155-0023-00

Custom R-1 Numerical Character Generator IC (Base Timing Variant): A proprietary 16-pin DIP read-only memory matrix converter designed to hold the specific analog deflection vector maps required to paint numerals 0 through 9 on the display screen. Unit Sourcing Compatibility: This component came out of the character generation daughterboards and font-decoding networks of the Tektronix 7403N, 7603, 7704, 7834, and 7904 laboratory oscilloscopes.