Macronix MX25L25645G 256Mbit Serial NOR Flash SPI

The MX25L25645G is a 256Mb Serial NOR Flash memory that is internally configured as 33,554,432 x 8. When in dual or quad I/O mode, the structure changes to 134,217,728 bits x 2 or 67,108,864 bits x 4.

• Model: MX25L25645G - Original
• Package: SOP8
• Features: Single/Dual/Quad SPI and QPI operations
• Uniform 4KB erasable sectors & 32KB/64KB erasable blocks
• 268,435,456 x 1 bit structure
• Quad Peripheral Interface (QPI) reduces instruction overhead
• Frequency up to 133MHz
• Supply Voltage: 2.7 to 3.6V
• Operating temperature range: -40° to +85°C
• Program/Erase Suspend/Resume, Suspend Status Bit
• Factory-programmed unique ID
• Electronic ID with Dual/Quad I/O, hardware and software write protection for upper or lower blocks
• Volatile & Nonvolatile status registers
• Lock-Down and OTP protection
• Serial Flash Discoverable Parameters (SFDP)
• Software Reset & configurable hardware/RESET pin

Datasheet: https://www.macronix.com/Lists/Datasheet/Attachments/8735/MX25LM25645G,%203V,%20256Mb,%20v1.1.pdf