| 型號 | 廠商 | 描述 |
| 74ls393 2 3 4 5 6 |
Hitachi,Ltd. | DUAL 4-BIT BINARY COUNTERS |
| 74ls393 2 3 4 5 6 |
Texas Instruments, Inc. | DUAL 4-BIT DECADE AND BINARY COUNTERS |
| 74ls393 2 3 4 5 6 |
Motorola, Inc. | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER |
| 74ls393 2 3 4 5 6 |
Fairchild Semiconductor Corporation | Dual 4-Bit Binary Counter |
| 74ls395 2 3 4 5 6 7 |
Texas Instruments, Inc. | 4-BIT CASCADABLE SHIFT REFISTERS WITH 3-STATE OUTPUTS |
| 74ls395 2 3 4 5 6 7 |
National Semiconductor Corporation | 4-Bit Shift Register with TRI-STATE Outputs |
| 74ls395 2 3 4 5 6 7 |
Motorola, Inc. | 4-BIT SHIFT REGISTER WITH 3-STATE OUTPUTS |
| 74ls42 2 3 4 5 6 |
Hitachi,Ltd. | BCD-to-Decimal Decoder |
| 74ls42 2 3 4 5 6 |
ON SEMICONDUCTOR | LOW POWER SCHOTTKY |
| 74ls42 2 3 4 5 6 |
National Semiconductor Corporation | Decimal Decoders |
| 74ls451 2 3 4 |
Electronic Theatre Controls, Inc. | Dual 8:1 Mux SN54/74LS451 |
| 74ls451 2 3 4 |
National Semiconductor Corporation | DM54LS451/DM74LS451 DUAL 8:1 Multiplexer |
| 74ls48 2 3 4 5 6 |
Hitachi,Ltd. | BCD-to-Seven-Segment Decoder Driver(Internal Pull-up outputs) |
| 74ls48 2 3 4 5 6 |
Texas Instruments, Inc. | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
| 74ls48 2 3 4 5 6 |
National Semiconductor Corporation | BCD to 7-Segment Decoder |
| 74ls48 2 3 4 5 6 |
Motorola, Inc. | BCD TO 7-SEGMENT DECODER |
| 74ls49 2 3 4 5 |
Hitachi,Ltd. | BCD-to-Seven Segment Decoder Driver(with Open collector outputs) |
| 74ls49 2 3 4 5 |
Texas Instruments, Inc. | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
| 74ls49 2 3 4 5 |
Motorola, Inc. | DUAL DECADE COUNTER |
| 74ls51 2 3 4 5 |
Hitachi,Ltd. | 2-wide 2-input, 2-wide 3-input AND-OR-INVERT Gates |
| 74ls51 2 3 4 5 |
Fairchild Semiconductor Corporation | Dual 2-Wide 2-Input, 2-Wide 3-Input AND-OR-INVERT Gate |
| 74ls540 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
Texas Instruments, Inc. | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
| 74ls541 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
Texas Instruments, Inc. | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
| 74ls541 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
ON SEMICONDUCTOR | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS |
| 74ls540 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
ON SEMICONDUCTOR | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS |
| 74ls540 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
Motorola, Inc. | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS |
| 74ls54 2 3 4 5 |
Hitachi,Ltd. | 4-wide 2-input, 3-input AND-OR-INVERT Gates |
| 74ls54 2 3 4 5 |
Texas Instruments, Inc. | 5-WIDE AND-OR-INVERT GATES |
| 74ls54 2 3 4 5 |
Motorola, Inc. | 3-2-2-3-INPUT AND-OR-INVERT GATE |
| 74ls55 2 3 4 |
Texas Instruments, Inc. | 2 WIDE 4 INPUT AND ORINVERT GATES |
| 74ls56p 2 3 4 5 |
Texas Instruments, Inc. | FREQUENCY DIVIDERS |
| 74ls590 2 3 4 5 6 |
Texas Instruments, Inc. | 8-BIT BINARY COUNTERS WITH OUTPUT |
| 74ls595 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
Texas Instruments, Inc. | 8-BIT SHIFT REGISTERS WITH OUTPUT LATCHES |
| 74ls606 2 3 4 5 6 7 8 |
Texas Instruments, Inc. | OCTAL 2 INPUT MULTIPLEXED LATES |
| 74ls646 2 3 4 5 6 7 8 9 10 11 12 13 |
Texas Instruments, Inc. | OCTAL BUS TRANSCEIVERS AND REGISTERS |
| 74ls672 2 3 4 5 6 7 8 9 |
Texas Instruments, Inc. | 4-BIT UNIVERSAL SHIFT REGISTERS/LATCHES WITH 3-STATE OUTPUTS |
| 74ls688 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Texas Instruments, Inc. | 8-BIT MAGNITUDE/IDENTITY COMPARATORS |
| 74ls68 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Texas Instruments, Inc. | 8-BIT MAGNITUDE/IDENTITY COMPARATORS |
| 74ls682 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Texas Instruments, Inc. | 8-BIT MAGNITUDE/IDENTITY COMPARATORS |
| 74ls68 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
ON SEMICONDUCTOR | LOW POWER SCHOTTKY |
| 74ls682 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
ON SEMICONDUCTOR | LOW POWER SCHOTTKY |
| 74ls68 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Motorola, Inc. | 8-BIT MAGNITUDE COMPARATORS |
| 74ls682 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Motorola, Inc. | 8-BIT MAGNITUDE COMPARATORS |
| 74ls73 2 3 4 5 6 |
Hitachi,Ltd. | Dual J-K Flip-Flops(with Clear) |
| 74ls73a 2 3 4 5 6 |
Hitachi,Ltd. | Dual J-K Flip-Flops(with Clear) |
| 74ls73 2 3 4 5 6 |
Texas Instruments, Inc. | DUAL J-K FLIP-FLOPS WITH CLEAR |
| 74ls73a 2 3 4 5 6 |
Texas Instruments, Inc. | DUAL J-K FLIP-FLOPS WITH CLEAR |
| 74ls73 2 3 4 5 6 |
Motorola, Inc. | DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP |
| 74ls73 2 3 4 5 6 |
Fairchild Semiconductor Corporation | Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs |
| 74ls73a 2 3 4 5 6 |
Fairchild Semiconductor Corporation | Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs |