SN74AHC74DR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power, dual D-type positive-edge-triggered flip-flop
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Digital logic component used for storing and transferring binary data
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• High-Level Input Voltage: 2 V to VCC + 0.5 V
• Low-Level Input Voltage: -0.5 V to 0.8 V
• High-Level Output Current: -6 mA
• Low-Level Output Current: 6 mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AHC74DR has a total of 14 pins. The pin configuration is as follows:

1. CLR (Clear) - Clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. Q (Output) - Output
5. Q̅ (Complementary Output) - Complementary output
6. GND (Ground) - Ground reference
7. Q̅ (Complementary Output) - Complementary output
8. Q (Output) - Output
9. VCC (Positive Power Supply) - Positive power supply
10. D (Data) - Data input
11. CLK (Clock) - Clock input
12. CLR (Clear) - Clear input
13. GND (Ground) - Ground reference
14. VCC (Positive Power Supply) - Positive power supply

Functional Features

• Dual D-type positive-edge-triggered flip-flop with clear functionality
• High-speed operation, suitable for applications requiring fast data transfer
• Low power consumption, making it energy-efficient
• Clear input allows for resetting the flip-flop to a known state

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer
• Low power consumption helps in reducing energy usage
• Clear functionality allows for easy reset of the flip-flop

Disadvantages

• Limited voltage supply range (2 V to 5.5 V)
• Operating temperature range may not be suitable for extreme environments

Working Principles

The SN74AHC74DR is a dual D-type positive-edge-triggered flip-flop. It stores and transfers binary data based on the clock signal. When the clock signal transitions from low to high (positive edge), the data input is captured and stored in the flip-flop. The stored data is then available at the output pins until the next clock transition occurs. The clear input can be used to reset the flip-flop to a known state.

Detailed Application Field Plans

The SN74AHC74DR is commonly used in various digital systems and applications, including:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data storage devices
4. Industrial automation
5. Consumer electronics

Detailed and Complete Alternative Models

1. SN74AHC74N - DIP (Dual In-line Package) version of the same flip-flop
2. MC74HC74ADR2G - Flip-flop with similar characteristics from a different manufacturer
3. CD4013BE - CMOS Dual D-Type Flip-Flop with similar functionality

These alternative models provide similar functionality and can be used as replacements for the SN74AHC74DR in various applications.

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