| PartNumber | CY74FCT138CTSOCTG4 | CY74FCT138CTSOCTE4 | CY74FCT138CTSOCT |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 1-of-8 Decoder | Encoders, Decoders, Multiplexers & Demultiplexers 16-Bit Edg-Trig D-Ty F-F W/3-State Otpt | Encoders, Decoders, Multiplexers & Demultiplexers 1-OF-8 DECODER |
| 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 | FCT | 74FCT | CY74FCT |
| Supply Voltage Min | 4.75 V | 4.75 V | 4.75 V |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 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 | SOIC-16 | SOIC-16 | SOIC-16 |
| Packaging | Reel | Reel | Reel |
| Function | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer |
| Height | 2.35 mm | 2.35 mm | 2.35 mm |
| Length | 10.28 mm | 10.28 mm | 10.28 mm |
| Number of Circuits | 1 Circuit | Dual | Dual |
| Technology | CMOS | CMOS | CMOS |
| Width | 7.52 mm | 7.52 mm | 7.52 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | CMOS | Decoders | Decoder |
| High Level Output Current | - 32 mA | - 32 mA | - 32 mA |
| Low Level Output Current | 64 mA | 64 mA | 64 mA |
| Operating Supply Voltage | 5 V | 4.75 V to 5.5 V | 4.75 V to 5.25 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.014829 oz | 0.014829 oz | 0.014829 oz |
| Number of Input Lines | - | 1 Input | 1 Input |
| Number of Output Lines | - | 8 Output | 8 Output |
| Number of Bits | - | - | 1 bit |