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GENERAL DESCRIPTION

The A25L016 is 16M bit Serial Flash Memory, with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus. The memory can be programmed 1 to 256 bytes at a time,using the Page Program instruction. The memory is organized as 32 blocks, each containing 16sectors. Each sector is composed of 16 pages. Each page is 256 bytes wide. Thus, the whole memory can be viewed as consisting of 8,192 pages, or 2,097,152 bytes. The whole memory can be erased using the Chip Erase instruction, a block at a time, using Block Erase instruction, or a

sector at a time, using the Sector Erase instruction.

FEATURES

? Family of Serial Flash Memories

- A25L016: 16M-bit /2M-byte

? Flexible Sector Architecture with 4KB sectors

- Sector Erase (4K-bytes) in 80ms (typical)

- Block Erase (64K-bytes) in 500ms (typical)

? Page Program (up to 256 Bytes) in 2ms (typical)

? 2.7 to 3.6V Single Supply Voltage

? Dual input / output instructions resulting in an equivalent

clock frequency of 200MHz:

- Dual Output Fast Read Instruction

- Dual Input and Output Fast Read Instruction

? SPI Bus Compatible Serial Interface

? 100MHz Clock Rate (maximum)

? 16Mbit Flash memory

- Uniform 4-Kbyte sectors

- Uniform 64-Kbyte blocks