AT49BV002T-90VC集成电路（IC）的存储器规格书PDF中文资料

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