Overview
The SN74LS73AN is a dual negative-edge-triggered J-K flip-flop integrated circuit (IC) produced by Texas Instruments. This IC is part of the LS (Low-Power Schottky) series, known for its balance of speed and power efficiency. The SN74LS73AN is designed for use in digital logic applications, offering reliable performance in sequential logic circuits. Its target user groups include electronics engineers, hobbyists, and developers working on digital systems, counters, and state machines. The product stands out for its robust design, low power consumption, and compatibility with a wide range of digital systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | J-K Flip-Flop | - | Dual, negative-edge-triggered |
| Supply Voltage (VCC) | 4.75 to 5.25 | V | Standard TTL levels |
| High-Level Output Current (IOH) | -0.4 | mA | |
| Low-Level Output Current (IOL) | 8 | mA | |
| Propagation Delay (tpd) | 15 | ns | Typical |
| Operating Temperature | 0 to 70 | °C | Commercial range |
| Package | 14-Pin PDIP | - | Plastic Dual In-Line Package |
Key Features
- Dual J-K flip-flops with clear functionality.
- Negative-edge triggering for precise timing control.
- Low power consumption, ideal for battery-powered devices.
- Wide operating voltage range compatible with TTL logic levels.
- Robust design for reliable performance in digital systems.
Applications
The SN74LS73AN is widely used in digital logic circuits, including:
- Counters and Registers: Ideal for designing synchronous counters and shift registers.
- State Machines: Used in sequential logic for state transitions.
- Timing Circuits: Suitable for applications requiring precise timing control.
- Industrial Control Systems: Provides reliable performance in automation and control systems.
- Consumer Electronics: Used in devices like calculators, digital clocks, and more.
Q & A
1. What is the operating voltage range of the SN74LS73AN?
The operating voltage range is 4.75V to 5.25V.
2. Is the SN74LS73AN edge-triggered or level-triggered?
It is negative-edge-triggered.
3. What is the typical propagation delay of this IC?
The typical propagation delay is 15 ns.
4. Does the SN74LS73AN include a clear function?
Yes, it includes a clear function for resetting the flip-flops.
5. What package type does the SN74LS73AN come in?
It comes in a 14-pin PDIP (Plastic Dual In-Line Package).
6. Can this IC be used in high-speed applications?
Yes, it is suitable for moderate-speed digital applications.
7. What is the maximum low-level output current?
The maximum low-level output current is 8 mA.
8. Is the SN74LS73AN compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
9. What is the operating temperature range?
The operating temperature range is 0°C to 70°C.
10. Can this IC be used in battery-powered devices?
Yes, its low power consumption makes it suitable for battery-powered applications.
