型號(hào) 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