描述 Description

The AT49BV/LV002(N)(T) is a 3-volt-only in-system reprogrammable Flash Memory. Its 2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 70ns with power dissipation of just 90 mW over the commercial temperature range.

特性 Features

? Single Supply for Read and Write: 2.7V to 3.6 (BV), 3.0 to 3.6V (LV)

? Fast Read Access Time - 70 ns

? Internal Program Control and Timer

? Sector Architecture

– One 16K Byte Boot Block with Programming Lockout

– Two 8K Byte Parameter Blocks

– Two Main Memory Blocks (96K, 128K) Bytes

? Fast Erase Cycle Time - 10 seconds

? Byte By Byte Programming - 30 μs/Byte Typical

? Hardware Data Protection

? DATA Polling For End Of Program Detection

? Low Power Dissipation

– 25 mA Active Current

– 50 μA CMOS Standby Current

? Typical 10,000 Write Cycles