IC nhớ AT25DF041A-SSH:- Kiểu chân: 8-SOIC (150 mil); Hãng: ATMEL;- 4Mbit, 70MHz Serial Firmware DataFlash®, SPI Mode 0 and 3 Compatible, Byte and Page Program, Block Erase (4KB, 32KB, and 64KB) and Chip Erase.