Overview
The SN74LS393NE4 is a dual 4-bit binary counter produced by Texas Instruments. This integrated circuit (IC) is designed for applications requiring high-speed counting operations. It is part of the LS (Low-Power Schottky) series, known for its balance of speed and power efficiency. The SN74LS393NE4 is widely used in digital systems for counting, frequency division, and timing applications. Its target user groups include engineers and designers in industries such as industrial automation, consumer electronics, and telecommunications. The product stands out for its reliability, ease of integration, and compatibility with TTL logic levels.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 4.75 to 5.25 | V | Standard TTL voltage range |
| Operating Temperature | 0 to 70 | °C | Commercial grade |
| Count Rate | 32 | MHz | Maximum clock frequency |
| Number of Counters | 2 | - | Dual 4-bit binary counters |
| Logic Family | LS | - | Low-Power Schottky |
| Package Type | PDIP-14 | - | Plastic Dual In-Line Package |
| Propagation Delay | 15 | ns | Typical value |
| Power Dissipation | 45 | mW | Per package |
Key Features
- Dual 4-bit binary counters for versatile counting applications.
- High-speed operation with a maximum count rate of 32 MHz.
- Compatible with TTL logic levels for easy integration into existing systems.
- Low-power Schottky technology for efficient performance.
- Clear function to reset counters to zero.
Applications
The SN74LS393NE4 is commonly used in a variety of digital systems, including:
- Industrial Automation: For timing and control in machinery and processes.
- Consumer Electronics: In devices requiring frequency division or counting, such as clocks and timers.
- Telecommunications: For signal processing and frequency synthesis.
- Embedded Systems: As a component in microcontrollers and digital logic circuits.
Q & A
1. What is the maximum clock frequency of the SN74LS393NE4?
The maximum clock frequency is 32 MHz.
2. What is the operating voltage range for this IC?
The operating voltage range is 4.75 to 5.25 V.
3. Can the counters be reset to zero?
Yes, the counters can be reset using the clear function.
4. What is the typical propagation delay?
The typical propagation delay is 15 ns.
5. Is the SN74LS393NE4 compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
6. What is the package type of this IC?
The package type is PDIP-14 (Plastic Dual In-Line Package).
7. What is the power dissipation per package?
The power dissipation is 45 mW per package.
8. What is the operating temperature range?
The operating temperature range is 0 to 70 °C.
9. How many counters are included in the SN74LS393NE4?
It includes two 4-bit binary counters.
10. What is the logic family of this IC?
The logic family is LS (Low-Power Schottky).
