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74LVC138 3-to-8 Decoder
74LVC138
Texas Instrumentsic logic
The SN74LVC138A is a 3-to-8 line decoder that decodes three binary inputs to activate one of eight outputs.
In stock
Specifications
5- Operating Voltage
- 2.7 V to 3.6 V for SN54LVC138A; 1.65 V to 3.6 V for SN74LVC138A.
- Supply Current
- 10 µA
- Interface
- Digital I/O
- Temperature Range
- -55°C to 125°C for SN54LVC138A; -40°C to 85°C for SN74LVC138A
- Package
- Multiple (SOIC, SSOP, TVSOP, D, DB, DGV, J, NS, PW, RGY, W)
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A | GPIO | Select input A (least significant bit) |
| 2 | B | GPIO | Select input B |
| 3 | C | GPIO | Select input C (most significant bit) |
| 4 | G2A | GPIO | Active low enable A |
| 5 | G2B | GPIO | Active low enable B |
| 6 | G1 | GPIO | Active high enable |
| 7 | VCC | POWER | |
| 8 | E1 | GND | |
| 9 | Y0 | GPIO | Output 0 (least significant bit) |
| 10 | Y1 | GPIO | Output 1 |
| 11 | Y2 | GPIO | Output 2 |
| 12 | Y3 | GPIO | Output 3 |
| 13 | Y4 | GPIO | Output 4 |
| 14 | Y5 | GPIO | Output 5 |
| 15 | Y6 | GPIO | Output 6 |
| 16 | Y7 | GPIO | Output 7 (most significant bit) |
Interactive pinout
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74LVC138
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