In terms of its memory type, it can be classified as Non-Volatile. It is supplied votage within Tube. As you can see, it is embedded in 40-DIP Module (0.610, 15.495mm) case. 2Mb 128K x 16 is the chip's memory size. This device utilizes a NVSRAM format memory which is of mainstream design. -40°C~85°C TA is an extended operating temperature range, making this device ideal for demanding applications. With 3V~3.6V as the supply voltage, it is capable of handling memory ics. The recommended mounting type for memory ics is Through Hole. The chip is terminated with 40 terminations. It supports up to 1 functions for comprehensive operation. This ic memory chip is designed to be supplied with 3.3V. Similar parts are frequently selected using the ic memory chip's base part number, DS1258W. A 40-pin package containing this memory device is used to house this device. The memory device has a total of 40 pins, thus indicating that it has a total of 40 memory locations. As for power supplies, this memory chip requires just 3.3V . It is able to operate from a max supply current of 0.1mA. In most cases, this memory ics is regarded as being a type of SRAMs.