AT49F004T中文资料爱特梅尔数据手册PDF规格书

Description

The AT49F004(T) and AT49F4096A(T) are 5-volt, 4-megabit Flash Memories orga nized as 524,288 words of 8 bits each or 256K words of 16 bits each. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the devices offer access times to 55 ns with power dissipation of just 275 mW. When deselected, the CMOS standby

current is less than 300 µA.

Features

• Single Voltage Operation

–5V Read

– 5V Programming

• Fast Read Access Time - 55 ns

• Internal Erase/Program Control

• Sector Architecture

– One 8K Words (16K bytes) Boot Block with Programming Lockout

– Two 4K Words (8K bytes) Parameter Blocks

– One 240K Words (480K bytes) Main Memory Array Block

• Fast Sector Erase Time - 10 seconds

• Byte-by-Byte or Word-By-Word Programming - 10 µs Typical

• Hardware Data Protection

• DATAPolling For End Of Program Detection

• Low-Power Dissipation

– 50 mA Active Current

– 300 µA CMOS Standby Current

• Typical 10,000 Write Cycles