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LE25FW403A - 4M-bit Serial Flash Memory 30MHz SPI Bus

Description

Symbol SCK Pin Name Serial clock This pin controls the data input/output timing.

The input data and addresses are latched synchronized to the rising edge of the serial clock, and the data is output synchronized to the falling edge of the serial clock.

Features

  • Read/write operations enabled by single 3.0V power supply: 2.7 to 3.6V supply voltage range.
  • Operating frequency : 30MHz.
  • Temperature range : 0 to 70°C.
  • Serial interface : SPI mode 0, mode 3 supported.
  • Sector size : 256 bytes/page sector, 64K bytes/sector.
  • Page erase, sector erase, chip erase functions.
  • Page program function (1 to 256 bytes/page), Page write function (1 to 256 bytes/page).
  • Hardware protect function (lower 2.

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Full PDF Text Transcription

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Ordering number : EN*A1229A CMOS IC LE25FW403A Overview 4M-bit (512K×8) Serial Flash Memory 30MHz SPI Bus The LE25FW403A is an onboard programmable flash memory device with a 512K×8-bit configuration. It uses a single 3.0V power supply and supports the serial interface. It has three erase functions depending on the size of memory area in which the data is to be erased: the chip erase function, the sector (64K bytes) erase function, and a page (256 bytes) erase function. A page program method is supported for data writing and it can program any amount of data from 1 to 256 bytes. The page program time depends on the number of bytes programmed and the IC provides a high-speed program time of 1.5ms (typ) when programming 256 bytes at one time.
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