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

• DATA Polling 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