Overview
The SN74LS74ANSR is a dual D-type positive-edge-triggered flip-flop integrated circuit (IC) manufactured by Texas Instruments. This product is part of the 74LS series, which is widely recognized for its reliability and performance in digital logic applications. The SN74LS74ANSR is designed to provide robust functionality in a compact package, making it ideal for use in various electronic systems. Its primary target users include engineers and designers working on digital circuits, embedded systems, and industrial automation. The IC's unique selling points include its high-speed operation, low power consumption, and compatibility with TTL logic levels, making it a competitive choice for modern digital designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | D-Type Flip-Flop | - | Positive-edge-triggered |
| Number of Circuits | 2 | - | Dual flip-flop |
| Supply Voltage (VCC) | 4.75 to 5.25 | V | TTL compatible |
| Operating Temperature | 0 to 70 | °C | Commercial grade |
| Propagation Delay | 20 | ns | Typical at 5V |
| Power Dissipation | 20 | mW | Per flip-flop |
| Package Type | SOIC | - | 14-pin |
| Mounting Type | Surface Mount | - | - |
| Output Type | Standard | - | TTL output |
| Input Type | TTL | - | - |
Key Features
- Dual Flip-Flop Design: Includes two independent D-type flip-flops in a single package, saving board space.
- Positive-Edge Triggering: Ensures reliable operation on the rising edge of the clock signal.
- TTL Compatibility: Works seamlessly with TTL logic levels, ensuring broad compatibility.
- Low Power Consumption: Optimized for energy efficiency, making it suitable for battery-powered applications.
- High-Speed Operation: Provides fast propagation delay, ideal for high-performance digital systems.
Applications
The SN74LS74ANSR is widely used in various digital logic applications, including:
- Data Storage: Used in registers and memory units for temporary data storage.
- Counters and Timers: Essential in designing counters and timing circuits.
- State Machines: Integral to the implementation of finite state machines in digital systems.
- Signal Synchronization: Ensures proper synchronization of signals in communication systems.
- Industrial Automation: Used in control systems and PLCs for reliable logic operations.
Q & A
1. What is the operating voltage range of the SN74LS74ANSR?
The operating voltage range is 4.75V to 5.25V, compatible with TTL logic levels.
2. Is the SN74LS74ANSR suitable for high-speed applications?
Yes, it has a typical propagation delay of 20ns, making it suitable for high-speed digital systems.
3. Can the SN74LS74ANSR be used in industrial environments?
Yes, it is designed for commercial-grade applications and can be used in industrial automation systems.
4. What is the package type of the SN74LS74ANSR?
It comes in a 14-pin SOIC (Small Outline Integrated Circuit) package.
5. Does the SN74LS74ANSR support surface mounting?
Yes, it is designed for surface-mount applications.
6. How many flip-flops are included in the SN74LS74ANSR?
It includes two independent D-type flip-flops.
7. What is the power dissipation per flip-flop?
The power dissipation is approximately 20mW per flip-flop.
8. Is the SN74LS74ANSR compatible with CMOS logic?
No, it is designed for TTL logic levels and may not be directly compatible with CMOS logic.
9. What is the operating temperature range of the SN74LS74ANSR?
It operates within a temperature range of 0°C to 70°C.
10. Can the SN74LS74ANSR be used in battery-powered devices?
Yes, its low power consumption makes it suitable for battery-powered applications.
