Non-Volatile is its memory type. There is a Tray case available. In the case of 48-TFSOP (0.724, 18.40mm Width), it is embedded within the case. There is 4Mb 512K x 8 256K x 16 of memory on the chip. The device uses a mainstream FLASH-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 4.5V~5.5V. It is recommended to mount it in the Surface Mount mounting type. A device's base part number, M29F400, is often used in order to identify similar components. The memory device is enclosed in a package with an 48-pin connector. It is noted that the operating supply voltage of this memory is 5V. Memory ics must operate at a temperature of at least 0°C. As a general rule, memory ics is recommended that the product be operated at temperatures no higher than 70°Cc, otherwise, damage could be done to it.