FM25W04
The FM25W04 is a 4M-bit (512K-byte) Serial Flash memory, with advanced write protection mechanisms. The FM25W04 supports the standard Serial Peripheral Interface (SPI), Dual/Quad I/O as well as 2-clock instruction cycle Quad Peripheral Interface (QPI). They are ideal for code shadowing to RAM, executing code directly from Dual/Quad SPI (XIP) and storing voice, text and data.
The FM25W04 can be programmed 1 to 256 bytes at a time, using the Page Program instruction. It is designed to allow either single Sector/Block at a time or full chip erase operation. The FM25W04 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.
Features
4Mbit of Flash memory
– 128 uniform sectors with 4K-byte each
– 8 uniform blocks with 64K-byte each or
– 16 uniform blocks with 32K-byte each
– 256 bytes per programmable page
Wide Operation Range
– 1.65V~3.6V single voltage supply
– Industrial temperature range
Serial Interface
– Standard SPI: CLK, CS#, DI, DO, WP#
– Dual SPI: CLK, CS#, DQ0, DQ1, WP#
– Quad SPI: CLK, CS#, DQ0, DQ1, DQ2, DQ3
– QPI: CLK, CS#, DQ0, DQ1, DQ2, DQ3
– Continuous READ mode support
– Allow true XIP(execute in place) operation
High Performance
– Max FAST_READ clock frequency: 100MHz
– Max READ clock frequency: 50MHz
– Typical page program time: 0.5ms
– Typical sector erase time: 80ms
– Typical block erase time: 250/400ms
– Typical chip erase time: 3s
Low Power Consumption
– Typical Deep Power Down current: <1μA
Security
– Software and hardware write protection
– Lockable4X256-Byte OTP security Pages
– 64-Bit Unique ID for each device
– Discoverable parameters(SFDP) register
