Overview
The SN74HCT74PWRE4 is a dual positive-edge-triggered D-type flip-flop integrated circuit (IC) manufactured by Texas Instruments. This IC belongs to the HCT logic family, which combines the high-speed performance of CMOS with the compatibility of TTL inputs. It is designed for applications requiring reliable data storage and transfer, making it suitable for a wide range of digital systems. The SN74HCT74PWRE4 is positioned as a cost-effective and versatile solution for engineers and designers working in industrial, automotive, and consumer electronics sectors. Its unique selling points include low power consumption, high noise immunity, and compatibility with both CMOS and TTL logic levels.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Family | HCT | - | High-speed CMOS with TTL compatibility |
| Number of Flip-Flops | 2 | - | Dual D-type flip-flop |
| Supply Voltage | 4.5 to 5.5 | V | TTL-compatible voltage range |
| High-Level Input Voltage | 2.0 | V | Minimum |
| Low-Level Input Voltage | 0.8 | V | Maximum |
| Propagation Delay | 25 | ns | Typical at 5V |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package | TSSOP-14 | - | Thin Shrink Small Outline Package |
| Mounting Type | Surface Mount | - | Suitable for PCB assembly |
Key Features
- Dual D-Type Flip-Flops: Provides two independent flip-flops in a single package, saving board space and reducing component count.
- Positive-Edge Triggering: Ensures reliable data capture on the rising edge of the clock signal.
- Low Power Consumption: Optimized for energy-efficient designs, making it suitable for battery-powered applications.
- High Noise Immunity: Designed to operate reliably in noisy environments, ensuring stable performance.
- Wide Operating Voltage Range: Supports 4.5V to 5.5V, making it compatible with TTL logic levels.
Applications
The SN74HCT74PWRE4 is widely used in various digital systems, including:
- Industrial Automation: For data storage and control logic in PLCs and industrial controllers.
- Consumer Electronics: In devices such as gaming consoles, smart home systems, and audio equipment.
- Automotive Electronics: For signal processing and control in automotive systems.
- Communication Systems: In data transmission and synchronization circuits.
- Test and Measurement Equipment: For precise timing and data capture in instrumentation.
Q & A
1. What is the operating voltage range of the SN74HCT74PWRE4?
The operating voltage range is 4.5V to 5.5V.
2. Is the SN74HCT74PWRE4 compatible with TTL logic levels?
Yes, it is designed to be compatible with TTL logic levels.
3. What is the typical propagation delay of this IC?
The typical propagation delay is 25 ns at 5V.
4. Can the SN74HCT74PWRE4 be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and industrial temperature range.
5. What package does the SN74HCT74PWRE4 come in?
It is available in a TSSOP-14 package.
6. How many flip-flops are included in the SN74HCT74PWRE4?
It includes two independent D-type flip-flops.
7. What is the maximum operating temperature of this IC?
The maximum operating temperature is 85°C.
8. Is the SN74HCT74PWRE4 suitable for surface-mount technology (SMT)?
Yes, it is designed for surface-mount assembly on PCBs.
9. Does this IC support positive-edge triggering?
Yes, it features positive-edge triggering for reliable data capture.
10. What are the key advantages of using the SN74HCT74PWRE4?
Key advantages include low power consumption, high noise immunity, and compatibility with both CMOS and TTL logic levels.
