| PartNumber | CD74HCT138MTE4 | CD74HCT138MTG4 | CD74HCT138MT |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Hi-Spd CMOS 3-8 Line Decoder/Demltplxr | Encoders, Decoders, Multiplexers & Demultiplexers Hi Speed CMOS Logic 3-to-8 Line | IC 3-8 LINE DECODER/DEMUX 16SOIC |
| 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 | 74HCT | HCT | - |
| Number of Input Lines | 3 Input | - | - |
| Number of Output Lines | 8 Output | - | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOP-16 | SOP-16 | - |
| Packaging | Reel | Reel | Tape & Reel (TR) Alternate Packaging |
| Function | Decoder/Demultiplexer | Decoder/Demultiplexer | - |
| Height | 1.58 mm | 1.58 mm | - |
| Length | 9.9 mm | 9.9 mm | - |
| Number of Circuits | Dual | 1 Circuit | - |
| Technology | CMOS | CMOS | - |
| Width | 3.91 mm | 3.91 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | Decoders/Demultiplexers | CMOS | - |
| Supply Current Max | 0.008 mA | 0.008 mA | - |
| High Level Output Current | - 4 mA | - 4 mA | - |
| Low Level Output Current | 4 mA | 4 mA | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 5 V | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.004998 oz | 0.004998 oz | - |
| Series | - | - | 74HCT |
| Type | - | - | Decoder/Demultiplexer |
| Package Case | - | - | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 16-SOIC |
| Voltage Supply Source | - | - | Single Supply |
| Circuit | - | - | 1 x 3:8 |
| Current Output High Low | - | - | 4mA, 4mA |
| Independent Circuits | - | - | 1 |