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74HCT139 Dual 2-to-4 Decoder
74HCT139
Texas Instrumentsic logic
The SN54HCT139 is a dual 2-line to 4-line decoder IC with active-low enable and fully buffered inputs, suitable for demultiplexing applications.
In stock
Specifications
2- Operating Voltage
- 5V
- Package
- J or W, D, DB, N, PW, FK
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | G | GPIO | Active-low enable input |
| 2 | 1A | GPIO | Input for first decoder channel A |
| 3 | 1B | GPIO | Input for first decoder channel B |
| 4 | 1Y0 | GPIO | Output from first decoder, channel 0 |
| 5 | 1Y1 | GPIO | Output from first decoder, channel 1 |
| 6 | 1Y2 | GPIO | Output from first decoder, channel 2 |
| 7 | 1Y3 | GPIO | Output from first decoder, channel 3 |
| 8 | GND | POWER | Ground |
| 9 | 2A | GPIO | Input for second decoder channel A |
| 10 | 2B | GPIO | Input for second decoder channel B |
| 11 | 2Y0 | GPIO | Output from second decoder, channel 0 |
| 12 | 2Y1 | GPIO | Output from second decoder, channel 1 |
| 13 | 2Y2 | GPIO | Output from second decoder, channel 2 |
| 14 | 2Y3 | GPIO | Output from second decoder, channel 3 |
| 15 | VCC | POWER | Supply voltage |
| 16 | 2G | GPIO | Active-low enable input for second decoder |
Interactive pinout
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74HCT139
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