CD74ACT109M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual JK Positive Edge-Triggered Flip-Flop
• Package: SOIC-16
• Essence: The CD74ACT109M is a dual JK positive edge-triggered flip-flop IC that can store and manipulate digital information.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Logic Family: ACT
• Number of Flip-Flops: 2
• Trigger Type: Positive Edge
• Clock Frequency: Up to 100MHz
• Propagation Delay: 6ns
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CD74ACT109M has a total of 16 pins, which are assigned specific functions as follows:

1. CLR (Clear) - Clear Input
2. CLK (Clock) - Clock Input
3. J (J Input) - Data Input for Flip-Flop A
4. K (K Input) - Data Input for Flip-Flop A
5. Q (Q Output) - Output for Flip-Flop A
6. Q̅ (Q̅ Output) - Complementary Output for Flip-Flop A
7. GND (Ground) - Ground Reference
8. Q̅ (Q̅ Output) - Complementary Output for Flip-Flop B
9. Q (Q Output) - Output for Flip-Flop B
10. K (K Input) - Data Input for Flip-Flop B
11. J (J Input) - Data Input for Flip-Flop B
12. VCC (Positive Supply Voltage) - Power Supply
13. D (Data) - Data Input for Both Flip-Flops
14. CP (Clock Pulse) - Clock Input for Both Flip-Flops
15. Q̅ (Q̅ Output) - Complementary Output for Both Flip-Flops
16. Q (Q Output) - Output for Both Flip-Flops

Functional Features

• Dual JK positive edge-triggered flip-flop with independent J, K, clock, and clear inputs.
• Can store one bit of digital information in each flip-flop.
• Positive edge-triggered design ensures reliable and synchronized data storage.
• Clear input allows for resetting the flip-flops to a known state.
• High-speed operation with a clock frequency of up to 100MHz.
• Low propagation delay of 6ns ensures quick response times.

Advantages and Disadvantages

Advantages: - Dual flip-flop configuration provides flexibility in digital circuit designs. - Positive edge-triggered design eliminates potential timing issues. - Wide operating temperature range allows for use in various environments. - Low power consumption due to ACT logic family.

Disadvantages: - Limited number of flip-flops per IC may restrict complex circuit designs. - Requires external components for complete functionality. - Sensitive to voltage fluctuations outside the specified range.

Working Principles

The CD74ACT109M operates based on the principles of positive edge-triggered flip-flops. When a rising edge is detected on the clock input (CP), the data present at the J and K inputs is transferred to the respective flip-flops. The stored data can then be accessed through the Q and Q̅ outputs. The clear input (CLR) allows for resetting the flip-flops to a known state.

Detailed Application Field Plans

The CD74ACT109M is commonly used in various digital logic applications, including:

1. Sequential Logic Circuits: Used to store and manipulate digital information in sequential circuits such as counters, shift registers, and memory units.
2. Synchronous Systems: Enables synchronization of data transfers between different components in a system.
3. Control Systems: Used to control the timing and sequencing of operations in complex systems.
4. Data Storage: Can be used as temporary storage for data during processing or as part of larger memory systems.

Detailed and Complete Alternative Models

1. SN74ACT109: Similar dual JK positive edge-triggered flip-flop IC from Texas Instruments.
2. MC74ACT109: Dual JK positive edge-triggered flip-flop IC from ON Semiconductor.
3. CD40109B: Quad JK positive edge-triggered flip-flop IC from Texas Instruments.

These alternative models offer similar functionality and can be considered as substitutes for the CD74ACT109M depending on specific requirements.

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