KS0070B is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology. It is capable of displaying 1 or 2 lines with the 5´7 format or 1 line with the 5´10 dots format.
KS0066U is a dot matrix LCD driver & controller LSI whichis fabricated by low power CMOS technology. It can display 1or 2 lines with the 5´8 dots format or 1 line with the 5´11 dots format.