SN74LVC2G74DCTR: High-Speed D-Type Flip-Flop IC by Texas Instruments | Features & Applications
SN74LVC2G74DCTR: Texas Instruments' High-Speed D-Type Flip-Flop IC for Advanced Digital Circuits
The SN74LVC2G74DCTR from Texas Instruments represents the pinnacle of single-bit D-Type flip-flop technology, offering engineers unparalleled performance in high-speed digital applications. This comprehensive guide explores every aspect of this versatile IC, from its technical specifications to real-world implementation strategies.
In-Depth Technical Analysis
Core Functionality
As a positive-edge-triggered D-Type flip-flop, the SN74LVC2G74DCTR features:
- True (Q) and complementary (Q ) outputs for flexible signal processing
- Asynchronous Set (PRE) and Reset (CLR) inputs for immediate state control
- Data (D) and clock (CLK) inputs for synchronous operation
Performance Specifications
| Parameter | Value | Significance |
|---|---|---|
| Clock Frequency | 200MHz | Enables high-speed data processing |
| Propagation Delay | 4.4ns @ 5V | Minimizes signal latency |
| Supply Voltage | 1.65V-5.5V | Wide compatibility range |
| Operating Temp | -40 C to +125 C | Industrial-grade reliability |
| I/O Current | 32mA | Strong drive capability |
Advanced Features
Power Efficiency
The IC's 10 A quiescent current makes it ideal for battery-powered devices, while its 5pF input capacitance reduces power dissipation in high-frequency applications.
Packaging Options
Available in space-saving 8-pin SM8 packages (LSSOP/MSOP), the device supports:
- Automated PCB assembly processes
- High-density circuit designs
- Thermally efficient layouts
Application Scenarios
Industrial Control Systems
The wide temperature range and robust design make it perfect for:
- PLC input/output conditioning
- Motor control timing circuits
- Sensor data synchronization
Consumer Electronics
Ideal for:
- Smartphone display timing controllers
- Wearable device state machines
- IoT edge node data storage
Automotive Electronics
Meets stringent requirements for:
- ECU signal conditioning
- ADAS timing circuits
- Infotainment system control
Design Considerations
PCB Layout Guidelines
For optimal performance:
- Keep clock traces short and impedance-matched
- Use 0.1 F decoupling capacitors near VCC
- Implement proper ground planes for noise immunity
Signal Integrity
The 200MHz capability requires attention to:
- Transmission line effects
- Reflection minimization
- Crosstalk prevention
Comparative Advantage
Compared to similar flip-flops, the SN74LVC2G74DCTR offers:
- 30% faster operation than standard LVC parts
- 50% wider voltage range than competing devices
- Industry-leading ESD protection (2000V HBM)
Purchasing Information
Available through authorized distributors:
- Standard packaging: 2500 units/reel
- Lead time: Typically 6-8 weeks
- RoHS and REACH compliant
Conclusion
The SN74LVC2G74DCTR sets a new benchmark for D-Type flip-flops, combining Texas Instruments' quality with cutting-edge performance. Its blend of speed, reliability, and versatility makes it the go-to choice for engineers designing next-generation digital systems across industries.