Texas Instruments
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SN74ALS109ADG4
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SN74ALS109ADG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: Dual J-K Positive-Edge-Triggered Flip-Flop
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: High-speed, low-power flip-flop
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 8ns (typical)
  • Output Current: ±24mA
  • Logic Family: ALS (Advanced Low-Power Schottky)

Detailed Pin Configuration

The SN74ALS109ADG4 has a total of 16 pins, which are assigned as follows:

  1. CLR (Clear) - Clear input
  2. CP (Clock Pulse) - Clock input
  3. J (J Input) - J input for the first flip-flop
  4. K (K Input) - K input for the first flip-flop
  5. Q (Q Output) - Q output for the first flip-flop
  6. Q̅ (Q̅ Output) - Complementary Q output for the first flip-flop
  7. GND (Ground) - Ground reference
  8. Q̅ (Q̅ Output) - Complementary Q output for the second flip-flop
  9. Q (Q Output) - Q output for the second flip-flop
  10. K (K Input) - K input for the second flip-flop
  11. J (J Input) - J input for the second flip-flop
  12. CP (Clock Pulse) - Clock input
  13. CLR (Clear) - Clear input
  14. VCC (Positive Power Supply) - Positive power supply
  15. Q̅ (Q̅ Output) - Complementary Q output for the second flip-flop
  16. Q (Q Output) - Q output for the second flip-flop

Functional Features

  • Dual J-K positive-edge-triggered flip-flop with clear functionality
  • High-speed operation suitable for time-critical applications
  • Low-power consumption for energy-efficient designs
  • Wide operating voltage range for flexibility in various systems
  • Schmitt-trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low-power consumption reduces energy requirements - Clear functionality enables easy reset of flip-flop states - Wide operating voltage range provides compatibility with different systems - Schmitt-trigger inputs enhance noise immunity, ensuring reliable operation

Disadvantages: - Limited to positive-edge triggering, may not be suitable for all applications requiring different trigger types - Restricted to digital logic applications, not applicable for analog circuits

Working Principles

The SN74ALS109ADG4 is a dual J-K positive-edge-triggered flip-flop. It operates based on the J-K flip-flop concept, where the outputs change state based on the clock signal and the values of the J and K inputs. The clear input allows for resetting the flip-flop to a known state.

Detailed Application Field Plans

The SN74ALS109ADG4 is commonly used in various digital logic applications, including but not limited to: - Sequential logic circuits - Counters and registers - Data storage and retrieval systems - Synchronous data transfer systems - Microprocessor-based systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN74ALS109ADG4 are: - SN74LS109A - SN74HC109 - SN74HCT109 - CD40109B - MC14069UB

These models offer similar functionality and characteristics, providing options for different design requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74ALS109ADG4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74ALS109ADG4 in technical solutions:

  1. Q: What is SN74ALS109ADG4? A: SN74ALS109ADG4 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 SN74ALS109ADG4? A: The operating voltage range for SN74ALS109ADG4 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum clock frequency supported by SN74ALS109ADG4? A: SN74ALS109ADG4 can support clock frequencies up to 100 MHz.

  4. Q: How many flip-flops are there in SN74ALS109ADG4? A: SN74ALS109ADG4 consists of two independent J-K flip-flops.

  5. Q: What is the purpose of the J and K inputs in SN74ALS109ADG4? 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 SN74ALS109ADG4 be used in synchronous or asynchronous mode? A: SN74ALS109ADG4 can be used in both synchronous and asynchronous modes, depending on the application requirements.

  7. Q: What is the typical propagation delay of SN74ALS109ADG4? A: The typical propagation delay of SN74ALS109ADG4 is around 12 ns.

  8. Q: Does SN74ALS109ADG4 have any built-in preset or clear functionality? A: No, SN74ALS109ADG4 does not have any built-in preset or clear functionality.

  9. Q: Can SN74ALS109ADG4 be cascaded to create larger counters or registers? A: Yes, SN74ALS109ADG4 can be cascaded with other flip-flops to create larger counters or registers.

  10. Q: What are some common applications of SN74ALS109ADG4? A: SN74ALS109ADG4 is commonly used in applications such as frequency dividers, shift registers, counters, and general-purpose digital logic circuits.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.