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Synchronous 4-Bit Counters
74161
ic logic
The SN74LS161ADR and SN74LS163ADR are synchronous 4-bit counters with 16 pins, packaged in SOIC and SOP configurations. These ICs can be used for counting applications.
In stock
Specifications
3- Operating Voltage
- 5V Volts
- Package Type
- SOIC/SOP
- Number Of Pins
- 16
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | VCC/VDD | POWER | Power supply |
| 2 | GND | GND | Ground |
| 3 | Q1 | GPIO | Output for Q1 bit |
| 4 | Q2 | GPIO | Output for Q2 bit |
| 5 | Q3 | GPIO | Output for Q3 bit |
| 6 | Q4 | GPIO | Output for Q4 bit |
| 7 | C1 | GPIO | Clock input 1 |
| 8 | C2 | GPIO | Clock input 2 |
| 9 | C3 | GPIO | Clock input 3 |
| 10 | C4 | GPIO | Clock input 4 |
| 11 | R1 | GPIO | Reset input 1 |
| 12 | R2 | GPIO | Reset input 2 |
| 13 | R3 | GPIO | Reset input 3 |
| 14 | R4 | GPIO | Reset input 4 |
| 15 | VSS | GND | Ground |
| 16 | VCC/VDD | POWER | Power supply |
Interactive pinout
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74161
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