This audio visual tutorial provides an introduction to FIFO architecture & its functionality. It explains the features of asynchronous FIFOs such as flags, retransmit functionality & expansion logic. It also briefly discusses the applications of Asynchronous FIFOs.