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IS25WD040 - 2 Mbit / 4 Mbit Single Operating Voltage Serial Flash Memory

Download the IS25WD040 datasheet PDF. This datasheet also covers the IS25WD020 variant, as both devices belong to the same 2 mbit / 4 mbit single operating voltage serial flash memory family and are provided as variant models within a single manufacturer datasheet.

Description

The IS25WD020/040 are 2 Mbit / 4Mbit Serial Peripheral Interface (SPI) Flash memories, providing single- or dual-output.

The devices are designed to support a 30 MHz fclock rate in normal read mode, and 80 MHz in fast read, the fastest in the industry.

Features

  • Single Power Supply Operation - Low voltage range: 1.65 V.
  • 1.95 V.
  • Memory Organization - IS25WD020: 256K x 8 (2 Mbit) - IS25WD040: 512K x 8 (4 Mbit).
  • Cost Effective Sector/Block Architecture - 2Mb : Uniform 4KByte sectors / Four uniform 64KByte blocks - 4Mb : Uniform 4KByte sectors / Eight uniform 64KByte blocks.
  • Serial Peripheral Interface (SPI) Compatible - Supports single- or dual-output - Supports SPI Modes 0 and 3 - Maximum 30 MHz clock rate fo.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IS25WD020-ISSI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by ISSI (now Infineon)

Part Number Description
IS25WD020 2 Mbit / 4 Mbit Single Operating Voltage Serial Flash Memory
IS25WE512M 512Mb SERIAL FLASH MEMORY
IS25WJ016F 16Mb 1.8V SERIAL FLASH MEMORY
IS25WJ032F 32Mb 1.8V SERIAL FLASH MEMORY
IS25WJ128F 128Mb 1.8V SERIAL FLASH MEMORY

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
IS25WD020/040 2 Mbit / 4 Mbit Single Operating Voltage Serial Flash Memory With 80 MHz Dual-Output SPI Bus Interface FEATURES • Single Power Supply Operation - Low voltage range: 1.65 V – 1.95 V • Memory Organization - IS25WD020: 256K x 8 (2 Mbit) - IS25WD040: 512K x 8 (4 Mbit) • Cost Effective Sector/Block Architecture - 2Mb : Uniform 4KByte sectors / Four uniform 64KByte blocks - 4Mb : Uniform 4KByte sectors / Eight uniform 64KByte blocks • Serial Peripheral Interface (SPI) Compatible - Supports single- or dual-output - Supports SPI Modes 0 and 3 - Maximum 30 MHz clock rate for normal read - Maximum 80 MHz clock rate for fast read • Page Program (up to 256 Bytes) Operation - Typical 2 ms per page program • Sector, Block or Chip Erase Operation - Typical 1.
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