3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

The ALS138A and AS138 are 3-line to 8-line decoders/demultiplexers designed for high- performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance systems, these devices CAN be used to minimize the effects of system decoding. When employed with high-speed Memories with a fast enable circuit, the delay times of the decoder and the enable time of the memory are usually less than the typical access time of the memory. The effective system delay introduced by the Schottky-clamped system decoder is negligible. The conditions at the binary-select (A, B, and C) inputs and the three enable (G1, G2A, and G2B) inputs select one of eight output lines. Two active-low and one active-high enable inputs reduce the need for external Gates or inverters when expanding. A 24-line decoder CAN be implemented without external inverters and a 32-line decoder requires only one inverter. An enable input CAN be used as a data input for demultiplexing applications. The SN54ALS138A and SN54AS138 are characterized for operation over the full military temperature range of 55C to 125C. The SN74ALS138A and SN74AS138 are characterized for operation from 0C to 70C. By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74ALS138ADR Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SOIC 0 to 70
SN74ALS138ADG4 Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SOIC 0 to 70
SN74ALS138AN Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-PDIP 0 to 70
SN74ALS138ADE4 Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SOIC 0 to 70
SN74ALS138ANSR Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SO 0 to 70
SN74ALS138ANE4 Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-PDIP 0 to 70
SN74ALS138ADRG4 Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SOIC 0 to 70
SN74ALS138ADRE4 Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SOIC 0 to 70
SN74ALS138ANSRE4 Texas Instruments ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, PLASTIC, SOP-16
SN74ALS138AD Texas Instruments 3-Line to 8-Line Decoders/Demultiplexers 16-SOIC 0 to 70
SN74ALS138 's PackagesSN74ALS138 's pdf datasheet
SN54ALS138A
SN54AS138




SN74ALS138 Pinout, Pinouts
SN74ALS138 pinout,Pin out
This is one package pinout of SN74ALS138,If you need more pinouts please download SN74ALS138's pdf datasheet.

SN74ALS138 Application circuits
SN74ALS138 circuits
This is one application circuit of SN74ALS138,If you need more circuits,please download SN74ALS138's pdf datasheet.


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SN74ALS138 Application Notes SN74ALS138 RoHS SN74ALS138 Circuits SN74ALS138 footprint
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