Encyclopedia Entry: 74AC109MTC

Product Overview

Category

The 74AC109MTC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for various applications, including data storage and signal processing.

Characteristics

• The 74AC109MTC is a dual positive-edge-triggered JK flip-flop.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers high-speed performance with low power consumption.
• It has a compact size and is designed for surface mount technology (SMT) applications.

Package and Quantity

The 74AC109MTC is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Essence

The essence of the 74AC109MTC lies in its ability to store and manipulate binary information using JK flip-flops.

Packaging/Quantity

The 74AC109MTC is packaged in tape and reel format, suitable for automated assembly processes. Each reel typically contains 2500 units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100 MHz
• Propagation Delay Time: 4 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AC109MTC 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 pin
8. Q2 (Output 2) - Output 2 pin
9. Q2̅ (Complementary Output 2) - Complementary output 2 pin
10. VCC (Positive Power Supply) - Positive power supply pin
11. PRE (Preset) - Preset input pin
12. PR̅E (Complementary Preset) - Complementary preset input pin
13. Q3 (Output 3) - Output 3 pin
14. Q3̅ (Complementary Output 3) - Complementary output 3 pin
15. Q4 (Output 4) - Output 4 pin
16. Q4̅ (Complementary Output 4) - Complementary output 4 pin

Functional Features

The 74AC109MTC offers the following functional features:

• Dual positive-edge-triggered JK flip-flops with clear and preset inputs.
• High-speed operation allows for efficient data storage and manipulation.
• The clear input allows for resetting the flip-flop to a known state.
• The preset input enables setting the flip-flop to a specific state.
• Complementary outputs provide both inverted and non-inverted signals.

Advantages and Disadvantages

Advantages

• High-speed performance allows for rapid data processing.
• Wide voltage range compatibility enhances versatility in various applications.
• Low power consumption contributes to energy efficiency.
• Compact size and surface mount package facilitate space-saving designs.

Disadvantages

• Limited number of flip-flops per IC may restrict certain complex applications.
• Sensitivity to voltage fluctuations may require additional voltage regulation circuitry.

Working Principles

The 74AC109MTC operates based on the principles of JK flip-flops. It stores and manipulates binary information using positive-edge-triggered logic. The clock input triggers the flip-flop to capture and store the J and K inputs, which determine the output state. The clear and preset inputs allow for resetting or setting the flip-flop to specific states, respectively.

Detailed Application Field Plans

The 74AC109MTC finds application in various digital electronic systems, including but not limited to:

1. Data storage systems
2. Counters and frequency dividers
3. Address decoding circuits
4. State machines and sequencers
5. Control and timing circuits

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74AC109MTC. Some notable alternatives include:

1. 74HC109: A CMOS version with a wider supply voltage range.
2. CD4013: Dual D-type flip-flop IC with complementary outputs.
3. SN74LS109