CD74HC109EG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-Speed, Dual J-K Flip-Flop with Clear
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HC109EG4 is a dual J-K flip-flop with clear, designed for high-speed digital logic applications.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Current: -5.2mA
• Low-Level Output Current: 5.2mA
• Propagation Delay Time: 15ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC109EG4 has a total of 16 pins, which are assigned specific functions:

1. CLR (Clear) - Active LOW input for clearing the flip-flop
2. CLK (Clock) - Input for clock signal
3. J (J Input) - Input for J logic level
4. K (K Input) - Input for K logic level
5. Q1 (Output Q1) - Output for Q1 logic level
6. Q1̅ (Output Q1 complement) - Complementary output for Q1 logic level
7. GND (Ground) - Ground reference
8. Q2 (Output Q2) - Output for Q2 logic level
9. Q2̅ (Output Q2 complement) - Complementary output for Q2 logic level
10. VCC (Positive Supply Voltage) - Positive supply voltage input

Functional Features

• Dual J-K flip-flop with clear functionality
• High-speed operation suitable for digital logic applications
• Clear input allows for resetting the flip-flop to a known state
• Complementary outputs provide both Q and Q̅ signals
• Wide supply voltage range enables flexibility in various systems

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient digital logic processing
• Dual flip-flop design provides flexibility in circuit implementation
• Clear functionality ensures reliable initialization of the flip-flop
• Complementary outputs enable easy integration with other logic circuits
• Wide supply voltage range accommodates different system requirements

Disadvantages

• Limited number of flip-flops per package (dual)
• Requires external clock signal for proper operation
• Not suitable for analog applications due to its digital nature

Working Principles

The CD74HC109EG4 operates based on the principles of J-K flip-flops. It utilizes the J and K inputs to control the state of the flip-flop, while the clear input allows for resetting it to a known state. The clock input triggers the flip-flop to change its state based on the J and K inputs. The complementary outputs provide both the normal and inverted versions of the flip-flop's output.

Detailed Application Field Plans

The CD74HC109EG4 is commonly used in various digital logic applications, including:

1. Counters and frequency dividers
2. Shift registers
3. Data storage and retrieval systems
4. Synchronous sequential circuits
5. Control systems

Its high-speed operation and dual flip-flop design make it suitable for applications that require efficient digital signal processing and memory storage.

Detailed and Complete Alternative Models

Some alternative models to the CD74HC109EG4 include:

1. SN74HC109N - Dual J-K Flip-Flop with Clear, 16-pin DIP package
2. MC74HC109ADR2G - Dual J-K Flip-Flop with Clear, 16-pin SOIC package
3. CD4013BE - Dual D-Type Flip-Flop, 14-pin DIP package

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

In conclusion, the CD74HC109EG4 is a high-speed dual J-K flip-flop with clear, designed for digital logic applications. Its functional features, advantages, and detailed pin configuration make it a versatile component in various digital systems.