Overview
The SN74LS393NS is a dual 4-bit binary counter produced by Texas Instruments, a leading manufacturer in the semiconductor industry. This component falls under the category of integrated circuits (ICs) and is specifically designed for logic applications. It is widely used in digital systems for counting and frequency division tasks. The SN74LS393NS is known for its reliability and efficiency, making it a popular choice among engineers and designers in various industries.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Binary Counter | - | Dual 4-bit |
| Direction | Up | - | - |
| Number of Elements | 2 | - | - |
| Bits per Element | 4 | - | - |
| Reset | Asynchronous | - | - |
| Count Rate | 35 | MHz | - |
| Trigger Type | Negative Edge | - | - |
| Supply Voltage | 4.75 ~ 5.25 | V | - |
| Operating Temperature | 0 ~ 70 | °C | - |
| Package / Case | 14-DIP | - | 0.300", 7.62mm |
Key Features
- Dual 4-bit binary counters for efficient counting and frequency division.
- Asynchronous reset capability for immediate counter initialization.
- High-speed operation with a count rate of up to 35 MHz.
- Negative edge-triggered flip-flops for reliable counting.
- Wide operating voltage range (4.75V to 5.25V) for compatibility with various systems.
Applications
The SN74LS393NS is commonly used in digital systems for applications such as frequency division, event counting, and time delay generation. It is suitable for use in industrial automation, consumer electronics, and automotive electronics. Its high-speed operation and reliable performance make it ideal for applications requiring precise counting and timing.
Q & A
What is the logic type of the SN74LS393NS?
The SN74LS393NS is a dual 4-bit binary counter.
What is the maximum count rate of the SN74LS393NS?
The maximum count rate is 35 MHz.
Does the SN74LS393NS have an asynchronous reset?
Yes, it features an asynchronous reset for immediate counter initialization.
What is the operating voltage range of the SN74LS393NS?
The operating voltage range is 4.75V to 5.25V.
What is the trigger type of the SN74LS393NS?
It uses negative edge-triggered flip-flops.
What is the package type of the SN74LS393NS?
It comes in a 14-DIP package.
What is the operating temperature range of the SN74LS393NS?
The operating temperature range is 0°C to 70°C.
Can the SN74LS393NS be used in automotive electronics?
Yes, it is suitable for use in automotive electronics.
Is the SN74LS393NS suitable for high-speed applications?
Yes, it is designed for high-speed operation with a count rate of up to 35 MHz.
What are the typical applications of the SN74LS393NS?
Typical applications include frequency division, event counting, and time delay generation in digital systems.
