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74AHC139 Dual 2-to-4 Decoder
74AHC139
Texas Instrumentsic logic
The SN74AHC139 is a dual 2-to-4 decoder designed for high-speed memory decoding and data routing applications, with two enable inputs per channel to simplify cascading or demultiplexing.
In stock
Specifications
3- Operating Voltage
- 2V to 5.5V
- Supply Current
- 40µA (typical) (max 75mA)
- Temperature Range
- -55°C to 125°C
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | 1G | GPIO | Channel 1 output enable, active low |
| 2 | 1A0 | GPIO | Channel 1 address select 0 |
| 3 | 1A1 | GPIO | Channel 1 address select 1 |
| 4 | 1Y0 | GPIO | Channel 1 output 0 |
| 5 | 1Y1 | GPIO | Channel 1 output 1 |
| 6 | 1Y2 | GPIO | Channel 1 output 2 |
| 7 | 1Y3 | GPIO | Channel 1 output 3 |
| 8 | GND | GND | |
| 9 | 2Y3 | GPIO | Channel 2 output 3 |
| 10 | 2Y2 | GPIO | Channel 2 output 2 |
| 11 | 2Y1 | GPIO | Channel 2 output 1 |
| 12 | 2Y0 | GPIO | Channel 2 output 0 |
| 13 | 2A1 | GPIO | Channel 2 address select 1 |
| 14 | 2A0 | GPIO | Channel 2 address select 0 |
| 15 | 2G | GPIO | Channel 2 output enable, active low |
| 16 | VCC | POWER |
Interactive pinout
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74AHC139
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