Features • Single 2.7V - 3.6V Supply • Serial-.
AT45DB321D - 2.5V or 2.7V DataFlash
AT45DB321E - 2.3V Minimum SPI Serial Flash Memory
AT45DB321 - 32-Megabit 2.7-volt Only Serial DataFlash
AT45DB321D - 32-megabit 2.7-volt DataFlash
AT45DB321B - 32-megabit 2.7-volt Only DataFlash
AT45DB321C - 32 MEGABIT 2.7 VOLT DATAFLASH