AT49F001AT-55JI集成电路（IC）的存储器规格书PDF中文资料

描述 Description

The AT49F001A(N)(T) is a 5-volt only in-system reprogrammable Flash memory. Its 1 megabit of memory is organized as 131,072 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 45 ns with power dissipation of just 110 mW over the industrial temperature range.

特性 Features

• Single-voltage Operation

– 5V Read

– 5V Reprogramming

• Fast Read Access Time – 45 ns

• Internal Program Control and Timer

• Sector Architecture

– One 16K Bytes Boot Block with Programming Lockout

– Two 8K Bytes Parameter Blocks

– Two Main Memory Blocks (32K Bytes, 64K Bytes)

• Fast Erase Cycle Time – 3 Seconds

• Byte-by-Byte Programming – 30 µs/Byte Typical

• Hardware Data Protection

• DATA Polling for End of Program Detection

• Low Power Dissipation

– 20 mA Active Current

– 50 µA CMOS Standby Current

• Typical 10,000 Write Cycles