CD4521 24-STAGE FREQ. DIVIDERDIL-16
CD4522 PROGR.4-BIT BCD DOWN CODIL-16
CD4526 PROGR.4-BIT BIN DOWN CODIL-16
CD4528 DUAL MONOSTABLE MULTIVIDIL-16
CD4553 3-DIGIT BCD COUNTERDIL-16
CD4556 DUAL 1 OF 4 DECODER (LODIL-16
CD4001 QUAD 2-INPUT NOR GATEDIL-14 TEXAS INSTRUMENTS
