Encyclopedia Entry: 74VHC112M

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Gate
• Characteristics: High-Speed, Low-Power Consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Dual J-K Flip-Flop with Clear
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The 74VHC112M is a dual J-K flip-flop with clear, belonging to the category of integrated circuits. It is primarily used as a digital logic gate in various electronic applications. The IC operates at high speed while consuming low power, making it suitable for power-sensitive devices.

Detailed Pin Configuration

The 74VHC112M has a total of 16 pins, which are arranged as follows:

1. Pin 1: Clear (CLR) - Active LOW input for clearing the flip-flop outputs.
2. Pin 2: Clock (CLK) - Input for clock signal that triggers the flip-flop.
3. Pin 3: J1 - Input for J1 data.
4. Pin 4: K1 - Input for K1 data.
5. Pin 5: Q1 - Output for Q1 data.
6. Pin 6: Q̅1 - Complementary output for Q1 data.
7. Pin 7: GND - Ground reference.
8. Pin 8: Q̅2 - Complementary output for Q2 data.
9. Pin 9: Q2 - Output for Q2 data.
10. Pin 10: K2 - Input for K2 data.
11. Pin 11: J2 - Input for J2 data.
12. Pin 12: Clock Enable (CE) - Active HIGH input for enabling the clock.
13. Pin 13: Data Enable (DE) - Active HIGH input for enabling the data inputs.
14. Pin 14: Set (SET) - Active LOW input for setting the flip-flop outputs.
15. Pin 15: VCC - Positive power supply.
16. Pin 16: NC - No connection.

Functional Features

The 74VHC112M offers several functional features that enhance its usability in digital logic circuits:

• Dual J-K Flip-Flop: The IC consists of two independent J-K flip-flops, allowing for simultaneous operation and control of two separate data streams.
• Clear and Set Inputs: The presence of clear and set inputs enables the user to reset or set the flip-flop outputs as desired.
• Clock and Data Enable Inputs: The clock and data enable inputs provide flexibility in controlling the timing and activation of the flip-flop.
• Complementary Outputs: The IC provides complementary outputs (Q̅1 and Q̅2) alongside the primary outputs (Q1 and Q2), allowing for versatile signal manipulation.

Advantages and Disadvantages

Advantages: - High-Speed Operation: The 74VHC112M operates at high speed, making it suitable for time-critical applications. - Low Power Consumption: The IC consumes low power, contributing to energy-efficient designs. - Compact Package: The SOIC package ensures a compact form factor, facilitating space-constrained designs.

Disadvantages: - Limited Output Current: The IC has a limited output current capability, which may restrict its use in certain high-current applications. - Sensitivity to Noise: As with most digital logic gates, the 74VHC112M is susceptible to noise interference, requiring proper noise mitigation techniques.

Working Principles

The 74VHC112M functions based on the principles of J-K flip-flops. It stores and manipulates binary data using the J (data) and K (complement data) inputs, clock signal, and control inputs. The flip-flop outputs change state based on the clock transitions and the input data conditions.

Detailed Application Field Plans

The 74VHC112M finds applications in various fields, including:

1. Digital Electronics: The IC is widely used in digital systems for sequential logic operations, such as counters, registers, and state machines.
2. Communication Systems: It plays a crucial role in communication systems for data synchronization, buffering, and signal processing.
3. Microcontrollers and Microprocessors: The IC assists in controlling and managing data flow within microcontroller and microprocessor-based systems.
4. Industrial Automation: It contributes to automation systems by providing reliable storage and manipulation of control signals.

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74VHC112M. Some notable alternatives include:

1. SN74LS112N: Dual J-K Flip-Flop with Clear, offered by Texas Instruments.
2. CD4013BE: Dual D-Type Flip-Flop, provided by Texas Instruments.
3. MC14013B