N25Q256A

3V, 256Mb: Multiple I/O Serial Flash Memory Features Micron Serial NOR Flash Memory 3V, Multiple I/O, 4KB Sector Erase N25Q256A Features SPI-compatible serial bus interface Double transfer rate (DTR) mode 2.7–3.6V single supply voltage 108 MHz (MAX) clock frequency supported for all protocols in single transfer rate (STR) mode 54 MHz (MAX) clock frequency supported for all protocols in DTR mode Dual/quad I/O instruction provides increased throughput up to 54 MB/s Supported protocols – Extended SPI, dual I/O, and quad I/O – DTR mode supported on all Execute-in-place (XIP) mode for all three protocols – Configurable via volatile or nonvolatile registers – Enables memory to work in XIP mode directly af- ter power-on PROGRAM/ERASE SUSPEND operations Continuous read of entire memory via a single com- mand – Fast read – Quad or dual output fast read – Quad or dual I/O fast read Flexible to fit application – Configurable number of dummy cycles – Output buffer configurable Software reset 3-byte and 4-byte addressability mode supported 64-byte, user-lockable, one-time programmable (OTP) dedicated area An additional reset pin is available on the following devices – N25Q256A83ESF40x, N25Q256A83E1240x, N25Q256A83ESFA0F Erase capability – Subsector erase 4KB uniform granularity blocks – Sector erase 64KB uniform granularity blocks – Full-chip erase Write protection – Software write protection applicable to every 64KB sector via volatile lock bit – Hardw...