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74HCT193 Binary Up/Down Counter
74HCT193
Nexperiaic logic
The 74HCT193 is a presettable synchronous 4-bit binary up/down counter that can count in both directions and has parallel load and master reset capabilities.
In stock
Specifications
3- Operating Voltage
- 2.0 V to 6.0 V (74HC193); 4.5 V to 5.5 V (74HCT193)
- Supply Current
- 50 mA
- Temperature Range
- -40 °C to +85 °C (25°C typical); -40 °C to +125 °C
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| VCC | Supply Voltage | POWER | Supply voltage |
| GND | Ground | GND | Ground reference |
| D0 | Data Input 0 | GPIO | Binary input for counting |
| D1 | Data Input 1 | GPIO | Binary input for counting |
| D2 | Data Input 2 | GPIO | Binary input for counting |
| D3 | Data Input 3 | GPIO | Binary input for counting |
| Q0 | Output 0 | GPIO | Counter output |
| Q1 | Output 1 | GPIO | Counter output |
| Q2 | Output 2 | GPIO | Counter output |
| Q3 | Output 3 | GPIO | Counter output |
| CPU | Count Up Clock Input | GPIO | Edge-triggered clock for counting up |
| CPD | Count Down Clock Input | GPIO | Edge-triggered clock for counting down |
| PL | Parallel Load Input | GPIO | Active LOW input to load data into the counter |
| MR | Master Reset Input | GPIO | Active HIGH input to reset the counter |
| TCU | Terminal Count Up Output | GPIO | Output active LOW when terminal count up is reached |
| TCD | Terminal Count Down Output | GPIO | Output active LOW when terminal count down is reached |
Interactive pinout
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74HCT193
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