| 74LS00 |
Quad 2-input positive-NAND gates |
| 74LS02 |
Quad 2-input positive-NOR gates |
| 74LS03 |
Quad 2-input positive-NAND gates with open collector outputs |
| 74LS04 |
Hex inverters |
| 74LS05 |
Hex inverters with open collector outputs |
| 74LS07 |
Hex Buffers / Drivers with Open-Collector High-Vltage Outputs |
| 74LS08 |
Quadruple 2-Input Positive-AND Gates |
| 74LS10 |
Triple 3-input positive-NAND gates |
| 74LS11 |
Triple 3-input positive-AND gates |
| 74LS14 |
Hex schmitt-trigger inverters |
| 74LS20 |
Dual 4-input positive-NAND gates |
| 74LS32 |
Quad 2-input positive-OR gates |
| 74LS74 |
Dual D-type pos.-edge-triggered flip-flops with preset and clear |
| 74LS86 |
Quad 2-input exclusive-OR gates |
| 74LS93 |
4-Bit Binary Counters |
| 74LS123 |
Dual retriggerable monostable multivibrators |
| 74LS125 |
Quadruple Bus Buffers With 3-State Outputs |
| 74LS132 |
Quad 2-input positive-NAND Schmitt triggers |
| 74LS138 |
3-line to 8-line decoder / demultiplexer |
| 74LS139 |
Dual 2-line to 4-line decoders / demultiplexers |
| 74LS151 |
8-Line To 1-Line Data Selectors/Multiplexers |
| 74LS157 |
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers |
| 74LS163 |
Synchronous 4-Bit Binary Counters |
| 74LS164 |
Serial-in shift registers |
| 74LS221 |
Dual monostable multivibrators with Schmitt-trigger inputs |
| 74LS240 |
Octal buffers and line drivers |
| 74LS245 |
Octal bus transceivers |
| 74LS273 |
Octal D-Type Flip-Flops With Clear |
| 74LS373 |
Octal D-type Transparent Latches with 3-state Outputs |
| 74LS393 |
Dual 4-Bit Binary Counters |