| 157521 | 74AHCT259D | 8-bit addressable latch | NXP Semiconductors |
| 157522 | 74AHCT259D | 8-bit addressable latch | Philips |
| 157523 | 74AHCT259D-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 157524 | 74AHCT259PW | 8-bit addressable latch | NXP Semiconductors |
| 157525 | 74AHCT259PW | 8-bit addressable latch | Philips |
| 157526 | 74AHCT259PW-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 157527 | 74AHCT273 | positive-edge trigger | Philips |
| 157528 | 74AHCT273BQ | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 157529 | 74AHCT273BQ | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 157530 | 74AHCT273BQ | 74AHC273; 74AHCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 157531 | 74AHCT273BQ-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 157532 | 74AHCT273BQ-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 157533 | 74AHCT273D | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 157534 | 74AHCT273D | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 157535 | 74AHCT273D | Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 157536 | 74AHCT273D-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 157537 | 74AHCT273D-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 157538 | 74AHCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 157539 | 74AHCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
|
| 157540 | 74AHCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 157541 | 74AHCT273PW-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 157542 | 74AHCT273PW-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 157543 | 74AHCT2G | Dual 2-input OR gate | Philips |
| 157544 | 74AHCT2G00 | 2-input NAND gate | Philips |
| 157545 | 74AHCT2G00DC | Dual 2-input NAND gate | Nexperia |
| 157546 | 74AHCT2G00DC | Dual 2-input NAND gate | NXP Semiconductors |
| 157547 | 74AHCT2G00DC | 74AHC2G00; 74AHCT2G00; 2-input NAND gate | Philips |
| 157548 | 74AHCT2G00DC-Q100 | Dual 2-input NAND gate | Nexperia |
| 157549 | 74AHCT2G00DC-Q100 | Dual 2-input NAND gate | NXP Semiconductors |
| 157550 | 74AHCT2G00DP | Dual 2-input NAND gate | NXP Semiconductors |
| 157551 | 74AHCT2G00DP | 74AHC2G00; 74AHCT2G00; 2-input NAND gate | Philips |
| 157552 | 74AHCT2G00DP-Q100 | Dual 2-input NAND gate | NXP Semiconductors |
| 157553 | 74AHCT2G00GD | Dual 2-input NAND gate | NXP Semiconductors |
| 157554 | 74AHCT2G08 | Dual 2-input AND gate | Philips |
| 157555 | 74AHCT2G08DC | Dual 2-input AND gate | Nexperia |
| 157556 | 74AHCT2G08DC | Dual 2-input AND gate | NXP Semiconductors |
| 157557 | 74AHCT2G08DC | 74AHC2G08; 74AHCT2G08; Dual 2-input AND gate | Philips |
| 157558 | 74AHCT2G08DC-Q100 | Dual 2-input AND gate | Nexperia |
| 157559 | 74AHCT2G08DC-Q100 | Dual 2-input AND gate | NXP Semiconductors |
| 157560 | 74AHCT2G08DP | Dual 2-input AND gate | Nexperia |
