E28F640J3A-120

Flash Mem Parallel 56Pin TSOP

The 0.25 µ 3 Volt StrataFlash memory family contains high-density memories organized as 16 Mbytes or 8 Mwords 128-Mbit, 8 Mbytes or 4 Mwords 64-Mbit, and 4 Mbytes or 2 Mwords 32-Mbit. These devices can be accessed as 8- or 16-bit words. The 128-Mbit device is organized as one-hundred-twenty-eight 128-Kbyte 131,072 bytes erase blocks. The 64-Mbit device is organized as sixty-four 128-Kbyte erase blocks while the 32-Mbits device contains thirty-two 128-Kbyte erase blocks. Blocks are selectively and individually lockable and unlockable in system. A 128-bit protection register has multiple uses, including unique flash device identification.