The DS1225Y-150+ is a nonvolatile static RAM (NVSRAM) from Maxim Integrated. It features a 1Mb (128K x 8) nvSRAM with a 150ns access time and an automatic power-fail chip enable. This device offers unlimited write cycles and a minimum data retention of 10 years. The DS1225Y-150+ operates with a wide voltage range of 4.5V to 5.5V, making it suitable for various applications. It is housed in a 28-pin DIP package and has a low standby current of 100µA. The DS1225Y-150+ also includes an integrated lithium energy source, eliminating the need for an external battery or capacitor. This NVSRAM is ideal for applications that require reliable nonvolatile memory with fast access times and high endurance