Overview
The SN74AHC74DR is a dual positive-edge-triggered D-type flip-flop integrated circuit (IC) manufactured by Texas Instruments. This device is part of the 74AHC logic family, known for its high-speed operation and low power consumption. The SN74AHC74DR is designed for applications requiring reliable data storage and transfer, making it suitable for use in industrial control, communication systems, and consumer electronics. Its key selling points include balanced outputs, over-voltage tolerant inputs, and a wide operating voltage range, ensuring compatibility with various system designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 2 | - | Dual flip-flop design |
| Technology Family | AHC | - | High-speed CMOS |
| Supply Voltage (Min) | 2 | V | - |
| Supply Voltage (Max) | 5.5 | V | - |
| Input Type | Standard CMOS | - | - |
| Output Type | Push-Pull | - | - |
| Clock Frequency (Max) | 110 | MHz | - |
| IOL (Max) | 8 | mA | Low-level output current |
| IOH (Max) | -8 | mA | High-level output current |
| ICC (Max) | 20 | µA | Quiescent current |
| Operating Temperature | -40 to +125 | °C | Extended temperature range |
| Package | SOIC-14 | - | Surface-mount package |
Key Features
- Dual D-Type Flip-Flop: Two independent flip-flops in a single package for efficient data handling.
- Positive-Edge Triggering: Data is transferred to the output on the rising edge of the clock signal.
- Over-Voltage Tolerant Inputs: Enhances reliability in noisy environments.
- Balanced Outputs: Ensures symmetrical drive capability for improved signal integrity.
- Wide Operating Voltage Range: Supports 2V to 5.5V, making it versatile for various applications.
- Low Power Consumption: Ideal for battery-operated and energy-efficient systems.
Applications
The SN74AHC74DR is widely used in applications requiring data storage and transfer. Key application areas include:
- Industrial Control: Used in automation systems for signal synchronization and timing control.
- Communication Systems: Facilitates data buffering and signal conditioning in networking equipment.
- Consumer Electronics: Integrated into devices like gaming consoles and home appliances for logic operations.
- Automotive Electronics: Employed in vehicle control units for reliable data processing.
Q & A
1. What is the function of the SN74AHC74DR?
The SN74AHC74DR is a dual D-type flip-flop that stores and transfers data on the rising edge of the clock signal.
2. What is the operating voltage range of this IC?
The operating voltage range is from 2V to 5.5V.
3. Can the SN74AHC74DR be used in high-speed applications?
Yes, it supports clock frequencies up to 110 MHz, making it suitable for high-speed applications.
4. What is the package type of the SN74AHC74DR?
It is available in a SOIC-14 surface-mount package.
5. Is the SN74AHC74DR suitable for industrial environments?
Yes, its over-voltage tolerant inputs and wide temperature range make it ideal for industrial applications.
6. How many flip-flops are included in this IC?
The SN74AHC74DR contains two independent D-type flip-flops.
7. What is the maximum output current of this device?
The maximum output current is 8 mA for both low and high levels.
8. Does the SN74AHC74DR support low-power operation?
Yes, it features low power consumption, making it suitable for energy-efficient designs.
9. What is the significance of the balanced outputs?
Balanced outputs ensure symmetrical drive capability, improving signal integrity and reducing noise.
10. Can this IC be used in automotive systems?
Yes, its robust design and extended temperature range make it suitable for automotive electronics.
