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| PartNumber | M74HCT138B1 | M74HCT138B1R | M74HCT138RM13TR |
| Description | INSTOCK | Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decode | Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decode |
| Manufacturer | - | STMicroelectronics | STMicroelectronics |
| Product Category | - | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders |
| Series | - | 74HCT | 74HCT |
| Type | - | Decoder/Demultiplexer | Decoder/Demultiplexer |
| Packaging | - | Tube | Digi-ReelR Alternate Packaging |
| Package Case | - | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | - | Through Hole | Surface Mount |
| Voltage Supply | - | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | 16-DIP | 16-SO |
| Voltage Supply Source | - | Single Supply | Single Supply |
| Circuit | - | 1 x 3:8 | 1 x 3:8 |
| Current Output High Low | - | 4mA, 4mA | 4mA, 4mA |
| Independent Circuits | - | 1 | 1 |