AT49F002NT-70PC集成电路（IC）的存储器规格书PDF中文资料

描述 Description

The AT49F002(N)(T) is a 5-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 55 ns with power dissipation of just 275 mW over the commercial temperature range.

特性 Features

• Single-voltage Operation

– 5V Read

– 5V Reprogramming

• Fast Read Access Time - 55 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 - 10 µs/Byte Typical

• Hardware Data Protection

• DATA Polling for End of Program Detection

• Low Power Dissipation

– 50 mA Active Current

– 100 µA CMOS Standby Current

• Typical 10,000 Write Cycles