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| PartNumber | M74HC138B | M74HC138B1 | M74HC138B1R |
| Description | Demultiplexer/Decoder, 3 To 8 Line, 16 Pin, Plastic, DIP | Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decode | |
| Manufacturer | ST | ST | STMicroelectronics |
| Product Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders | IC Chips |
| Series | - | - | 74HC |
| Type | - | - | Decoder/Demultiplexer |
| Packaging | - | - | Tube |
| Package Case | - | - | 16-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Through Hole |
| Voltage Supply | - | - | 2 V ~ 6 V |
| Supplier Device Package | - | - | 16-DIP |
| Voltage Supply Source | - | - | Single Supply |
| Circuit | - | - | 1 x 3:8 |
| Current Output High Low | - | - | 5.2mA, 5.2mA |
| Independent Circuits | - | - | 1 |