Encyclopedia Entry: 74F112SC

Product Overview

Category

The 74F112SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is primarily used in digital electronics for storing and manipulating binary data. It serves as a fundamental building block in various applications, including sequential logic circuits, counters, registers, and memory units.

Characteristics

• The 74F112SC is a dual negative-edge-triggered JK flip-flop.
• It operates on a wide supply voltage range, typically between 4.5V and 5.5V.
• This IC offers high-speed operation, making it suitable for time-critical applications.
• It features a compact package size, allowing for space-efficient circuit designs.
• The 74F112SC exhibits excellent noise immunity, ensuring reliable performance even in noisy environments.

Package and Quantity

The 74F112SC is commonly available in a 16-pin small outline integrated circuit (SOIC) package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V (min), 7.0V (max)
• Low-Level Input Voltage: -0.5V (min), 0.8V (max)
• High-Level Output Voltage: 2.7V (min), Vcc (max)
• Low-Level Output Voltage: 0.0V (min), 0.5V (max)
• Maximum Operating Frequency: 100 MHz

Pin Configuration

The 74F112SC has a total of 16 pins, which are assigned specific functions as follows:

1. CLR (Clear) - Clear input pin
2. CLK (Clock) - Clock input pin
3. J (J Input) - J input pin
4. K (K Input) - K input pin
5. Q1 (Output 1) - Output 1 pin
6. Q1̅ (Complementary Output 1) - Complementary output 1 pin
7. GND (Ground) - Ground reference pin
8. Q0 (Output 0) - Output 0 pin
9. Q0̅ (Complementary Output 0) - Complementary output 0 pin
10. K (K Input) - K input pin
11. J (J Input) - J input pin
12. CLK (Clock) - Clock input pin
13. CLR (Clear) - Clear input pin
14. Vcc (Supply Voltage) - Positive supply voltage pin
15. Q1̅ (Complementary Output 1) - Complementary output 1 pin
16. Q1 (Output 1) - Output 1 pin

Functional Features

• The 74F112SC operates as a negative-edge-triggered JK flip-flop, allowing for synchronous data storage and manipulation.
• It offers two independent flip-flops within a single IC package, providing flexibility in circuit design.
• The clear input (CLR) allows for resetting the flip-flop to a known state.
• The clock input (CLK) controls the timing of data transfer and storage.
• The J and K inputs determine the behavior of the flip-flop based on their logic levels.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient processing of digital signals.
• Compact package size facilitates space-saving designs.
• Wide supply voltage range ensures compatibility with various systems.
• Excellent noise immunity enhances reliability in noisy environments.

Disadvantages

• Limited functionality compared to more advanced flip-flop types.
• Requires careful consideration of timing and clock synchronization in complex circuits.

Working Principles

The 74F112SC operates based on the principles of sequential logic. It utilizes negative-edge-triggering to latch and store data. The J and K inputs control the state of the flip-flop, while the clock input determines when the data is transferred and stored. The clear input allows for resetting the flip-flop to a known state.

Application Field Plans

The 74F112SC finds applications in various fields, including: 1. Digital communication systems 2. Microprocessor-based systems 3. Data storage and retrieval systems 4. Industrial automation and control systems 5. Embedded systems

Alternative Models

Alternative models that offer similar functionality to the 74F112SC include: - 74LS112 - 74HC112 - 74HCT112 - CD4013

These alternative models can be considered based on specific requirements and compatibility with existing circuit designs.

In conclusion, the 74F112SC is a dual negative-edge-triggered JK flip-flop integrated circuit. It offers high-speed operation, compact packaging, and excellent noise immunity