| PartNumber | SN74HC42D | SN74HC42DR | SN74HC42DG4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 4-10 Line (1 of 10) | Encoders, Decoders, Multiplexers & Demultiplexers 4-10 Line (1 of 10) | Encoders, Decoders, Multiplexers & Demultiplexers 4Ln To 10Ln Decoders |
| 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 | HC | HC | HC |
| Number of Input Lines | 4 Input | 4 Input | 4 Input |
| Number of Output Lines | 10 Output | 10 Output | 10 Output |
| Propagation Delay Time | 38 ns | 38 ns | 38 ns |
| Supply Voltage Min | 2 V | 2 V | 2 V |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOP-16 | SOP-16 | SOP-16 |
| Packaging | Tube | Reel | Tube |
| Function | 4-10 Line (1 of 10) | 4-10 Line (1 of 10) | Decoder/Demultiplexer |
| Height | 1.58 mm | 1.58 mm | 1.58 mm |
| Input Voltage | 0.5 V to 1.5 V | 0.5 V to 1.5 V | - |
| Length | 9.9 mm | 9.9 mm | 9.9 mm |
| Number of Circuits | Single | Single | 1 Circuit |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Output Current | +/- 25 mA | +/- 25 mA | - |
| Output Voltage | 2 V to 6 V | 2 V to 6 V | - |
| Series | SN74HC42 | SN74HC42 | SN74HC42 |
| Technology | CMOS | CMOS | CMOS |
| Width | 3.91 mm | 3.91 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | Decoder | Decoder | CMOS |
| Supply Current Max | 0.008 mA | 0.008 mA | 0.008 mA |
| High Level Output Current | - 5.2 mA | - 5.2 mA | - 5.2 mA |
| Low Level Output Current | 5.2 mA | 5.2 mA | 5.2 mA |
| Maximum Clock Frequency | 28 MHz | 28 MHz | 28 MHz |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 2 V to 6 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 40 | 2500 | 40 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004998 oz | 0.004998 oz | 0.004998 oz |