| PartNumber | SN74ALS138AD | SN74ALS138ADG4 | SN74ALS138ADE4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 3 to 8 | Encoders, Decoders, Multiplexers & Demultiplexers 3 to 8-Line Decdr/Demltplxer | Encoders, Decoders, Multiplexers & Demultiplexers 3 to 8-Line Decdr/Demltplxer |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| RoHS | Y | Y | Y |
| Product | Decoders / Demultiplexers | Decoders / Demultiplexers | Decoders / Demultiplexers |
| Logic Family | ALS | ALS | ALS |
| Number of Input Lines | 3 Input | 3 Input | 3 Input |
| Number of Output Lines | 8 Output | 8 Output | 8 Output |
| Propagation Delay Time | 22 ns | 22 ns | 22 ns |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOP-16 | SOP-16 | SOP-16 |
| Packaging | Tube | Tube | Tube |
| Function | 3 to 8 | Decoder and Demux | Decoder/Demultiplexer |
| Height | 1.58 mm | 1.58 mm | 1.58 mm |
| Input Voltage | 2.0 V to 0.8 V | - | - |
| Length | 9.9 mm | 9.9 mm | 9.9 mm |
| Number of Circuits | Single | Single | Single |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | 0 C to + 70 C |
| Output Current | 50 mA | - | - |
| Output Voltage | + 0.4 V to + 0.5 V | - | - |
| Series | SN74ALS138A | SN74ALS138A | SN74ALS138A |
| Technology | Bipolar | Bipolar | Bipolar |
| Width | 3.91 mm | 3.91 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | Decoders/Demultiplexers | Decoders/Demultiplexers | Decoders/Demultiplexers |
| High Level Output Current | - 0.4 mA | - 0.4 mA | - 0.4 mA |
| Low Level Output Current | 8 mA | 8 mA | 8 mA |
| Maximum Clock Frequency | 75 MHz | 75 MHz | 75 MHz |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 40 | 40 | 40 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004998 oz | 0.004998 oz | 0.004998 oz |