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Synchronous 4-Bit Counters
74163
ic logic
A synchronous 4-bit counter IC used for counting and generating binary sequences.
In stock
Specifications
3- Operating Voltage
- 5V
- Supply Current
- 10mA
- Package
- CDIP, CFP, LCCC, SOIC, PDIP
Pinout
16Low 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 | QD' | GPIO | Output of the 4th stage. |
| 2 | QC' | GPIO | Output of the 3rd stage. |
| 3 | QB' | GPIO | Output of the 2nd stage. |
| 4 | QA' | GPIO | Output of the 1st stage. |
| 5 | LD' | GPIO | Load input, active low. |
| 6 | CP | GPIO | Clock input. |
| 7 | LD/SD' | GPIO | Load/shift direction, active low. Low for shift left, high for shift right. |
| 8 | GND | GND | Ground reference. |
| 9 | SD' | GPIO | Shift input, active low. Used for loading data or shifting in parallel. |
| 10 | Q3' | GPIO | Output of the 3rd stage. |
| 11 | Q2' | GPIO | Output of the 2nd stage. |
| 12 | Q1' | GPIO | Output of the 1st stage. |
| 13 | VCC | POWER | Supply voltage. |
| 14 | QD | GPIO | Output of the 4th stage. |
| 15 | QC | GPIO | Output of the 3rd stage. |
| 16 | QB | GPIO | Output of the 2nd stage. |
Interactive pinout
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74163
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