AT49F020-55JC中文资料爱特梅尔数据手册PDF规格书

描述 Description

The AT49F020 is a 5-volt only in-system Flash Memory. Its 2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with Atmel’s advanced nonvola tile CMOS technology, the device offers access times to 90 ns with power dissipation of just 275 mW over the commercial temperature range. When the device is dese lected, the CMOS standby current is less than 100 µA.

特性 Features

• Single Voltage Operation

– 5V Read

– 5V Reprogramming

• Fast Read Access Time - 90 ns

• Internal Program Control and Timer

• 8K Bytes Boot Block With Lockout

• Fast Erase Cycle Time - 10 seconds

• Byte-By-Byte Programming - 50 µs/Byte

• Hardware Data Protection

• DATAPolling For End Of Program Detection

• Low Power Dissipation

– 50 mA Active Current

– 100 µA CMOS Standby Current

• Typical 10,000 Write Cycles