Digital TTL Integrated Circuit Specification Sheets:
74LS00 Quad 2-Input NAND Gate
74LS02 Quad 2-Input NOR Gate
74LS04 Hex Inverting Gates
74LS08 Quad 2-Input AND Gates
74LS10 Triple 3-input NAND Gate Datasheet
74LS20 Dual 4-input NAND Gate
74LS32 Quad 2-input OR Gate
74LS74 Dual Positive-Edge-Triggered D Flip-Flops with Preset and Clear
74LS83 4-Bit Binary Adder with Fast Carry
74LS126 Quad 3-State Buffers
74LS138 Decoders Demultiplexers
74LS157 Quad 2-Line to 1-Line Data Selectors Multiplexers
74LS161 4-BIT Binary Counters
74LS173 4-BIT D-Type Register with 3-State Output with Clear
74LS175 Quad D Flip-Flops with Clear
74LS181 4-Bit Arithmetic Logic Unit
74LS192 Presettable BCD Decade Counter
74LS193 Synchronous 4-Bit Binary Counter with Dual Clock
74LS240 Octal Buffer Line Driver with 3-State Output
74LS245 Octal Bus Transceiver
74LS273 8-Bit Register with Clear
74LS289 64-Bit Random Access Memory
74LS373 3-State Octal D-Type Transparent Latches
74LS374 3-State Octal D-Type Transparent Latches
74LS377 Octal D-Type Flip-Flop with Common Enable and Clock
74LS574 Octal D-Type Flip-Flop with 3-State Outputs