74LS157 QUAD 2-INPUT DATA SELECTOR / MULTIPLEXER
74LS158 QUAD 2-INPUT MULTIPLEXER INVERTING
74LS160 PRESETTABLE SYNCHRONOUS BCD DECADE COUNTER
74LS161 PRESETTABLE SYNCHRONOUS 4-BIT BINARY COUNTER
74LS162 PRESETTABLE SYNCHRONOUS BCD DECADE COUNTER
74LS163 PRESETTABLE SYNCHRONOUS 4-BIT BINARY COUNTER
74LS164 8-BIT SERIAL-IN / PARALLEL-OUT SHIFT REGISTER
74LS165 8-BIT PARALLEL-IN / SERIAL-OUT SHIFT REGISTER
74LS168 SYNCHRONOUS BI-DIRECTIONAL BCD / DECADE COUNTERS
74LS169 SYNCHRONOUS 4-BIT UP / DOWN BINARY COUNTER
74LS170 4-BY-4 REGISTER FILES - OPEN COLLECTOR OUTPUT
74LS173 QUAD D-TYPE FILP-FLOP 3-STATE
74LS174 HEX D-TYPE FLIP-FLOP WITH RESET
74LS175 QUAD D-TYPE FLIP-FLOP WITH RESET
74LS181 4-BIT ARITHMETIC LOGIC UNIT
74LS183 DUAL CARRY / SAVE FULL ADDER
74LS189 64-BIT RANDOM ACCESS MEMORY
74LS190 4-BIT SYNCHRONOUS UP / DOWN COUNTER