The Infineon AM29F400BT-55EF is a 4 Mbit, 5V-only, single supply CMOS flash memory device, designed to store code and data. This device is available in a 48-pin TSOP-II package, and features a program execution acceleration mode. It can be programmed in the stand-alone system, or interfaced to a host computer. It features 5 ns read and write speeds and has a rated endurance of 1,000,000 erase/write cycles. This device also incorporates password protection and is suitable for automotive modules, consumer and industrial applications.