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CD74HCT109E

CD74HCT109E

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: High-Speed CMOS, Dual J-K Flip-Flop with Set and Reset
  • Package: 16-Pin DIP (Dual In-Line Package)
  • Essence: The CD74HCT109E is a dual J-K flip-flop with set and reset capabilities. It operates at high-speed using CMOS technology.
  • Packaging/Quantity: Available in tubes or reels, with quantities varying based on manufacturer specifications.

Specifications

  • Supply Voltage: 2V to 6V
  • Logic Family: HCT
  • Number of Pins: 16
  • Operating Temperature Range: -55°C to +125°C
  • Propagation Delay: 13 ns (typical)
  • Output Current: ±4 mA
  • Input Capacitance: 3.5 pF (typical)

Pin Configuration

The CD74HCT109E has 16 pins arranged as follows:

__ __ Q1 -| 1 16 |- Vcc Q2 -| 2 15 |- Q0 CP -| 3 14 |- MR D1 -| 4 13 |- PR D2 -| 5 12 |- CLR GND -| 6 11 |- CLK J1 -| 7 10 |- K1 J2 -| 8 9 |- K2 --------

Functional Features

  • Dual J-K flip-flops with independent set and reset inputs.
  • High-speed operation suitable for various digital logic applications.
  • Wide operating voltage range allows compatibility with different systems.
  • CMOS technology provides low power consumption and high noise immunity.
  • Output state can be asynchronously reset or set using the MR (Master Reset) and PR (Preset) inputs.

Advantages

  • Versatile functionality with dual flip-flops and set/reset capabilities.
  • High-speed operation enables efficient processing of digital signals.
  • Wide operating voltage range allows compatibility with different systems.
  • CMOS technology ensures low power consumption and high noise immunity.

Disadvantages

  • Limited number of flip-flops in a single package.
  • Propagation delay may affect timing-sensitive applications.
  • Requires careful consideration of input and output voltage levels to prevent damage.

Working Principles

The CD74HCT109E operates based on the principles of J-K flip-flops. It consists of two independent flip-flops, each capable of storing one bit of information. The J and K inputs determine the behavior of the flip-flop, while the clock input synchronizes the internal operations.

When the clock signal transitions from low to high, the current state of the J and K inputs is captured and stored in the flip-flop. The outputs reflect the stored values until the next clock transition occurs. The set (MR) and reset (PR) inputs allow for asynchronous control of the flip-flop's state.

Detailed Application Field Plans

The CD74HCT109E is commonly used in various digital logic applications, including:

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

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

Detailed and Complete Alternative Models

  1. SN74HCT109 - Similar dual J-K flip-flop with set and reset capabilities, offered by Texas Instruments.
  2. MC74HCT109 - Dual J-K flip-flop with set and reset inputs, manufactured by ON Semiconductor.
  3. CD40109B - Quad J-K flip-flop with set and reset, available from Texas Instruments.

These alternative models provide similar functionality to the CD74HCT109E and can be considered as alternatives based on specific requirements and availability.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan CD74HCT109E dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of CD74HCT109E in technical solutions:

  1. Q: What is CD74HCT109E? A: CD74HCT109E is a dual J-K flip-flop integrated circuit (IC) that can be used in various digital applications.

  2. Q: What is the purpose of CD74HCT109E? A: CD74HCT109E is primarily used for storing and manipulating binary data in digital circuits.

  3. Q: What is the voltage range supported by CD74HCT109E? A: CD74HCT109E supports a voltage range of 2V to 6V, making it compatible with both TTL and CMOS logic levels.

  4. Q: How many flip-flops are there in CD74HCT109E? A: CD74HCT109E consists of two independent J-K flip-flops, which can operate separately or together.

  5. Q: What is the maximum clock frequency supported by CD74HCT109E? A: CD74HCT109E can operate at a maximum clock frequency of 25 MHz, allowing for high-speed data processing.

  6. Q: Can CD74HCT109E be used in synchronous or asynchronous mode? A: Yes, CD74HCT109E can be used in both synchronous and asynchronous modes, depending on the application requirements.

  7. Q: What is the power supply requirement for CD74HCT109E? A: CD74HCT109E requires a single power supply voltage of 5V, making it easy to integrate into existing systems.

  8. Q: Does CD74HCT109E have any built-in protection features? A: Yes, CD74HCT109E has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.

  9. Q: Can CD74HCT109E be cascaded to create larger counters or registers? A: Yes, CD74HCT109E can be cascaded with other flip-flops to create larger counters or registers for more complex applications.

  10. Q: What are some typical applications of CD74HCT109E? A: CD74HCT109E is commonly used in digital clocks, frequency dividers, shift registers, and other sequential logic circuits.

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