SN74ACT74DRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Digital Logic IC
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 3.7V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 125MHz
• Propagation Delay Time: 6.5ns
• Set-Up Time: 10ns
• Hold Time: 2ns

Detailed Pin Configuration

The SN74ACT74DRG4 has a total of 14 pins. The pin configuration is as follows:

1. CLR (Clear) - Clear input pin
2. D1 (Data 1) - Data input for the first flip-flop
3. CLK (Clock) - Clock input pin
4. D2 (Data 2) - Data input for the second flip-flop
5. Q1 (Output 1) - Output of the first flip-flop
6. Q1' (Complementary Output 1) - Complementary output of the first flip-flop
7. GND (Ground) - Ground pin
8. Q2' (Complementary Output 2) - Complementary output of the second flip-flop
9. Q2 (Output 2) - Output of the second flip-flop
10. PRE (Preset) - Preset input pin
11. PR' (Complementary Preset) - Complementary preset input pin
12. VCC (Supply Voltage) - Positive supply voltage pin
13. PR (Preset) - Preset input pin
14. CLR' (Complementary Clear) - Complementary clear input pin

Functional Features

• Dual D-Type Positive-Edge-Triggered Flip-Flop
• Independent Data, Clock, Preset, and Clear inputs for each flip-flop
• Complementary outputs for both flip-flops
• High-speed operation with a maximum frequency of 125MHz
• Wide supply voltage range of 4.5V to 5.5V
• Low power consumption

Advantages and Disadvantages

Advantages: - Dual flip-flop design allows for independent operation - Positive-edge triggering ensures reliable data capture - Wide supply voltage range enables compatibility with various systems - Low power consumption helps in reducing overall energy usage

Disadvantages: - Limited operating frequency compared to some other flip-flop ICs - Only supports positive-edge triggering, limiting its use in certain applications

Working Principles

The SN74ACT74DRG4 is a dual D-type positive-edge-triggered flip-flop. It stores data based on the rising edge of the clock signal. Each flip-flop has independent data, clock, preset, and clear inputs, allowing for separate control and operation.

When the clock signal transitions from low to high (rising edge), the data present at the D1 and D2 inputs are captured and stored in the respective flip-flops. The stored data is then available at the Q1 and Q2 outputs. The complementary outputs, Q1' and Q2', provide the inverted versions of the respective outputs.

The preset and clear inputs allow for setting the initial state of the flip-flops. When the preset input is activated, the Q1 and Q2 outputs are forced to a high logic level. Conversely, activating the clear input sets the outputs to a low logic level.

Detailed Application Field Plans

The SN74ACT74DRG4 is commonly used in various digital systems and applications, including:

1. Sequential Logic Circuits: The flip-flop functionality of the IC makes it suitable for building sequential logic circuits such as counters, shift registers, and memory elements.
2. Data Storage and Transfer: The dual flip-flop design allows for efficient storage and transfer of data in digital systems.
3. Clock Synchronization: The positive-edge triggering ensures synchronized data capture with the clock signal, making it useful in clock synchronization circuits.
4. Control Systems: The independent control inputs enable precise control over the operation of the flip-flops, making them suitable for use in control systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74ACT74DRG4 include:

1. CD4013BE: Dual D-Type Flip-Flop IC with complementary outputs
2. MC74HC74AN: Dual D Flip-Flop IC with preset and clear inputs
3. 74LS74