IC FLASH 4Mbit 55NS 32TSOP
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 165 mW over the commercial temperature range.
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
• DATAPolling for End of Program Detection
• Low Power Dissipation
– 30 mA Active Current
– 70 µA CMOS Standby Current
• Typical 10,000 Write Cycles
• Green Pb/Halide-free Packaging Option