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74LS193 Binary Up/Down Counter
74LS193
Texas Instrumentsic logic
A synchronous 4-bit up/down counter with dual clock inputs and clear functions.
In stock
Specifications
3- Package
- CDIP (J), CFP (W), LCCC (FK), SOIC (D), PDIP (N), SOP (NS)
- Operating Voltage
- 5 V to 12 V
- Supply Current
- 30 mA
Pinout
12Low 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 | CLK- | GPIO | Clock input for counting down |
| 2 | CLK+ | GPIO | Clock input for counting up |
| 3 | Q0 | GPIO | Output of the least significant bit |
| 4 | Q1 | GPIO | Output of the second least significant bit |
| 5 | Q2 | GPIO | Output of the third least significant bit |
| 6 | Q3 | GPIO | Output of the most significant bit |
| 7 | LD- | GPIO | Load input for counting down |
| 8 | LD+ | GPIO | Load input for counting up |
| 9 | CP- | GPIO | Clear input to reset the counter to 0 |
| 10 | CP+ | GPIO | Clear input to reset the counter to 16 (up mode) or 0 (down mode) |
| 11 | VCC | POWER | Supply voltage |
| 12 | GND | GND | Ground reference |
Interactive pinout
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74LS193
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