Overview
The SN74HC161DT is a 4-bit synchronous binary counter produced by Texas Instruments. This component is part of the 74HC logic family, known for its high-speed CMOS technology. It is designed for applications requiring high-speed counting and is widely used in digital systems for tasks such as frequency division, time delay generation, and sequential logic operations. The SN74HC161DT is particularly valued for its low power consumption and compatibility with TTL levels, making it suitable for both industrial and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Binary Counter | - | - |
| Count Direction | Up | - | - |
| Number of Bits | 4 | - | - |
| Reset Type | Asynchronous | - | - |
| Timing | Synchronous | - | - |
| Count Frequency (Max) | 25 | MHz | - |
| Trigger Type | Positive Edge | - | - |
| Supply Voltage | 4.75 to 5.25 | V | - |
| Operating Temperature | 0 to 70 | °C | - |
| Mounting Type | Through Hole | - | - |
| Package/Case | 16-DIP | - | - |
Key Features
- High-speed operation with a maximum count frequency of 25 MHz.
- Low power consumption, making it ideal for battery-powered devices.
- Compatible with TTL levels, ensuring easy integration into existing systems.
- Synchronous counting ensures precise timing and control.
- Asynchronous reset allows for immediate counter initialization.
Applications
The SN74HC161DT is commonly used in a variety of applications, including digital clocks, frequency dividers, and sequential logic circuits. Its ability to perform high-speed counting makes it suitable for use in industrial automation, consumer electronics, and automotive systems. Additionally, its low power consumption and TTL compatibility make it a preferred choice for portable devices and embedded systems.
Q & A
1. What is the maximum count frequency of the SN74HC161DT?
The maximum count frequency is 25 MHz.
2. Is the SN74HC161DT compatible with TTL levels?
Yes, it is compatible with TTL levels.
3. What is the operating temperature range of the SN74HC161DT?
The operating temperature range is 0°C to 70°C.
4. Does the SN74HC161DT have an asynchronous reset feature?
Yes, it has an asynchronous reset feature.
5. What is the supply voltage range for the SN74HC161DT?
The supply voltage range is 4.75 V to 5.25 V.
6. What type of counter is the SN74HC161DT?
It is a 4-bit synchronous binary counter.
7. What is the package type of the SN74HC161DT?
The package type is 16-DIP.
8. Can the SN74HC161DT be used in battery-powered devices?
Yes, its low power consumption makes it suitable for battery-powered devices.
9. What is the trigger type for the SN74HC161DT?
The trigger type is positive edge.
10. What are some common applications of the SN74HC161DT?
Common applications include digital clocks, frequency dividers, and sequential logic circuits.
