AT49F040A-55JI Datasheet PDF - ATMEL

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