AT29BV020-35JI中文资料爱特梅尔数据手册PDF规格书

描述 Description

The AT29BV020 is a 2.7-volt-only in-system Flash Programmable and Erasable Read Only Memory (PEROM). Its 2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS EEPROM technology, the device offers access times up to 250 ns, and a low 54 mW power dissipation.

特性 Features

• Single Supply Voltage, Range 2.7V to 3.6V

• Single Supply for Read and Write

• Software Protected Programming

• Fast Read Access Time - 250 ns

• Low Power Dissipation

15 mA Active Current

20 µA CMOS Standby Current

• Sector Program Operation

Single Cycle Reprogram (Erase and Program)

1024 Sectors (256 bytes/sector)

Internal Address and Data Latches for 256-Bytes

• Two 8 KB Boot Blocks with Lockout

• Fast Sector Program Cycle Time - 20 ms Max.

• Internal Program Control and Timer

• DATA Polling for End of Program Detection

• Typical Endurance > 10,000 Cycles

• CMOS and TTL Compatible Inputs and Outputs

• Commercial and Industrial Temperature Ranges