The A25L16P is a 16 Mbit (2M x 8) 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 sectors, each containing 256 pages.
Each page is 256 bytes wide.
Thus, the whole memory can be viewed as consisting of 8192 pages, or 2,097,152 bytes.
The whole memory can be erased using the Bulk Erase instruction, or a sector at a time, using the Sector Erase instruction.

* 16 Mbit of Flash Memory
* Flexible Sector Architecture (4/4/8/16/32)KB/64x31 KB
* Bulk Erase (16 Mbit) in 20s (typical)
* Sector Erase (512 Kbit) in 1s (typical)
* Page Program (up to 256 Bytes) in 1.5ms (typical)
* 2.7 to 3.6V Single Supply Voltage
* SPI Bus Compatible Serial Interface
* 85MHz Clock Rate (maximum)
* Fast Read Dual Operation Instruction (3Bh/BBh)
* Deep Power-down Mode 1μA (typical)
* Top or Bottom Boot Block Configuration Available
* Electronic Signature
- JEDEC Standard Two-Byte Signature (2015h, Bottom;or 2025, Top)
- RES Instruction, One-Byte, Signature (14h)
* Package Options
- 8-pin SOP (209mil), 16-pin SOP, or 8-pin QFN
- All Pb-free (Lead-free) products are ROHS complaint


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