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| PartNumber | HCF4556BEY | HCF4555BEY | HCF4555M013TR |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Dual 1 of 4 Decoder | Encoders, Decoders, Multiplexers & Demultiplexers Dual 1 of 4 Decoder | Encoders, Decoders, Multiplexers & Demultiplexers DUAL BINARY TO 1OF4 DECODER DEMULTIPLEXR |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| RoHS | T | Y | Y |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | Decoders, Encoders, Multiplexers & Demultiplexers | Decoders, Encoders, Multiplexers & Demultiplexers |
| Logic Family | HCF | HCF | 4000B |
| Number of Input Lines | 1 Input | 1 Input | - |
| Number of Output Lines | 4 Output | 4 Output | - |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Supply Voltage Max | 20 V | 20 V | 20 V |
| Minimum Operating Temperature | - 40 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 85 C | + 125 C | + 125 C |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Package / Case | DIP-16 | DIP-16 | SOP-16 |
| Packaging | Tube | Tube | Reel |
| Function | Decoder/Demultiplexers | Dual 1 of 4 Decoder | Decoder/Demultiplexer |
| Height | 5.1 mm | 5.1 mm | 1.65 mm |
| Input Voltage | - 0.5 V to + 0.5 V | - 0.5 V to + 0.5 V | - |
| Length | 20 mm | 20 mm | 10 mm |
| Number of Circuits | Dual | Dual | 2 Circuit |
| Output Current | +/- 10 mA | - | - |
| Output Voltage | - 0.5 V to + 0.5 V | - 0.5 V to + 22 V | - |
| Series | HCF4556 | HCF4555 | HCF4555 |
| Technology | CMOS | CMOS | CMOS |
| Width | 7.1 mm | 7.1 mm | 4 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Logic Type | Decoders/Demultiplexers | Decoders/Demultiplexers | CMOS |
| Supply Current Max | 0.1 mA | 0.1 mA | 0.1 mA |
| High Level Output Current | - 2.4 mA | - 2.4 mA | - 2.4 mA |
| Low Level Output Current | 2.4 mA | 2.4 mA | 2.4 mA |
| Operating Supply Voltage | 3 V to 20 V | 3 V to 20 V | 3.3 V, 5 V, 9 V, 12 V, 15 V, 18 V |
| Pd Power Dissipation | 200 mW | 200 mW | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 25 | 25 | 2500 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.057419 oz | 0.057419 oz | 0.008536 oz |
