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CD74HC73E

CD74HC73E

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Gate
  • Characteristics: High-Speed, CMOS Technology
  • Package: DIP (Dual In-line Package)
  • Essence: Dual JK Flip-Flop
  • Packaging/Quantity: Tube, 25 pieces per tube

Specifications

  • Supply Voltage: 2V to 6V
  • Logic Family: HC
  • Number of Pins: 14
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 9 ns (typical)
  • Output Current: ±4 mA
  • Input Capacitance: 3.5 pF (typical)

Detailed Pin Configuration

  1. CLR (Clear) - Active Low 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. CLK (Clock) - Clock Input
  13. CLR (Clear) - Active Low Clear Input
  14. VCC (Supply Voltage) - Positive Supply Voltage

Functional Features

The CD74HC73E is a dual JK flip-flop integrated circuit that operates on CMOS technology. It is designed to provide high-speed logic functions with low power consumption. The flip-flops can be clocked individually or simultaneously, allowing for flexible operation.

The device features a clear input (CLR) that resets both flip-flops when activated. It also has separate J and K inputs for each flip-flop, enabling data input and manipulation. The outputs (Q and Q̅) are complementary, providing the logical state of the flip-flops.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Versatile clocking options - Clear input for easy reset - Complementary outputs for convenient logic analysis

Disadvantages: - Limited number of flip-flops (dual) - Requires external components for complete functionality

Working Principles

The CD74HC73E operates based on the JK flip-flop principle. Each flip-flop consists of two inputs (J and K), a clock input (CLK), and two outputs (Q and Q̅). The J and K inputs determine the behavior of the flip-flop based on the clock signal.

When the clock signal transitions from low to high, the state of the flip-flop is determined by the J and K inputs. If J and K are both low, the flip-flop remains in its current state. If J is high and K is low, the flip-flop sets to a high state. Conversely, if J is low and K is high, the flip-flop resets to a low state. When both J and K are high, the flip-flop toggles between its states on each clock transition.

The clear input (CLR) allows for resetting both flip-flops to a known state when activated. This feature is useful for initialization or error recovery.

Detailed Application Field Plans

The CD74HC73E is widely used in various digital systems and applications, including:

  1. Counters and Registers: The flip-flops can be utilized to build synchronous counters and shift registers for data storage and manipulation.
  2. State Machines: The device is suitable for designing state machines that require memory elements to store and transition between different states.
  3. Control Systems: It can be employed in control systems to synchronize and control the timing of various operations.
  4. Data Storage: The flip-flops are useful for temporary data storage in microprocessors and other digital circuits.

Detailed and Complete Alternative Models

  1. SN74HC73N: Similar dual JK flip-flop IC with DIP package
  2. CD4013BE: Dual D-type flip-flop IC with complementary outputs
  3. MC14013B: Dual type JK flip-flop IC with Schmitt-trigger inputs

These alternative models provide similar functionality and can be used as substitutes for the CD74HC73E in various applications.

In conclusion, the CD74HC73E is a versatile dual JK flip-flop integrated circuit that operates on CMOS technology. It offers high-speed operation

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق CD74HC73E في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of CD74HC73E in technical solutions:

  1. Q: What is CD74HC73E? A: CD74HC73E is a dual J-K flip-flop integrated circuit that can be used in various digital applications.

  2. Q: What is the operating voltage range for CD74HC73E? A: The operating voltage range for CD74HC73E is typically between 2V and 6V.

  3. Q: What is the maximum clock frequency supported by CD74HC73E? A: CD74HC73E can support clock frequencies up to 25 MHz.

  4. Q: How many flip-flops are there in CD74HC73E? A: CD74HC73E contains two independent J-K flip-flops.

  5. Q: What is the output drive capability of CD74HC73E? A: CD74HC73E has a standard output drive capability of 4 mA.

  6. Q: Can CD74HC73E be used in both synchronous and asynchronous applications? A: Yes, CD74HC73E can be used in both synchronous and asynchronous applications.

  7. Q: What is the power dissipation of CD74HC73E? A: The power dissipation of CD74HC73E is typically around 20 mW.

  8. Q: Does CD74HC73E have any built-in protection features? A: CD74HC73E does not have any built-in protection features, so external measures may be required.

  9. Q: What is the typical propagation delay of CD74HC73E? A: The typical propagation delay of CD74HC73E is around 15 ns.

  10. Q: Can CD74HC73E be used in high-speed applications? A: Yes, CD74HC73E can be used in high-speed applications due to its fast propagation delay and clock frequency support.

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