| 168401 | 74LS51 | Dual 2-Wide 2-Input/ 2-Wide 3-Input AND-OR-INVERT Gate | Fairchild Semiconductor |
| 168402 | 74LS51 | 2-wide 2-input/ 2-wide 3-input AND-OR-INVERT Gates | Hitachi Semiconductor |
| 168403 | 74LS54 | 4-wide 2-input/ 3-input AND-OR-INVERT Gates | Hitachi Semiconductor |
| 168404 | 74LS54 | 3-2-2-3-INPUT AND-OR-INVERT GATE | Motorola |
| 168405 | 74LS54 | 5-WIDE AND-OR-INVERT GATES | Texas Instruments |
| 168406 | 74LS540 | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS | Motorola |
| 168407 | 74LS540 | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS | ON Semiconductor |
| 168408 | 74LS540 | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS | Texas Instruments |
| 168409 | 74LS541 | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS | ON Semiconductor |
| 168410 | 74LS541 | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS | Texas Instruments |
| 168411 | 74LS55 | 2 WIDE 4 INPUT AND ORINVERT GATES | Texas Instruments |
| 168412 | 74LS569 | FOUR-BIT UP/DOWN COUNTER WITH THREE-STATE OUTPUTS | Motorola |
| 168413 | 74LS569A | FOUR-BIT UP/DOWN COUNTER WITH THREE-STATE OUTPUTS | Motorola |
| 168414 | 74LS56P | FREQUENCY DIVIDERS | Texas Instruments |
| 168415 | 74LS573 | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 168416 | 74LS574 | Octal D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 168417 | 74LS590 | 8-BIT BINARY COUNTERS WITH OUTPUT | Texas Instruments |
| 168418 | 74LS595 | 8-BIT SHIFT REGISTERS WITH OUTPUT LATCHES | Texas Instruments |
| 168419 | 74LS606 | OCTAL 2 INPUT MULTIPLEXED LATES | Texas Instruments |
|
| 168420 | 74LS624 | VOLTAGE-CONTROLLED OSCILLATORS | Texas Instruments |
| 168421 | 74LS628 | VOLTAGE-CONTROLLED OSCILLATORS | Texas Instruments |
| 168422 | 74LS629 | VOLTAGE-CONTROLLED OSCILLATORS | Texas Instruments |
| 168423 | 74LS640 | OCTAL BUS TRANSCEIVERS | Motorola |
| 168424 | 74LS641 | Octal Bus Transceiver | Philips |
| 168425 | 74LS645 | Octal Bus Transceiver | Fairchild Semiconductor |
| 168426 | 74LS645 | Octal Bus Transceivers(non-inverted-3state outputs) | Hitachi Semiconductor |
| 168427 | 74LS645 | OCTAL BUS TRANSCEIVERS | Motorola |
| 168428 | 74LS645 | LOW POWER SCHOTTKY | ON Semiconductor |
| 168429 | 74LS645 | OCTAL BUS TRANSCEIVERS | Texas Instruments |
| 168430 | 74LS646 | OCTAL BUS TRANSCEIVERS AND REGISTERS | Texas Instruments |
| 168431 | 74LS670 | 3-STATE 4-by-4 Register File | Fairchild Semiconductor |
| 168432 | 74LS670 | 4-by-4 Register File(with three-state outputs) | Hitachi Semiconductor |
| 168433 | 74LS670 | 4 x 4 REGISTER FILE WITH 3-STATE OUTPUTS | Motorola |
| 168434 | 74LS670 | LOW POWER SCHOTTKY | ON Semiconductor |
| 168435 | 74LS670 | 4-BY-4 REGISTER FILES WITH 3-STATE OUTPUTS | Texas Instruments |
| 168436 | 74LS672 | 4-BIT UNIVERSAL SHIFT REGISTERS/LATCHES WITH 3-STATE OUTPUTS | Texas Instruments |
| 168437 | 74LS68 | 8-BIT MAGNITUDE COMPARATORS | Motorola |
| 168438 | 74LS68 | LOW POWER SCHOTTKY | ON Semiconductor |
| 168439 | 74LS68 | 8-BIT MAGNITUDE/IDENTITY COMPARATORS | Texas Instruments |
| 168440 | 74LS682 | 8-BIT MAGNITUDE COMPARATORS | Motorola |
