The SST39SF010A-45-4I-NHE is a 512K x 8bit SuperFlash® EEPROM manufactured by Microchip Technology. This high-performance nonvolatile memory device has a maximum read speed of 45MHz, a write speed of 33MHz, and features high-speed, single-byte and page programming capabilities. The device is offered in an industry-standard 40-pin DIP package with a 4Mbit capacity. It is suitable for a variety of applications such as automotive, mobile communication products, remote data collection, PC peripherals, and industrial control systems.