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| PartNumber | SN74HC138NSR | SN74HC138NS | SN74HC138NSR(P/B) |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decoder | Encoders, Decoders, Multiplexers & Demultiplexers Line Decoders/Demultiplexers | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| RoHS | Y | Y | - |
| Product | Decoders / Demultiplexers | Decoders / Demultiplexers | - |
| Logic Family | HC | LVC | - |
| Number of Input Lines | 3 Input | 2 Input | - |
| Number of Output Lines | 8 Output | 4 Output | - |
| Propagation Delay Time | 45 ns | 6.2 ns | - |
| Supply Voltage Min | 2 V | 1.65 V | - |
| Supply Voltage Max | 6 V | 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-16 | TSSOP-16 | - |
| Packaging | Reel | Tube | - |
| Function | Decoder/Demultiplexer | Decoder/Demultiplexer | - |
| Height | 1.95 mm | 1.15 mm | - |
| Length | 10.3 mm | 5 mm | - |
| Number of Circuits | Single | Dual | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Series | SN74HC138 | SN74LVC139A | - |
| Technology | CMOS | CMOS | - |
| Width | 5.3 mm | 4.4 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | Decoders/Demultiplexers | - | - |
| Supply Current Max | 0.008 mA | 0.01 mA | - |
| High Level Output Current | - 5.2 mA | - 24 mA | - |
| Low Level Output Current | 5.2 mA | 24 mA | - |
| Maximum Clock Frequency | 28 MHz | 100 MHz | - |
| Operating Supply Voltage | 2 V to 6 V | 1.65 V to 3.6 V | - |
| Pd Power Dissipation | 320 mW | - | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 2000 | 90 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.007055 oz | 0.002183 oz | - |