Overview
The SN74HC161DBR is a high-speed CMOS logic 4-bit synchronous binary counter produced by Texas Instruments. It is designed for applications requiring high-speed counting and synchronous operation. This component is widely used in digital systems, such as frequency dividers, time delay circuits, and sequential logic systems. Its market positioning targets engineers and designers in industries like industrial automation, consumer electronics, and telecommunications. The SN74HC161DBR stands out for its robust performance, low power consumption, and compatibility with TTL logic levels.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Binary Counter | - | Synchronous operation |
| Count Direction | Up | - | - |
| Number of Bits | 4 | - | - |
| Reset Type | Asynchronous | - | - |
| Count Frequency (Max) | 25 | MHz | - |
| Trigger Type | Positive Edge | - | - |
| Supply Voltage | 4.75 ~ 5.25 | V | - |
| Operating Temperature | 0 ~ 70 | °C | - |
| Package Type | SOIC-16 | - | - |
| Mounting Type | Surface Mount | - | - |
Key Features
- High-speed synchronous counting up to 25 MHz.
- Asynchronous reset for immediate counter initialization.
- Compatible with TTL logic levels for easy integration.
- Low power consumption, ideal for battery-operated devices.
- Compact SOIC-16 package for space-constrained applications.
Applications
The SN74HC161DBR is widely used in various digital systems. In industrial automation, it serves as a frequency divider in control systems. In consumer electronics, it is utilized in timing circuits for devices like microwaves and washing machines. In telecommunications, it plays a critical role in signal processing and data synchronization. Its reliability and performance make it a preferred choice for designers in these fields.
Q & A
1. What is the maximum count frequency of the SN74HC161DBR?
The maximum count frequency is 25 MHz.
2. Is the SN74HC161DBR compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
3. What is the operating voltage range for this component?
The operating voltage range is 4.75 V to 5.25 V.
4. Does the SN74HC161DBR support asynchronous reset?
Yes, it features an asynchronous reset function.
5. What is the package type of the SN74HC161DBR?
It comes in an SOIC-16 package.
6. What is the typical application of this component?
It is commonly used in frequency dividers, timing circuits, and sequential logic systems.
7. What is the temperature range for operation?
The operating temperature range is 0°C to 70°C.
8. How many bits does the SN74HC161DBR support?
It is a 4-bit binary counter.
9. Is this component suitable for surface mount applications?
Yes, it is designed for surface mount applications.
10. What is the trigger type used in this counter?
It uses positive edge triggering.
