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