| 133041 | 54LS240 | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133042 | 54LS240DMQB | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133043 | 54LS240FMQB | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133044 | 54LS240LMQB | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133045 | 54LS241 | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133046 | 54LS241DMQB | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133047 | 54LS241FMQB | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133048 | 54LS241LMQB | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133049 | 54LS244 | Octal TRI-STATE Buffer/Line Driver/Line Receiver | National Semiconductor |
| 133050 | 54LS244DMQB | Octal TRI-STATEE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133051 | 54LS244FMQB | Octal TRI-STATEE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133052 | 54LS244LMQB | Octal TRI-STATEE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 133053 | 54LS245 | Octal TRI-STATE Bus Transceiver | National Semiconductor |
| 133054 | 54LS245DMQB | TRI-STATE Octal Bus Transceiver | National Semiconductor |
| 133055 | 54LS245FMQB | TRI-STATE Octal Bus Transceiver | National Semiconductor |
| 133056 | 54LS245LMQB | TRI-STATE Octal Bus Transceiver | National Semiconductor |
| 133057 | 54LS247DMQB | 7 V, BCD to 7-segment decoder/driver with open-collector output | National Semiconductor |
| 133058 | 54LS247FMQB | 7 V, BCD to 7-segment decoder/driver with open-collector output | National Semiconductor |
| 133059 | 54LS247LMQB | 7 V, BCD to 7-segment decoder/driver with open-collector output | National Semiconductor |
|
| 133060 | 54LS248DMQB | 7 V, BCD to 7-segment decoder | National Semiconductor |
| 133061 | 54LS248FMQB | 7 V, BCD to 7-segment decoder | National Semiconductor |
| 133062 | 54LS248LMQB | 7 V, BCD to 7-segment decoder | National Semiconductor |
| 133063 | 54LS249DMQB | 7 V, BCD to 7-segment decoder (with open-collector output) | National Semiconductor |
| 133064 | 54LS249FMQB | 7 V, BCD to 7-segment decoder (with open-collector output) | National Semiconductor |
| 133065 | 54LS253 | Dual TRI-STATE 1-of-4 Line Data Selector/Multiplexer | National Semiconductor |
| 133066 | 54LS253DMQB | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 133067 | 54LS253FMQB | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 133068 | 54LS253LMQB | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 133069 | 54LS256 | Dual 4-Bit Addressable Latch | National Semiconductor |
| 133070 | 54LS256DMQB | Dual 4-Bit Addressable Latch | National Semiconductor |
| 133071 | 54LS256FMQB | Dual 4-Bit Addressable Latch | National Semiconductor |
| 133072 | 54LS257 | QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS | Motorola |
| 133073 | 54LS257 | Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer | National Semiconductor |
| 133074 | 54LS257A | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 133075 | 54LS257ADMQB | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 133076 | 54LS257AFMQB | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 133077 | 54LS257ALMQB | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 133078 | 54LS258 | Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer (Inverting) | National Semiconductor |
| 133079 | 54LS258ADMQB | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 133080 | 54LS258AFMQB | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
