2 Megabit (256K x 8-bit) Flash Memory
• 5.0V ± 10% for both read/write operation • Read Access Time - 45ns, 55ns, 70ns, and 90ns • Fast Read Access Time - 70ns with Cload = 100pF - 45ns, 55ns with Cload = 30pF • Sector Architecture: One 16K byte Boot Sector, Two 8K byte Parameter Sectors, one 32K byte and three 64K byte main Sectors • Boot Block Top/Bottom Programming Architecture • High performance program/erase speed - Byte program time: 10µs typical - Sector erase time: 500ms typical - Chip erase time: 3.5s typical • Low Standby Current - 1µA CMOS standby current-typical - 1mA TTL standby current • Low Power Active Current - 30mA active read current - 30mA program / erase current • JEDEC Standard program and erase commands
