| 139841 | 74HC251DB | 74HC/HCT251; 8-input multiplexer; 3-state | Philips |
| 139842 | 74HC251DB-Q100 | 8-input multiplexer; 3-state | Nexperia |
| 139843 | 74HC251N | 8-input multiplexer; 3-state | NXP Semiconductors |
| 139844 | 74HC251N | 74HC/HCT251; 8-input multiplexer; 3-state | Philips |
| 139845 | 74HC251NB | 8-input multiplexer; 3-state | Philips |
| 139846 | 74HC251PW | 8-input multiplexer; 3-state | Nexperia |
| 139847 | 74HC251PW | 8-input multiplexer; 3-state | NXP Semiconductors |
| 139848 | 74HC251PW | 74HC/HCT251; 8-input multiplexer; 3-state | Philips |
| 139849 | 74HC251PW-Q100 | 8-input multiplexer; 3-state | Nexperia |
| 139850 | 74HC251PW-Q100 | 8-input multiplexer; 3-state | NXP Semiconductors |
| 139851 | 74HC251U | 8-input multiplexer; 3-state | Philips |
| 139852 | 74HC253 | 3-state | Philips |
| 139853 | 74HC253D | Dual 4-input multiplexer; 3-state | Nexperia |
| 139854 | 74HC253D | Dual 4-input multiplexer; 3-state | NXP Semiconductors |
| 139855 | 74HC253D | 74HC253;74HCT253; Dual 4-input multiplexer; 3-state | Philips |
| 139856 | 74HC253D-Q100 | Dual 4-input multiplexer; 3-state | Nexperia |
| 139857 | 74HC253D-Q100 | Dual 4-input multiplexer; 3-state | NXP Semiconductors |
| 139858 | 74HC253DB | Dual 4-input multiplexer; 3-state | Nexperia |
| 139859 | 74HC253DB | Dual 4-input multiplexer; 3-state | NXP Semiconductors |
|
| 139860 | 74HC253DB | 74HC253;74HCT253; Dual 4-input multiplexer; 3-state | Philips |
| 139861 | 74HC253N | Dual 4-input multiplexer; 3-state | NXP Semiconductors |
| 139862 | 74HC253N | 74HC253;74HCT253; Dual 4-input multiplexer; 3-state | Philips |
| 139863 | 74HC253U | Dual 4-input multiplexer; 3-state | Philips |
| 139864 | 74HC257 | Quad 2-Input Data Selector/Multiplexer with 3-State Outputs | Motorola |
| 139865 | 74HC257 | 3-state | Philips |
| 139866 | 74HC257 | High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs | Texas Instruments |
| 139867 | 74HC257 | QUAD 2-CHANEL MULTIPLEXER (3-STATE) | TOSHIBA |
| 139868 | 74HC257D | Quad 2-input multiplexer; 3-state | Nexperia |
| 139869 | 74HC257D | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 139870 | 74HC257D | Quad 2-input multiplexer 3-state | Philips |
| 139871 | 74HC257D-Q100 | Quad 2-input multiplexer; 3-state | Nexperia |
| 139872 | 74HC257DB | Quad 2-input multiplexer; 3-state | Nexperia |
| 139873 | 74HC257DB | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 139874 | 74HC257DB | Quad 2-input multiplexer 3-state | Philips |
| 139875 | 74HC257N | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 139876 | 74HC257N | Quad 2-input multiplexer 3-state | Philips |
| 139877 | 74HC257PW | Quad 2-input multiplexer; 3-state | Nexperia |
| 139878 | 74HC257PW | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 139879 | 74HC257PW | Quad 2-input multiplexer 3-state | Philips |
| 139880 | 74HC257PW-Q100 | Quad 2-input multiplexer; 3-state | Nexperia |
