74LS257 QUAD 2-INPUT MULTIPLEXER 3-STATE
74LS258 QUAD 2-INPUT MULTIPLEXER 3-STATE INVERTER
74LS259 8- BIT ADDRESSABLE LATCH
74LS260 DUAL 5-INPUT NOR GATE
74LS266 QUAD EXCLUSIVE NOR GATE WITH OPEN COLLECTOR
74LS273 OCTAL D-TYPE FLIP-FLOP
74LS279 QUAD S-R LATCH
74LS280 9-BIT ODD / EVEN PARITY GENERATOR / CHECKER
74LS283 4-BIT BINARY FULL ADDER WITH CARRY
74LS290 DECADE COUNTER
74LS293 4-BIT BINARY COUNTER
74LS298 QUAD 2-INPUT MULTIPLEXER WITH STORAGE
74LS301 256 x 1-BIT TTL RAM
74LS320 CRYSTAL-CONTROLLED OSCILLATOR
74LS323 8-BIT UNIVERSAL SHIFT / STORAGE REGISTER
74LS347 BCD TO 7-SEGMENT DECODER / DRIVER
74LS352 DUAL 4-TO-1-LINE DATA SELECTOR / MULTIPLEXER
74LS353 DUAL 4-TO-1-LINE SELECTOR / MULTIPLEXER - INVERTED OUTPUT