Features

■256Kx8-bit Organization

■Address Access Time: 55, 90 ns

■Single 5V ±10 Power Supply

■Sector Erase Mode Operation

■16KB Boot Block (lockable)

■512 bytes per Sector, 512 Sectors

– Sector-Erase Cycle Time: 10ms (Max)

– Byte-Write Cycle Time: 20µs (Max)

■Minimum 10,000 Erase-Program Cycles

■Low power dissipation

– Active Read Current: 20mA (Typ)

– Active Program Current: 30mA (Typ)

– Standby Current: 100µA (Max)

■Hardware Data Protection

■Low VCCProgram Inhibit Below 3.5V