| Image | Manufacturer | Part Number | Description |
|---|
| | Texas Instruments | SN54S51J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SNJ54S51J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SN5451J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SNJ5451J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | JM38510/30401BCA | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SN54LS54J | AND-OR-Invert Gate 1-Element 4 Wide 2-IN/3-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SN5450J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SNJ5450J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
 | Texas Instruments | SN74LS51N | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin PDIP Tube |
| | Texas Instruments | JM38510/00501BCA | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | JM38510/07401BCA | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | JM38510/00502BCA | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SNJ54S51W | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CFPAK Tube |
 | Texas Instruments | SN74S51DE4 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin SOIC Tube |
| Texas Instruments | SN74S51DG4 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin SOIC Tube |
| Texas Instruments | SN74S51NE4 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin PDIP Tube |
| | Texas Instruments | SNJ5451W | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CFPAK Tube |
 | Texas Instruments | SN74S51N3 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin PDIP Tube |
| | Texas Instruments | SN5454J | AND-OR-Invert Gate 1-Element 4 Wide 2-IN/3-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SNJ54LS51J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin CDIP Tube |
| | Texas Instruments | SN54LS51J | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin CDIP Tube |
| Texas Instruments | SN74LS51DG4 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin SOIC Tube |
| Texas Instruments | SN74LS51NE4 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin PDIP Tube |
| Texas Instruments | SN74LS51DE4 | AND-OR-Invert Gate 2-Element 2 Wide 2-IN/3-IN Bipolar 14-Pin SOIC Tube |
| | Texas Instruments | SNJ5450W | AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin CFPAK Tube |
