The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited fo r a w i d e va r i e t y o f d i g i t a l vo i c e - , i m a g e - , p r o g r a m c o d e - a n d d a t a storage applications. The AT45DB321C supports a 4-wire serial interface known as RapidS for applications requiring very high speed operations.