The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and datastorage applications. The AT45DB321C supports a 4-wire serial interface known as RapidS for applications requiring very high speed operations. Its 34,603,008 bits of memory are organized as 8192 pages of 528 bytes each. In addition to the 33-megabit main memory, the AT45DB321C also contains two SRAM buffers of 528 bytes each.