Volatile is the type of memory it has. Tape & Reel (TR)-cases are available. The file is embedded in a 44-TSOP (0.400, 10.16mm Width) case. A memory chip with a capacity of 4Mb 256K x 16 is used on this device. There is a mainstream memory format used by this device, which is called SRAM-format memory. Due to its wide operating temperature range, this device can be used in a wide variety of demanding applications. The device is capable of handling a supply voltage of 2.7V~5.5V volts. There is a recommendation that Surface Mount mounting type should be used for this product. It is noted that the operating supply voltage of this memory is 3V.