Encyclopedia Entry: 74ACT163SC

Product Overview

Category

The 74ACT163SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic devices.

Use

This IC is commonly used in digital systems for performing binary counting operations. It acts as a synchronous, presettable, 4-bit binary counter.

Characteristics

• Synchronous operation: The 74ACT163SC operates synchronously with an external clock signal.
• Presettable: It allows for presetting the initial count value through parallel inputs.
• Binary counting: The device counts in binary from 0 to 15 (or any other preset value).
• High-speed operation: It operates at high speeds, making it suitable for applications requiring quick counting operations.

Package

The 74ACT163SC is available in a standard 16-pin small-outline package (SOIC). This package offers compactness and ease of integration into various electronic systems.

Essence

The essence of the 74ACT163SC lies in its ability to perform reliable and efficient binary counting operations within digital systems.

Packaging/Quantity

The 74ACT163SC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Supply voltage range: 2V to 6V
• Operating temperature range: -40°C to +85°C
• Maximum clock frequency: 125 MHz
• Input/output compatibility: TTL-compatible

Detailed Pin Configuration

The 74ACT163SC features a total of 16 pins, each serving a specific purpose. The pin configuration is as follows:

1. Clock Enable (CE)
2. Parallel Load (PL)
3. Count Enable (CEP)
4. Master Reset (MR)
5. Data Inputs (D0-D3)
6. Carry Output (CO)
7. Outputs (Q0-Q3)
8. Ground (GND)
9. Outputs (Q3)
10. Outputs (Q2)
11. Outputs (Q1)
12. Outputs (Q0)
13. Carry Input (CI)
14. Clock (CLK)
15. Parallel Load (PL)
16. Supply Voltage (VCC)

Functional Features

Binary Counting

The 74ACT163SC performs binary counting operations, incrementing the count value by one on each rising edge of the clock signal. It can count from 0 to 15 or any other preset value based on the parallel inputs.

Presettable

The device allows for presetting the initial count value through the parallel load inputs (PL). This feature enables flexibility in designing specific counting sequences.

Synchronous Operation

The 74ACT163SC operates synchronously with an external clock signal (CLK). The count value is updated only when a rising edge is detected on the clock input.

Carry Output

The carry output (CO) provides a signal indicating an overflow condition when the count value exceeds its maximum limit.

Advantages and Disadvantages

Advantages

• High-speed operation enables quick counting operations.
• Presettable feature allows for flexible counting sequences.
• Compact package size facilitates integration into various electronic systems.
• Wide supply voltage range enhances compatibility with different power sources.

Disadvantages

• Limited maximum count value (up to 15 or any other preset value).
• Requires an external clock signal for synchronous operation.

Working Principles

The 74ACT163SC operates based on the principles of synchronous binary counting. When the clock signal (CLK) experiences a rising edge, the device increments the count value by one. The parallel load inputs (PL) allow for presetting the initial count value. The carry output (CO) indicates an overflow condition when the count value exceeds its maximum limit.

Detailed Application Field Plans

The 74ACT163SC finds applications in various digital systems that require binary counting operations. Some specific application fields include: - Digital frequency dividers - Event counters - Time delay circuits - Industrial automation systems - Communication equipment

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74ACT163SC. Some notable alternatives include: - 74HC163: A CMOS version of the 74ACT163SC with similar characteristics and pin configuration. - CD40163: A complementary metal-oxide-semiconductor (CMOS) counter IC with comparable features. - SN74LS163: A low-power Schottky TTL counter IC suitable for similar applications.

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

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