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EN25QH4A , EN25QH32A , EN25QH64A , EN25QH128A



The EN25QH32A is a 32 Megabit (4,096 K-byte) Serial Flash memory, with enhanced write protection mechanisms.  The  EN25QH32A  supports  the  standard  Serial  Peripheral  Interface  (SPI),  and  a  high  performance  Dual/Quad  output  as  well  as  Dual/Quad  I/O  using  SPI  pins:  Serial  Clock,  Chip  Select,  Serial  DQ0(DI),  DQ1(DO),  DQ2(WP#)  and  DQ3(HOLD#).  SPI  clock  frequencies  of  up  to  104MHz  are  supported  allowing  equivalent  clock  rates  of  208MHz  (104MHz  x  2)  for  Dual  Output  and  416MHz  (104MHz x 4) for Quad Output when using the Dual/Quad I/O Fast Read instructions. The memory can be programmed 1 to 256 bytes at a time, using the Page Program instruction. The EN25QH32A is designed to allow either single Sector/Block at a time or full chip erase operation. The EN25QH32A can be configured to protect part of the memory as the software protected mode. The device can sustain a minimum of 100K program/erase cycles on each sector or block.  EN25QH32A32 Megabit Serial Flash Memorywith 4Kbyte Uniform Sector.



• Single power supply operation

- Full voltage range: 2.7-3.6 volt

• Serial Interface Architecture

- SPI Compatible: Mode 0 and Mode 3

• 32 M-bit Serial Flash

- 32 M-bit/4,096 K-byte/16,384 pages

- 256 bytes per programmable page

• High performance

- 104MHz clock rate for Standard SPI

- 104MHz clock rate for two data bits

- 104MHz clock rate for four data bits

Manufacturers:Eon Electric


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