There is a memory type Volatile for this type of device. It is supplied votage within Tray. It is available in 44-TSOP (0.400, 10.16mm Width) case. There is an 4Mb 512K x 8 memory capacity on the chip. This device uses a SRAM-format memory, which is of mainstream design. A wide operating temperature range makes this device ideal for a variety of demanding applications. There is a voltage range of 3V~3.6V for the supply voltage. There is a recommendation that Surface Mount mounting type should be used for this product. There is a note stating that this memory chip operates at 3.3V. Using 1 ports, a single memory address can be read and/or written. A minimum operating temperature of 0°C must be met by this device. The temperature should not exceed 70°C degrees Celsius. Ideally, this part should be supplied with a voltage of at least 3V. An operating voltage of no more than 3.6V is required.