In terms of its memory type, it can be classified as Non-Volatile. There is a Bulk case available. There is a 48-TFSOP (0.724, 18.40mm Width) case embedded in it. The chip has an 4Mb 512K x 8 256K x 16 memory. There is a FLASH-format memory used in this device, which is the memory format used by mainstream devices. This device has an extended operating temperature range of -40°C~85°C TA, so it's perfect for a wide range of demanding applications. There is a voltage range of 4.5V~5.5V for the supply voltage. The recommended mounting type for memory ics is Surface Mount. The chip is terminated with 48 terminations. The comprehensive working procedure of this part involves 1 functions. The memory device is designed to be supplied with an 5V volt power supply in order to operate properly. It is common to select similar parts by referring to the device's base part number, MT28F400B5. This memory device has 48 pins, indicating it has 48 memory locations. Despite all its merits, this chip also features TOP BOOT BLOCK to boost system performance. Power supplies for this memory chip are merely 5V . In order to operate your device, you will need to provide a maximum supply current of 0.055mA. To alter the state of certain nonvolatile memory arrays, 5V programming voltage is required. Total, there are 1213 specifically sized divisions within this memory.