3-line To 8-line Decoder / Demultiplexer

The ?F138 is designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders CAN be used to minimize the effects of system decoding. When employed with high-speed Memories utilizing a fast enable circuit, the delay times of this decoder and the enable time of the memory are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.
The conditions at the binary-select inputs and the three enable 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 SN54F138 is characterized for operation over the full military temperature range of -55?C to 125?C. The SN74F138 is characterized for operation from 0?C to 70?C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74F138NSR Texas Instruments 3-line to 8-line decoder / demultiplexer 16-SO 0 to 70
SN74F138NE4 Texas Instruments 3-line to 8-line decoder / demultiplexer 16-PDIP 0 to 70
SN74F138DG4 Texas Instruments 3-line to 8-line decoder / demultiplexer 16-SOIC 0 to 70
SN74F138N3 Texas Instruments 3-line to 8-line decoder / demultiplexer 16-PDIP 0 to 70
SN74F138DRE4 Texas Instruments 3-line to 8-line decoder / demultiplexer 16-SOIC 0 to 70
SN74F138DR Texas Instruments 3-line to 8-line decoder / demultiplexer 16-SOIC 0 to 70
SN74F138DE4 Texas Instruments 3-line to 8-line decoder / demultiplexer 16-SOIC 0 to 70
SN74F138NSRG4 Texas Instruments F/FAST SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, PLASTIC, SOP-16
SN74F138D Texas Instruments 3-line to 8-line decoder / demultiplexer 16-SOIC 0 to 70
SN74F138NSRE4 Texas Instruments F/FAST SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, PLASTIC, SOP-16
SN74F138 's PackagesSN74F138 's pdf datasheet
SN74F138D SOIC
SN74F138DE4 SOIC
SN74F138DG4 SOIC
SN74F138DR SOIC
SN74F138DRE4 SOIC
SN74F138DRG4 SOIC
SN74F138N PDIP
SN74F138N3 PDIP
SN74F138NE4 PDIP
SN74F138NSR SO
SN74F138NSRE4 SO
SN74F138NSRG4 SO




SN74F138 Pinout, Pinouts
SN74F138 pinout,Pin out
This is one package pinout of SN74F138,If you need more pinouts please download SN74F138's pdf datasheet.

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