CD74HCT109M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-Speed, CMOS Technology
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Dual J-K Flip-Flop with Clear and Preset
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Flip-Flops: 2
• Clock Trigger Type: Positive Edge
• Clock Enable: Yes
• Clear and Preset Inputs: Yes
• Output Type: Standard
• Propagation Delay: 15 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CD74HCT109M has a total of 16 pins. The pin configuration is as follows:

1. Clock (CLK) Input 1
2. Clock (CLK) Input 2
3. Clear (CLR) Input
4. Preset (PRE) Input
5. J-K Data Input 1
6. J-K Data Input 2
7. Output 1
8. Output 2
9. Ground (GND)
10. Output 2 Complementary
11. Output 1 Complementary
12. VCC (Positive Power Supply)
13. Set/Reset (S/R) Input
14. Enable (EN) Input
15. Clock Enable (CE) Input
16. Clock Enable (CE) Input Complementary

Functional Features

• Dual J-K flip-flop with clear and preset functionality
• Positive edge-triggered clock inputs
• Independent clock enable and set/reset inputs
• Outputs are buffered for high noise immunity
• Wide operating voltage range (2V to 6V)
• High-speed operation with low power consumption

Advantages and Disadvantages

Advantages

• Versatile flip-flop with clear and preset options
• Suitable for various digital logic applications
• High-speed operation allows for efficient data processing
• Low power consumption helps in reducing energy usage

Disadvantages

• Limited number of flip-flops (2) in a single package
• May not be suitable for complex sequential logic designs

Working Principles

The CD74HCT109M is a dual J-K flip-flop that operates on positive edge-triggered clock inputs. It has independent clear and preset inputs, allowing for flexible control over the output states. The outputs are buffered to provide high noise immunity and can drive standard logic levels.

The flip-flop stores and transfers data based on the clock input and the J-K data inputs. The clear and preset inputs allow for resetting or setting the flip-flop to specific states. The clock enable and set/reset inputs provide additional control over the flip-flop's behavior.

Detailed Application Field Plans

The CD74HCT109M is commonly used in various digital logic applications, including:

1. Counters and frequency dividers
2. Shift registers
3. Data storage and transfer systems
4. Control circuits
5. Clock synchronization circuits

Its versatility and high-speed operation make it suitable for a wide range of applications where reliable and efficient digital logic functionality is required.

Detailed and Complete Alternative Models

1. SN74HCT109 - Similar functionality, different package (DIP)
2. MC74HCT109 - Similar functionality, different manufacturer (Motorola)
3. 74HC109 - Similar functionality, CMOS technology (not HCT)

These alternative models offer similar features and can be used as replacements for the CD74HCT109M in various applications.

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