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Logic type signal switch, multiplexer, and encoder ICs are used for routing and selection of electrical signals used to represent data in digital format. They differ from similar products designed for use with analog signals in that they are designed to preserve information represented as one of two electrical states, rather than as an infinitely variable quantity within two outer limits.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
| Texas Instruments | DUAL 2-LINE TO 4-LINE DECODERS/D | Tube | 20-LCCC (8.89x8.89) | Surface Mount | 54LS | -55°C ~ 125°C | |
| Texas Instruments | DUAL 2-LINE TO 4-LINE DECODERS/D | Tube | 16-CFP | Surface Mount | 54LS | -55°C ~ 125°C | |
| Texas Instruments | DATA SELECTORS/MULTIPLEXERS 20-L | Tube | 20-LCCC (8.89x8.89) | Surface Mount | 54LS | -55°C ~ 125°C | |
![]() JM38510/30901BEA $11.03 | Texas Instruments | 54LS151 DATA SELECTORS/MULTIPLEX | Bulk | - | - | * | - |
![]() JM38510/30902B2A $10.02 | Texas Instruments | MULTIPLEXER, LS SERIES TTL | Bulk | - | - | * | - |
| Texas Instruments | DUAL 4-LINE TO 1-LINE DATA SELEC | Tube | 16-CDIP | Through Hole | 54LS | -55°C ~ 125°C | |
![]() JM38510/30903B2A $14.20 | Texas Instruments | 54LS157 QUADRUPLE 2-LINE TO 1-LI | Bulk | - | - | * | - |
![]() JM38510/30903BEA $11.15 | Texas Instruments | 54LS157 QUADRUPLE 2-LINE TO 1-LI | Bulk | - | - | * | - |

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