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74HC163 Binary Counter
SN74HC163
Texas Instrumentsic logic
The 74HC163 is a synchronous binary counter that can be preset and cascaded for higher bit counts, featuring low power consumption and fast counting capabilities.
In stock
Specifications
7- Operating Voltage
- 2 V to 6 V (VCC) / 0 V to VCC (VI, VO)
- Supply Current
- 80-µA Max (ICC)
- Interface
- GPIO
- Resolution
- 4-bit binary counter
- Range
- 0 to 15
- Temperature Range
- -55°C to 125°C (Tstg)
- Package
- D, DB, J, N, NS, PW, W, SOIC, TSSOP, CDIP, CFP
Pinout
10Low 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 |
|---|---|---|---|
| 1 | QA | GPIO | Output of the first flip-flop |
| 2 | QB | GPIO | Output of the second flip-flop |
| 3 | QC | GPIO | Output of the third flip-flop |
| 4 | QD | GPIO | Output of the fourth flip-flop |
| 5 | CLK | GPIO | Clock input for triggering the flip-flops |
| 6 | ENT | GPIO | Enable input for counting |
| 7 | ENP | GPIO | Preset enable input |
| 8 | CLR | GPIO | Clear input to reset the counter |
| 9 | RCO | GPIO | Ripple carry output for cascading counters |
| 10 | LOAD | GPIO | Load input for presetting the counter |
Interactive pinout
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SN74HC163
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