| 1440921 | SL74HC240N | Octal 3-State Inverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440922 | SL74HC241 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440923 | SL74HC241D | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440924 | SL74HC241N | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440925 | SL74HC244 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440926 | SL74HC244D | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440927 | SL74HC244N | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | System Logic Semiconductor |
| 1440928 | SL74HC245 | Octal 3-State Noninverting Bus Transceiver | System Logic Semiconductor |
| 1440929 | SL74HC245D | Octal 3-State Noninverting Bus Transceiver | System Logic Semiconductor |
| 1440930 | SL74HC245N | Octal 3-State Noninverting Bus Transceiver | System Logic Semiconductor |
| 1440931 | SL74HC251 | 8-Input Data Selector/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440932 | SL74HC251D | 8-Input Data Selector/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440933 | SL74HC251N | 8-Input Data Selector/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440934 | SL74HC253 | Dual 4-Input Data Selector/Multiplexer with 3-State Otputs | System Logic Semiconductor |
| 1440935 | SL74HC253D | Dual 4-Input Data Selector/Multiplexer with 3-State Otputs | System Logic Semiconductor |
| 1440936 | SL74HC253N | Dual 4-Input Data Selector/Multiplexer with 3-State Otputs | System Logic Semiconductor |
| 1440937 | SL74HC257 | Quad 2-Input Data Selector/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440938 | SL74HC257D | Quad 2-Input Data Selector/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440939 | SL74HC257N | Quad 2-Input Data Selector/Multiplexer with 3-State Outputs | System Logic Semiconductor |
|
| 1440940 | SL74HC258 | Quad 2-Input Data Selectors/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440941 | SL74HC258D | Quad 2-Input Data Selectors/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440942 | SL74HC258N | Quad 2-Input Data Selectors/Multiplexer with 3-State Outputs | System Logic Semiconductor |
| 1440943 | SL74HC273 | Octal D Flip-Flop with Common Clock and Reset | System Logic Semiconductor |
| 1440944 | SL74HC273D | Octal D Flip-Flop with Common Clock and Reset | System Logic Semiconductor |
| 1440945 | SL74HC273N | Octal D Flip-Flop with Common Clock and Reset | System Logic Semiconductor |
| 1440946 | SL74HC299 | 8-Bit Bidirectional Universal Shift Register with Parallel I/O | System Logic Semiconductor |
| 1440947 | SL74HC299D | 8-Bit Bidirectional Universal Shift Register with Parallel I/O | System Logic Semiconductor |
| 1440948 | SL74HC299N | 8-Bit Bidirectional Universal Shift Register with Parallel I/O | System Logic Semiconductor |
| 1440949 | SL74HC32 | Quad 2-Input OR Gate | System Logic Semiconductor |
| 1440950 | SL74HC323 | 8-Bit Bidirectional Universal Shift Register with Parallel I/O | System Logic Semiconductor |
| 1440951 | SL74HC323D | 8-Bit Bidirectional Universal Shift Register with Parallel I/O | System Logic Semiconductor |
| 1440952 | SL74HC323N | 8-Bit Bidirectional Universal Shift Register with Parallel I/O | System Logic Semiconductor |
| 1440953 | SL74HC32D | Quad 2-Input OR Gate | System Logic Semiconductor |
| 1440954 | SL74HC32N | Quad 2-Input OR Gate | System Logic Semiconductor |
| 1440955 | SL74HC365 | Hex 3-State Noninverting Buffer with Common Enables | System Logic Semiconductor |
| 1440956 | SL74HC365D | Hex 3-State Noninverting Buffer with Common Enables | System Logic Semiconductor |
| 1440957 | SL74HC365N | Hex 3-State Noninverting Buffer with Common Enables | System Logic Semiconductor |
| 1440958 | SL74HC367 | Hex 3-State Noninverting Buffer with Separate 2-Bit and 4-Bit Sections | System Logic Semiconductor |
| 1440959 | SL74HC367D | Hex 3-State Noninverting Buffer with Separate 2-Bit and 4-Bit Sections | System Logic Semiconductor |
| 1440960 | SL74HC367N | Hex 3-State Noninverting Buffer with Separate 2-Bit and 4-Bit Sections | System Logic Semiconductor |
