| 1238481 | N74F50109N | Synchronizing dual J-K positive edge-triggered flip-flop with metastable immune characteristics | Philips |
| 1238482 | N74F50728D | Synchronizing cascaded dual positive edge-triggered D-type flip-flop | Philips |
| 1238483 | N74F50728N | Synchronizing cascaded dual positive edge-triggered D-type flip-flop | Philips |
| 1238484 | N74F50729D | Synchronizing dual D-type flip-flop with edge-triggered set and reset with metastable immune characteristics | Philips |
| 1238485 | N74F50729N | Synchronizing dual D-type flip-flop with edge-triggered set and reset with metastable immune characteristics | Philips |
| 1238486 | N74F5074D | Synchronizing dual D-type flip-flop/clock driver | NXP Semiconductors |
| 1238487 | N74F5074D | Synchronizing dual D-type flip-flop/clock driver | Philips |
| 1238488 | N74F5074N | Synchronizing dual D-type flip-flop/clock driver | NXP Semiconductors |
| 1238489 | N74F5074N | Synchronizing dual D-type flip-flop/clock driver | Philips |
| 1238490 | N74F51D | Dual 2-wide 2-input, 2-wide 3-input AND-OR-invert gate | NXP Semiconductors |
| 1238491 | N74F51D | Dual 2-wide 2-input, 2-wise 3-input AND-OR-invert gate | Philips |
| 1238492 | N74F51N | Dual 2-wide 2-input, 2-wide 3-input AND-OR-invert gate | Nexperia |
| 1238493 | N74F51N | Dual 2-wide 2-input, 2-wide 3-input AND-OR-invert gate | NXP Semiconductors |
| 1238494 | N74F51N | Dual 2-wide 2-input, 2-wise 3-input AND-OR-invert gate | Philips |
| 1238495 | N74F521D | 8-bit identity comparator | Philips |
| 1238496 | N74F521N | 8-bit identity comparator | Philips |
| 1238497 | N74F524D | 8-bit register comparator open-collector 3-State | Philips |
| 1238498 | N74F524N | 8-bit register comparator open-collector 3-State | Philips |
| 1238499 | N74F5300D | Fiber optic LED driver | Philips |
|
| 1238500 | N74F5300N | Fiber optic LED driver | Philips |
| 1238501 | N74F5302D | Fiber optic dual LED/clock driver | Philips |
| 1238502 | N74F5302N | Fiber optic dual LED/clock driver | Philips |
| 1238503 | N74F533D | Latch/flip-flop | Philips |
| 1238504 | N74F533DB | Latch/flip-flop | Philips |
| 1238505 | N74F533N | Latch/flip-flop | Philips |
| 1238506 | N74F534D | Octal D flip-flop, inverting (3-State) | NXP Semiconductors |
| 1238507 | N74F534D | Latch/flip-flop | Philips |
| 1238508 | N74F534N | Octal D flip-flop, inverting (3-State) | NXP Semiconductors |
| 1238509 | N74F534N | Latch/flip-flop | Philips |
| 1238510 | N74F537D | 1-of-10 decoder 3-State | Philips |
| 1238511 | N74F537N | 1-of-10 decoder 3-State | Philips |
| 1238512 | N74F538D | 1-of -8 decoder 3-state | Philips |
| 1238513 | N74F538N | 1-of -8 decoder 3-state | Philips |
| 1238514 | N74F539D | Dual 1-of-4 decoder 3-State | Philips |
| 1238515 | N74F539N | Dual 1-of-4 decoder 3-State | Philips |
| 1238516 | N74F540 | Octal inverter buffer 3- State | Philips |
| 1238517 | N74F540D | Octal inverter buffer (3- State); Octal buffer (3- State) | NXP Semiconductors |
| 1238518 | N74F540D | Octal inverter buffer 3- State | Philips |
| 1238519 | N74F540N | Octal inverter buffer (3- State); Octal buffer (3- State) | NXP Semiconductors |
| 1238520 | N74F540N | 74F540; 74F541; Octal inverter buffer (3- State); Octal buffer (3- State) | Philips |
