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| PartNumber | SN74AHCT139N | SN74AHCT139NSR | SN74AHCT139NE4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Dual | Encoders, Decoders, Multiplexers & Demultiplexers Dual 2 to 4-Line Decdr/Demltplxer | Encoders, Decoders, Multiplexers & Demultiplexers Dual 2 to 4-Line Decdr/Demltplxe |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Logic - Signal Switches, Multiplexers, Decoders |
| RoHS | Y | Y | - |
| Product | Decoders / Demultiplexers | Decoders / Demultiplexers | - |
| Logic Family | AHCT | 74AHCT | - |
| Number of Input Lines | 2 Input | 2 Input | - |
| Number of Output Lines | 4 Output | 4 Output | - |
| Propagation Delay Time | 8.5 ns | - | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-16 | SO-16 | - |
| Packaging | Tube | Reel | Tube Alternate Packaging |
| Function | Decoder/Demultiplexer | Decoder/Demultiplexer | - |
| Height | 4.57 mm | 1.95 mm | - |
| Length | 19.3 mm | 10.3 mm | - |
| Number of Circuits | Dual | Dual | - |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Series | SN74AHCT139 | - | 74AHCT |
| Technology | CMOS | CMOS | - |
| Width | 6.35 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | Decoders/Demultiplexers | Decoders/Demultiplexers | - |
| Supply Current Max | 0.02 mA | 0.02 mA | - |
| High Level Output Current | - 8 mA | - 8 mA | - |
| Low Level Output Current | 8 mA | 8 mA | - |
| Maximum Clock Frequency | 70 MHz | - | - |
| Operating Supply Voltage | 5 V | 4.5 V to 5.5 V | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 25 | 1 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.033570 oz | 0.007079 oz | - |
| Type | - | - | Decoder/Demultiplexer |
| Package Case | - | - | 16-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Through Hole |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 16-PDIP |
| Voltage Supply Source | - | - | Single Supply |
| Circuit | - | - | 1 x 2:4 |
| Current Output High Low | - | - | 8mA, 8mA |
| Independent Circuits | - | - | 2 |