| 133801 | 74AHCT257D | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 133802 | 74AHCT257D | Quad 2-input multiplexer; 3-state | Philips |
| 133803 | 74AHCT257D-Q100 | Quad 2-input multiplexer; 3-state | Nexperia |
| 133804 | 74AHCT257D-Q100 | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 133805 | 74AHCT257PW | Quad 2-input multiplexer; 3-state | Nexperia |
| 133806 | 74AHCT257PW | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 133807 | 74AHCT257PW | Quad 2-input multiplexer; 3-state | Philips |
| 133808 | 74AHCT257PW-Q100 | Quad 2-input multiplexer; 3-state | Nexperia |
| 133809 | 74AHCT257PW-Q100 | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 133810 | 74AHCT259 | 8-bit addressable latch | Philips |
| 133811 | 74AHCT259D | 8-bit addressable latch | NXP Semiconductors |
| 133812 | 74AHCT259D | 8-bit addressable latch | Philips |
| 133813 | 74AHCT259D-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 133814 | 74AHCT259PW | 8-bit addressable latch | NXP Semiconductors |
| 133815 | 74AHCT259PW | 8-bit addressable latch | Philips |
| 133816 | 74AHCT259PW-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 133817 | 74AHCT273 | positive-edge trigger | Philips |
| 133818 | 74AHCT273BQ | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 133819 | 74AHCT273BQ | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
|
| 133820 | 74AHCT273BQ | 74AHC273; 74AHCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 133821 | 74AHCT273BQ-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 133822 | 74AHCT273BQ-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 133823 | 74AHCT273D | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 133824 | 74AHCT273D | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 133825 | 74AHCT273D | Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 133826 | 74AHCT273D-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 133827 | 74AHCT273D-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 133828 | 74AHCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 133829 | 74AHCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 133830 | 74AHCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 133831 | 74AHCT273PW-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 133832 | 74AHCT273PW-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 133833 | 74AHCT2G | Dual 2-input OR gate | Philips |
| 133834 | 74AHCT2G00 | 2-input NAND gate | Philips |
| 133835 | 74AHCT2G00DC | Dual 2-input NAND gate | Nexperia |
| 133836 | 74AHCT2G00DC | Dual 2-input NAND gate | NXP Semiconductors |
| 133837 | 74AHCT2G00DC | 74AHC2G00; 74AHCT2G00; 2-input NAND gate | Philips |
| 133838 | 74AHCT2G00DC-Q100 | Dual 2-input NAND gate | Nexperia |
| 133839 | 74AHCT2G00DC-Q100 | Dual 2-input NAND gate | NXP Semiconductors |
| 133840 | 74AHCT2G00DP | Dual 2-input NAND gate | NXP Semiconductors |
