AT49F040B Description
The AT49F040B 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 over the mercial temperature range.
AT49F040B Key Features
- Single Supply for Read and Write: 4.5 to 5.5V Fast Read Access Time
- 55 ns Internal Program Control and Timer Flexible Sector Architecture
- One 16K Bytes Boot Sector with Programming Lockout
- Two 8K Bytes Parameter Sectors
- Eight Main Memory Sectors (One 32K Bytes, Seven 64K Bytes) Fast Erase Cycle Time
- 8 Seconds Byte-by-Byte Programming
- 12 µs/Byte Typical Hardware Data Protection DATA Polling or Toggle Bit for End of Program Detection Low Power Dissipatio
- 20 mA Active Current
- 25 µA CMOS Standby Current Minimum 100,000 Write Cycles