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.

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