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74138 - 3-to-8 Line Decoder
The 74138 is a high-speed 3-to-8 line decoder/demultiplexer. It takes a 3-bit binary input and activates one of the eight outputs based on the input combination, with the others remaining low. It features active-low outputs and three enable inputs for flexible control.
Specifications:
- Function: 3-to-8 line decoder/demultiplexer
- Inputs: 3 binary address inputs (A0, A1, A2)
- Enable Inputs: 3 (2 active-low, 1 active-high)
- Outputs: 8 active-low
- Supply Voltage: 4.75V to 5.25V (typ. 5V)
- Propagation Delay: ~22 ns
- Output Drive: ±8 mA
- Low Power Consumption: TTL compatible
- Operating Temperature: 0°C to +70°C
- Package: 16-pin DIP
Applications:
- Memory address decoding
- Demultiplexing applications
- Data routing
- Control signal decoding
- Microprocessor interfacing
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