Overview
The SNJ54HC4020FK is a high-performance 14-stage binary ripple counter manufactured by Texas Instruments. This device is part of the HC family, which is known for its high-speed CMOS technology, offering a balance of low power consumption and high noise immunity. The SNJ54HC4020FK is designed for use in applications requiring reliable counting and frequency division. Its rugged construction and military-grade specifications make it suitable for demanding environments, particularly in aerospace and defense applications.
This product is targeted at engineers and designers working on high-reliability systems, including industrial control, instrumentation, and military electronics. Its unique selling points include its wide operating voltage range, robust performance under extreme conditions, and compatibility with other HC series components.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 2 to 6 | V | Wide operating range |
| Operating Temperature | -55 to 125 | °C | Military-grade range |
| Number of Stages | 14 | - | Binary ripple counter |
| Output Current | ±25 | mA | High drive capability |
| Propagation Delay | 16 | ns | Typical at 5V |
| Package Type | Ceramic Flatpack | - | FK package |
| Logic Family | HC | - | High-speed CMOS |
| Input Capacitance | 3.5 | pF | Typical |
| Power Dissipation | 500 | mW | Maximum |
Key Features
- 14-stage binary ripple counter for high-resolution counting applications.
- Wide operating voltage range (2V to 6V) ensures compatibility with various systems.
- Military-grade temperature range (-55°C to 125°C) for extreme environments.
- High noise immunity and low power consumption typical of HC series components.
- Ceramic Flatpack (FK) package for robust mechanical and thermal performance.
Applications
The SNJ54HC4020FK is ideal for use in high-reliability systems, including:
- Aerospace and Defense: Counters and frequency dividers in avionics and military electronics.
- Industrial Control: Timing and control circuits in automation systems.
- Instrumentation: Precision counting in test and measurement equipment.
- Telecommunications: Frequency division in communication systems.
Q & A
1. What is the operating voltage range of the SNJ54HC4020FK?
The operating voltage range is 2V to 6V.
2. Is the SNJ54HC4020FK suitable for high-temperature environments?
Yes, it operates reliably in temperatures ranging from -55°C to 125°C.
3. How many stages does the binary ripple counter have?
It has 14 stages.
4. What is the typical propagation delay of this device?
The typical propagation delay is 16 ns at 5V.
5. What package type is used for the SNJ54HC4020FK?
It uses a Ceramic Flatpack (FK) package.
6. Can this device be used in industrial control systems?
Yes, it is well-suited for timing and control circuits in industrial applications.
7. What is the maximum power dissipation of the SNJ54HC4020FK?
The maximum power dissipation is 500 mW.
8. Is the SNJ54HC4020FK compatible with other HC series components?
Yes, it is fully compatible with other HC series devices.
9. What is the output current capability of this device?
It can source or sink up to ±25 mA.
10. What are the typical applications of the SNJ54HC4020FK?
Typical applications include aerospace, defense, industrial control, and instrumentation.
