A28F200BX-T B 2-MBIT (128K x 16 256K x 8) BOOT BLO.
PA28F200BX - 2-MBIT BOOT BLOCK FLASH MEMORY
A28F200BX-T - 2-MBIT BOOT BLOCK FLASH MEMORY
A28F200BX-B - 2-MBIT BOOT BLOCK FLASH MEMORY