SN74ALS74ADRE4

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: High-speed, low-power consumption flip-flop
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100MHz
• Propagation Delay Time: 9ns
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74ALS74ADRE4 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. PR (Preset) - Preset input
5. Q (Output) - Output
6. Q̅ (Complementary Output) - Complementary output
7. GND (Ground) - Ground reference
8. Q̅ (Complementary Output) - Complementary output
9. Q (Output) - Output
10. VCC (Positive Power Supply) - Positive power supply
11. D (Data) - Data input
12. CLK (Clock) - Clock input
13. PR (Preset) - Preset input
14. CLR (Clear) - Clear input

Functional Features

The SN74ALS74ADRE4 is a dual D-type positive-edge-triggered flip-flop. It is designed to store and transfer data in electronic circuits. The flip-flop operates on the rising edge of the clock signal, capturing the input data and storing it in its internal memory. The stored data can then be accessed through the output pins.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - Dual flip-flop configuration for increased functionality - Wide operating voltage range - Compact SOIC package for space-saving designs

Disadvantages: - Limited maximum operating frequency compared to some other flip-flop models - Not suitable for applications requiring very high-speed data processing

Working Principles

The SN74ALS74ADRE4 flip-flop works based on positive-edge triggering. When the clock signal transitions from low to high (rising edge), the input data is captured and stored in the flip-flop's internal memory. The stored data remains unchanged until the next rising edge of the clock signal. The flip-flop can be cleared or preset using the CLR and PR inputs, respectively.

Detailed Application Field Plans

The SN74ALS74ADRE4 flip-flop finds applications in various digital systems where data storage and transfer are required. Some common application fields include:

1. Digital Communication Systems: Used for data synchronization and buffering in communication protocols.
2. Microprocessors and Microcontrollers: Employed for register operations and data manipulation.
3. Memory Systems: Utilized for address decoding and control signal generation.
4. Data Processing Units: Integrated into arithmetic logic units (ALUs) for temporary data storage.

Detailed and Complete Alternative Models

1. SN74LS74AN: Dual D-Type Positive-Edge-Triggered Flip-Flop with wider temperature range (-55°C to 125°C).
2. SN74HC74N: Dual D-Type Positive-Edge-Triggered Flip-Flop with higher maximum operating frequency (133MHz).
3. SN74F74N: Dual D-Type Positive-Edge-Triggered Flip-Flop with faster propagation delay time (6ns).

These alternative models offer similar functionality to the SN74ALS74ADRE4 but may have different specifications and characteristics.

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