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Logic components operate using two voltage levels. These two levels are referred to as High or Low, On or Off, True or False, or simply 1 or 0. There are many components included in this category, such as Buffers, Drivers, Receivers, Transceivers, Comparators, Counters, Dividers, FIFOs Memory, Flip Flops, Gates, Inverters, Latches, Multivibrators, Parity Generators, Shift Registers, Signal Switches, Multiplexers, Decoders, Translators, Level Shifters, Universal Bus Functions, and More.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() SN74LS20NSR $0.94 | Texas Instruments | IC GATE NAND 2CH 4-INP 14SO | Tape & Reel (TR),Cut Tape (CT),Bulk | 14-SO | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS21D $0.99 | Texas Instruments | IC GATE AND 2CH 4-INP 14SOIC | Bulk,Tube | 14-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS21DR $0.54 | Texas Instruments | IC GATE AND 2CH 4-INP 14SOIC | Tape & Reel (TR),Cut Tape (CT),Bulk | 14-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS21MEL $0.09 | onsemi | IC GATE AND | Bulk | - | - | * | - |
![]() SN74LS21N $0.71 | Texas Instruments | IC GATE AND 2CH 4-INP 14DIP | Bulk,Tube | 14-PDIP | Through Hole | 74LS | 0°C ~ 70°C |
![]() SN74LS21NE4 $0.40 | Texas Instruments | IC GATE AND 2CH 4-INP 14DIP | Tube | 14-PDIP | Through Hole | 74LS | 0°C ~ 70°C |
![]() SN74LS21NG4 $0.29 | Texas Instruments | IC GATE AND 2CH 4-INP 14DIP | Tube | 14-PDIP | Through Hole | 74LS | 0°C ~ 70°C |
![]() SN74LS21NS $1.20 | Texas Instruments | IC GATE AND 2CH 4-INP 14SO | Bulk,Tube | 14-SO | Surface Mount | 74LS | 0°C ~ 70°C |

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