SN74LS74AN

Product Overview

Category

SN74LS74AN belongs to the category of integrated circuits (ICs).

Use

It is commonly used in digital electronics for various applications such as data storage, flip-flop circuits, and timing control.

Characteristics

• Low power consumption
• High-speed operation
• Wide operating voltage range
• Durable and reliable

Package

SN74LS74AN is available in a 14-pin dual in-line package (DIP).

Essence

The essence of SN74LS74AN lies in its ability to store and manipulate digital information effectively.

Packaging/Quantity

SN74LS74AN is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: LS
• Logic Type: D-Type Flip-Flop
• Number of Elements: 2
• Trigger Type: Positive Edge
• Clock Frequency: Up to 33MHz

Detailed Pin Configuration

1. CLR (Clear)
2. D (Data Input)
3. CLK (Clock Input)
4. PR (Preset)
5. Q (Output)
6. Q̅ (Complementary Output)
7. GND (Ground)
8. Q̅ (Complementary Output)
9. Q (Output)
10. VCC (Positive Power Supply)
11. J (Flip-Flop Input)
12. K (Flip-Flop Input)
13. CLK (Clock Input)
14. CLR (Clear)

Functional Features

• Asynchronous clear input (CLR) allows resetting the flip-flop to a known state.
• Positive-edge triggered clock input (CLK) controls the timing of data transfer.
• Data input (D) determines the state of the flip-flop.
• Preset input (PR) sets the flip-flop to a specific state.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered devices.
• High-speed operation enables efficient data processing.
• Wide operating voltage range ensures compatibility with various systems.
• Durable and reliable construction ensures long-term performance.

Disadvantages

• Limited number of elements per package may require multiple ICs for complex applications.
• Lack of built-in protection features may make it susceptible to damage from voltage spikes or ESD.

Working Principles

SN74LS74AN is based on D-type flip-flop logic. It stores and outputs digital information based on the clock signal and data input. The clear input allows resetting the flip-flop, while the preset input sets it to a predetermined state. The positive-edge triggered clock input synchronizes the transfer of data.

Detailed Application Field Plans

SN74LS74AN finds extensive use in various digital electronic applications, including: 1. Data storage and retrieval systems 2. Counters and timers 3. Sequential logic circuits 4. Control systems 5. Communication equipment

Detailed and Complete Alternative Models

1. SN7474N: Similar functionality, but operates at a higher clock frequency.
2. MC74HC74AN: Compatible with CMOS logic family, offering lower power consumption.
3. CD4013BE: Dual D-type flip-flop with additional features like Schmitt trigger inputs.

These alternative models provide similar functionality to SN74LS74AN, catering to different requirements and specifications.

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