DATA SHEET MOS INTEGRATED CIRCUIT µPD23C128040B.
UPD23C128040BL - (UPD23C128040BL / UPD23C128080BL) 128M-BIT MASK-PROGRAMMABLE ROM
UPD23C128080BL - (UPD23C128040BL / UPD23C128080BL) 128M-BIT MASK-PROGRAMMABLE ROM