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74HC42 BCD-to-Decimal Decoder
SN74HC42
Texas Instrumentsic logic
The 74HC42 BCD-to-Decimal Decoder converts binary-coded decimal (BCD) inputs to seven-segment display codes.
In stock
Specifications
8- Operating Voltage
- 2 V to 6 V (VCC) / 0 V to 5.5 V (VIH, VIL)
- Supply Current
- 80 µA max
- Interface
- TTL compatible
- Resolution
- N/A
- Range
- 0 to 9 (inputs)
- Accuracy
- N/A
- Temperature Range
- -55°C to 125°C
- Package
- PDIP, SOIC, CDIP, LCCC
Pinout
11Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| A | Input A | GPIO | Part of the BCD input |
| B | Input B | GPIO | Part of the BCD input |
| C | Input C | GPIO | Part of the BCD input |
| D | Input D | GPIO | Part of the BCD input |
| G1 | Output G1 | GPIO | One of the seven-segment outputs |
| G2 | Output G2 | GPIO | One of the seven-segment outputs |
| G3 | Output G3 | GPIO | One of the seven-segment outputs |
| G4 | Output G4 | GPIO | One of the seven-segment outputs |
| G5 | Output G5 | GPIO | One of the seven-segment outputs |
| G6 | Output G6 | GPIO | One of the seven-segment outputs |
| G7 | Output G7 | GPIO | One of the seven-segment outputs |
Interactive pinout
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SN74HC42
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