GENERAL DESCRIPTION
The EN25B05 is a 512 K-bit (64K-byte) Serial Flash memory, with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus. The memory can be programmed 1 to 256 bytes at a time, using the Page Program instruction.

FEATURES
• Single power supply operation
   - Full voltage range: 2.7-3.6 volt
• 512 K-bit Serial Flash
   - 512 K-bit/64 K-byte/256 pages
   - 256 bytes per programmable page
• High performance
   - 75MHz clock rate
• Low power consumption
   - 5 mA typical active current
   - 1 μA typical power down current
• Flexible Sector Architecture:
   - Two 4-Kbyte, one 8-Kbyte, one 16-Kbyte,one 32-Kbyte sectors
• Software and Hardware Write Protection:
   - Write Protect all or portion of memory via software
   - Enable/Disable protection with WP# pin
• High performance program/erase speed
   - Byte program time: 8µs typical
   - Page program time: 1.5ms typical
   - Sector erase time: 300 to 500ms typical
   - Chip erase time: 1.5 Seconds typical
• Minimum 100K endurance cycle
• Package Options
   - 8 pins SOP 150mil body width
   - 8 contact VDFN
• Commercial and industrial temperature Range