Encyclopedia Entry: 74ACT109SCX

Product Overview

Category

The 74ACT109SCX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for various applications, including data storage and signal processing.

Characteristics

• The 74ACT109SCX is a dual positive-edge triggered JK flip-flop.
• It operates at high-speed and low-power consumption.
• This IC has a wide operating voltage range and can work with both TTL and CMOS logic levels.
• It offers excellent noise immunity and high output drive capability.

Package

The 74ACT109SCX is available in a small outline package (SOIC) format.

Essence

The essence of this IC lies in its ability to store and manipulate binary information effectively within digital circuits.

Packaging/Quantity

The 74ACT109SCX is typically packaged in reels or tubes, containing a quantity of 250 or 2,500 units per package.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V (min), 3.85V (max)
• Low-Level Input Voltage: 0.8V (min), 1.35V (max)
• High-Level Output Voltage: 2.4V (min), VCC (max)
• Low-Level Output Voltage: GND (min), 0.4V (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT109SCX has a total of 16 pins, which are assigned specific functions as follows:

1. Clear (CLR)
2. Clock (CLK)
3. J-K Flip-Flop A Inputs (J1, K1)
4. J-K Flip-Flop A Outputs (Q1, Q̅1)
5. J-K Flip-Flop B Inputs (J2, K2)
6. J-K Flip-Flop B Outputs (Q2, Q̅2)
7. Set (SET)
8. Ground (GND)
9. Data Inputs (D1, D2)
10. Clock Enable (CE)
11. VCC
12. Output Enable (OE)

Functional Features

• Positive-edge triggering: The flip-flops are triggered by the rising edge of the clock signal.
• Asynchronous clear and set inputs: The CLR and SET inputs allow for immediate resetting or setting of the flip-flop outputs.
• Dual flip-flop operation: The 74ACT109SCX contains two independent JK flip-flops, allowing for simultaneous storage of two sets of binary data.
• Data input and output: The IC provides separate data inputs for each flip-flop and corresponding outputs for easy integration into digital systems.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Low-power consumption contributes to energy efficiency.
• Wide operating voltage range allows compatibility with various logic levels.
• Excellent noise immunity ensures reliable performance in noisy environments.
• Compact SOIC package facilitates space-saving integration.

Disadvantages

• Limited number of flip-flops per IC may restrict certain applications requiring multiple storage elements.
• Lack of built-in error detection or correction mechanisms may require additional circuitry for fault tolerance.

Working Principles

The 74ACT109SCX operates based on the principles of sequential logic. It utilizes positive-edge triggering to capture and store binary information. The flip-flops within the IC can be cleared or set asynchronously, providing flexibility in controlling the stored data. The dual flip-flop design allows for parallel storage of two sets of data, enhancing the IC's functionality.

Detailed Application Field Plans

The 74ACT109SCX finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Data communication systems - Memory modules - Control units - Signal processing circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT109SCX include: - 74HC109: A CMOS version of the JK flip-flop with comparable characteristics. - CD4013: Dual D-type flip-flop IC suitable for sequential logic applications. - SN74LS73A: Dual negative-edge triggered JK flip-flop with complementary outputs.

These alternative models can be considered based on specific project requirements and compatibility with existing circuitry.

In conclusion, the 74ACT109SCX is a versatile dual JK flip-flop IC widely used in digital electronic systems. Its high-speed operation, low-power consumption, and compatibility with different logic levels make it a popular choice for various applications.