SN74LS76AD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Dual J-K Flip-Flop with Clear and Preset
• Package: 16-pin DIP (Dual In-line Package)
• Essence: Sequential Logic Device
• Packaging/Quantity: Tube, 25 pieces per tube

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 2.7V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 33 MHz
• Propagation Delay Time: 15 ns
• Power Dissipation: 500 mW

Detailed Pin Configuration

The SN74LS76AD has a total of 16 pins. The pin configuration is as follows:

1. J1 - J input for the first flip-flop
2. K1 - K input for the first flip-flop
3. CP1 - Clock input for the first flip-flop
4. PR1 - Preset input for the first flip-flop
5. CL1 - Clear input for the first flip-flop
6. Q1 - Output of the first flip-flop
7. Q̅1 - Complementary output of the first flip-flop
8. GND - Ground
9. Q̅2 - Complementary output of the second flip-flop
10. Q2 - Output of the second flip-flop
11. CL2 - Clear input for the second flip-flop
12. PR2 - Preset input for the second flip-flop
13. CP2 - Clock input for the second flip-flop
14. K2 - K input for the second flip-flop
15. J2 - J input for the second flip-flop
16. VCC - Power supply voltage

Functional Features

The SN74LS76AD is a dual J-K flip-flop with clear and preset functionality. It can store one bit of information in each flip-flop, which can be set or cleared based on the inputs provided. The flip-flops are triggered by a clock signal, allowing for synchronized operations. The clear and preset inputs provide additional control over the stored data.

Advantages and Disadvantages

Advantages: - Dual flip-flop design allows for more complex sequential logic circuits - Clear and preset inputs provide flexibility in controlling the stored data - High operating frequency enables fast data processing

Disadvantages: - Limited to 5V power supply range - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74LS76AD operates based on the principles of sequential logic. Each flip-flop stores one bit of information, which can be set or cleared based on the inputs provided. The clock signal triggers the flip-flops, causing them to update their stored values. The clear and preset inputs allow for additional control over the stored data, enabling specific states to be set or cleared as desired.

Detailed Application Field Plans

The SN74LS76AD is commonly used in various digital systems and applications, including:

1. Counters and Registers: The flip-flops can be used as building blocks for designing counters and registers in digital circuits.
2. Data Storage: The device can be utilized to store temporary or intermediate data in microprocessors and microcontrollers.
3. State Machines: Sequential logic circuits, such as state machines, can be implemented using the SN74LS76AD to control system behavior based on specific conditions.
4. Control Systems: The flip-flops can be employed in control systems to store and manipulate control signals.

Detailed and Complete Alternative Models

1. SN74LS76AN: Similar to SN74LS76AD, but in a 14-pin DIP package.
2. CD4027BE: Dual J-K flip-flop with clear and preset functionality, available in a 16-pin DIP package.
3. MC14027B: Dual J-K flip-flop with clear and preset, offered in a 14-pin DIP package.

These alternative models provide similar functionality to the SN74LS76AD and can be used as replacements depending on specific requirements.

In conclusion, the SN74LS76AD is a dual J-K flip-flop with clear and preset functionality. It is commonly used in various digital systems for storing and manipulating data. With its compact package and versatile features, it serves as a fundamental building block in sequential logic circuits.