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74HC139 Dual 2-to-4 Decoder
SN74HC139
Texas Instrumentsic logic
The SN74HC139 is a dual 2-to-4 decoder/demultiplexer that decodes two input lines into four outputs, with one active low output strobe G.
In stock
Specifications
4- Operating Voltage
- 2V to 6V
- Supply Current
- 80-μA max
- Interface
- CMOS
- Output Drive
- +/-4-mA at 5V
Pinout
7| Pin | Name | Functions | Notes |
|---|---|---|---|
| A | Input A | GPIO | Part of the address inputs |
| B | Input B | GPIO | Part of the address inputs |
| G | Enable | GPIO | Active low enable input for data line in demultiplexing applications |
| Y0 | Output 00 | GPIO | Selected output when A=0, B=0 |
| Y1 | Output 01 | GPIO | Selected output when A=0, B=1 |
| Y2 | Output 10 | GPIO | Selected output when A=1, B=0 |
| Y3 | Output 11 | GPIO | Selected output when A=1, B=1 |
Interactive pinout
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SN74HC139
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