M29F200T and M29F200B are 2 Mbit (256Kb x8 or 128Kb x16, Boot Block) Single Supply Flash Memory. It features fast access time, fast programming time and low power consumption.
3819 is a 8-bit microcomputer based on the 740 family core technology. It has a flourescent display automatic display circuit and an 16-channel 8-bit A-D converter as additional functions.