AT49F040A

Features Single-voltage Operation – 5V Read – 5V Reprogramming Fast Read Access Time – 55 ns Internal Program Control and Timer Sector Architecture – One 16K Bytes Boot Block with Programming Lockout – Two 8K Bytes Parameter Blocks – Eight Main Memory Blocks (One 32K Bytes, Seven 64K Bytes) Fast Erase Cycle Time – 6 Seconds Byte-by-Byte Programming – 20 µs/Byte Typical Hardware Data Protection DATA Polling for End of Program Detection Low Power Dissipation – 20 mA Active Current – 70 µA CMOS Standby Current Typical 10,000 Write Cycles Green (Pb/Halide-free) Packaging Option 4-megabit (512K x 8) 5-volt Only Flash Memory AT49F040A 1. Description The AT49F040A is a 5-volt only in-system reprogrammable Flash memory. Its 4 megabits of memory is organized as 524,288 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 55 ns with power dissipation of just 110 mW ...