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SN74ALS109ADR

SN74ALS109ADR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: Dual J-K Positive-Edge-Triggered Flip-Flop
  • Package: SOIC-16
  • Essence: The SN74ALS109ADR is a dual J-K positive-edge-triggered flip-flop IC that can store and transfer binary data. It is commonly used in digital systems for various applications.
  • Packaging/Quantity: The SN74ALS109ADR is available in a standard SOIC-16 package and is typically sold in reels or tubes containing multiple units.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Logic Family: ALS
  • Number of Flip-Flops: 2
  • Trigger Type: Positive Edge
  • Clock Frequency: Up to 100MHz
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 10ns (typical)

Detailed Pin Configuration

The SN74ALS109ADR has a total of 16 pins, which are assigned specific functions as follows:

  1. CLR (Clear) - Active Low Clear Input
  2. CLK (Clock) - Positive Edge-Triggered Clock Input
  3. J1 (J1 Input) - J Input for Flip-Flop 1
  4. K1 (K1 Input) - K Input for Flip-Flop 1
  5. Q1 (Q1 Output) - Q Output for Flip-Flop 1
  6. Q̅1 (Q̅1 Output) - Complementary Q Output for Flip-Flop 1
  7. GND (Ground) - Ground Reference
  8. Q̅2 (Q̅2 Output) - Complementary Q Output for Flip-Flop 2
  9. Q2 (Q2 Output) - Q Output for Flip-Flop 2
  10. K2 (K2 Input) - K Input for Flip-Flop 2
  11. J2 (J2 Input) - J Input for Flip-Flop 2
  12. PRE (Preset) - Active Low Preset Input
  13. PR̅E (Preset Complement) - Complementary Preset Input
  14. VCC (Supply Voltage) - Positive Power Supply
  15. GND (Ground) - Ground Reference
  16. CLR̅ (Clear Complement) - Complementary Clear Input

Functional Features

  • Dual J-K flip-flops with individual clear and preset inputs.
  • Positive-edge-triggered operation allows data to be stored and transferred on the rising edge of the clock signal.
  • The clear and preset inputs provide control over the initial state of the flip-flops.
  • Complementary outputs (Q and Q̅) are available for each flip-flop.

Advantages and Disadvantages

Advantages: - Dual flip-flop configuration provides flexibility in digital circuit design. - Positive-edge-triggered operation ensures reliable data storage and transfer. - Clear and preset inputs allow for easy initialization of the flip-flops. - Complementary outputs facilitate various logic operations.

Disadvantages: - Limited number of flip-flops per IC package. - Requires an external clock signal for proper operation. - May not be suitable for applications requiring high-speed operation beyond its specified frequency range.

Working Principles

The SN74ALS109ADR operates based on the principles of J-K flip-flops. Each flip-flop has two inputs, J and K, which control the state of the flip-flop. The positive-edge-triggered clock input (CLK) determines when the data is stored or transferred.

When the clock signal transitions from low to high (rising edge), the J-K flip-flops latch the data present at their inputs. The stored data is then available at the respective Q and Q̅ outputs. The clear (CLR) and preset (PRE) inputs allow for initialization of the flip-flop states.

Detailed Application Field Plans

The SN74ALS109ADR can be used in various digital logic applications, including but not limited to:

  1. Sequential logic circuits
  2. State machines
  3. Counters and dividers
  4. Data storage and transfer systems
  5. Synchronous digital systems

Its dual flip-flop configuration and versatile functionality make it suitable for a wide range of applications that require reliable data storage and transfer with control over initial states.

Detailed and Complete Alternative Models

  • SN74ALS109AN
  • SN74ALS109AD
  • SN74ALS109ADE4
  • SN74ALS109ADRQ1
  • SN74ALS109AFN

These alternative models offer similar functionality and characteristics to the SN74ALS109ADR, providing options for different package types or specific requirements.

(Note: The list of alternative models may

Énumérez 10 questions et réponses courantes liées à l'application de SN74ALS109ADR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74ALS109ADR in technical solutions:

  1. Q: What is SN74ALS109ADR? A: SN74ALS109ADR is a dual J-K flip-flop integrated circuit (IC) that can be used in various digital applications.

  2. Q: What is the operating voltage range for SN74ALS109ADR? A: The operating voltage range for SN74ALS109ADR is typically between 4.5V and 5.5V.

  3. Q: What is the maximum clock frequency supported by SN74ALS109ADR? A: SN74ALS109ADR can support clock frequencies up to 25 MHz.

  4. Q: How many flip-flops are there in SN74ALS109ADR? A: SN74ALS109ADR contains two independent J-K flip-flops.

  5. Q: What is the purpose of the J and K inputs in SN74ALS109ADR? A: The J and K inputs are used to control the state of the flip-flops and determine the output based on the clock signal.

  6. Q: Can SN74ALS109ADR be used in synchronous or asynchronous mode? A: Yes, SN74ALS109ADR can be used in both synchronous and asynchronous modes of operation.

  7. Q: What is the typical propagation delay of SN74ALS109ADR? A: The typical propagation delay of SN74ALS109ADR is around 12 ns.

  8. Q: What is the output drive capability of SN74ALS109ADR? A: SN74ALS109ADR has a standard output drive capability of 8 mA.

  9. Q: Can SN74ALS109ADR be cascaded to create larger counters or registers? A: Yes, SN74ALS109ADR can be cascaded to create larger counters or registers by connecting the outputs of one flip-flop to the inputs of another.

  10. Q: What are some typical applications of SN74ALS109ADR? A: SN74ALS109ADR is commonly used in applications such as frequency dividers, counters, shift registers, and general-purpose digital logic circuits.

Please note that these answers are general and may vary depending on specific design considerations and requirements.