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BUY AT49BV040B-JU https://www.utsource.net/itm/p/4234458.html
4-megabit (512K x 8) Flash Memory
Description: AT49BV040B-JU is a 4Mbit (512K x 8-bit) CMOS Flash Memory manufactured by Atmel. It is an electrically erasable programmable read-only memory (EEPROM) that is organized as 512K x 8 bits. Features: 4Mbit (512K x 8-bit) CMOS Flash Memory Low power consumption High speed access time: 70ns Single supply voltage: 2.7V to 3.6V Endurance: 100,000 program/erase cycles Data retention: 20 years Low voltage programming In-system programmable Packaging: PLCC32 Applications: The AT49BV040B-JU is suitable for a variety of applications such as data storage, code storage, and system configuration. It is commonly used in automotive, industrial, and consumer applications. (For reference only)