Encyclopedia Entry: 74ACT520SJX

Product Overview

Category

The 74ACT520SJX belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic ICs.

Use

This IC is commonly used in digital systems for various applications such as data processing, signal manipulation, and control functions.

Characteristics

• High-speed operation: The 74ACT520SJX is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• Low power consumption: This IC is optimized for low power consumption, ensuring efficient energy usage.
• Wide voltage range: It can operate within a wide voltage range, typically between 2V and 6V.
• Compatibility: The 74ACT520SJX is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

Package and Quantity

The 74ACT520SJX is available in a small outline integrated circuit (SOIC) package. It is supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Number of Pins: 20
• Supply Voltage Range: 2V to 6V
• Logic Family: ACT
• Logic Type: Dual 8-bit synchronous binary counter
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL and CMOS

Detailed Pin Configuration

The pin configuration of the 74ACT520SJX is as follows:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. A0 (Data Input A0)
4. A1 (Data Input A1)
5. A2 (Data Input A2)
6. A3 (Data Input A3)
7. A4 (Data Input A4)
8. A5 (Data Input A5)
9. A6 (Data Input A6)
10. A7 (Data Input A7)
11. B0 (Data Input B0)
12. B1 (Data Input B1)
13. B2 (Data Input B2)
14. B3 (Data Input B3)
15. B4 (Data Input B4)
16. B5 (Data Input B5)
17. B6 (Data Input B6)
18. B7 (Data Input B7)
19. QH (Output QH)
20. GND (Ground)

Functional Features

The 74ACT520SJX is a dual 8-bit synchronous binary counter with the following functional features:

• Synchronous Counting: The counter advances on each clock pulse, ensuring synchronized operation.
• Master Reset: The MR input allows for resetting the counter to its initial state.
• Parallel Data Inputs: The A0-A7 and B0-B7 inputs allow for loading data into the counter.
• Output: The QH output provides the current count value.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient processing of time-critical tasks.
• Low power consumption ensures energy efficiency.
• Wide voltage range allows for compatibility with various systems.
• Compatibility with TTL and CMOS logic levels simplifies integration into existing designs.

Disadvantages

• Limited number of available counter bits may restrict certain applications requiring larger counters.
• The SOIC package may not be suitable for all PCB layouts or assembly processes.

Working Principles

The 74ACT520SJX operates based on synchronous counting principles. On each rising edge of the clock signal, the counter advances by one count. The parallel data inputs (A0-A7 and B0-B7) allow for loading specific values into the counter. The master reset (MR) input resets the counter to its initial state when activated.

Detailed Application Field Plans

The 74ACT520SJX finds applications in various fields, including: 1. Digital signal processing 2. Data communication systems 3. Industrial automation 4. Embedded systems 5. Robotics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74ACT520SJX are: - 74HC520 - 74LS520 - CD4024 - CD74HCT520

These models offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, the 74ACT520SJX is a high-speed, low-power dual 8-bit synchronous binary counter IC. It offers compatibility with TTL and CMOS logic levels, making it suitable for various digital applications. Its compact SOIC package and wide voltage range further enhance its versatility.