SN74F74N

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74F74N is a dual positive-edge-triggered D-type flip-flop IC. It is commonly used in digital electronics for storing and transferring binary data.

Characteristics: - Dual flip-flop package - Positive-edge-triggered operation - High-speed performance - Wide operating voltage range - Low power consumption

Package: The SN74F74N is available in a 14-pin plastic dual in-line package (DIP).

Essence: The essence of the SN74F74N lies in its ability to store and transfer binary data reliably and efficiently.

Packaging/Quantity: The SN74F74N is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay Time: 8 ns (max)
• Input Capacitance: 3 pF (typ)
• Output Current: ±6 mA (max)

Pin Configuration

The SN74F74N has a total of 14 pins, which are assigned specific functions as follows:

1. CLR (Clear) - Clear input pin
2. D1 (Data 1) - Data input for flip-flop 1
3. CLK1 (Clock 1) - Clock input for flip-flop 1
4. PR (Preset) - Preset input pin
5. Q1 (Output 1) - Output for flip-flop 1
6. Q̅1 (Complementary Output 1) - Complementary output for flip-flop 1
7. GND (Ground) - Ground reference pin
8. Q̅0 (Complementary Output 0) - Complementary output for flip-flop 0
9. Q0 (Output 0) - Output for flip-flop 0
10. CLK0 (Clock 0) - Clock input for flip-flop 0
11. D0 (Data 0) - Data input for flip-flop 0
12. SET (Set) - Set input pin
13. VCC (Supply Voltage) - Positive supply voltage pin
14. NC (No Connection) - No connection pin

Functional Features

• Dual flip-flop design allows independent operation of two separate data inputs.
• Positive-edge-triggered operation ensures reliable data transfer on clock signal rising edges.
• Clear and preset inputs provide additional control over the flip-flop states.
• Complementary outputs allow for versatile logic circuit designs.

Advantages and Disadvantages

Advantages: - High-speed performance enables efficient data processing. - Wide operating voltage range provides flexibility in various applications. - Low power consumption contributes to energy-efficient designs.

Disadvantages: - Limited number of flip-flops per IC package may restrict complex circuit implementations. - Lack of built-in protection features may require additional external circuitry for robust operation.

Working Principles

The SN74F74N operates based on the principles of positive-edge-triggered D-type flip-flops. When a rising edge is detected on the clock input, the data input is transferred to the corresponding output. The clear and preset inputs allow for specific states to be set or cleared as desired.

Detailed Application Field Plans

The SN74F74N finds applications in various digital systems, including but not limited to: - Sequential logic circuits - Data storage and transfer systems - Counters and frequency dividers - Register-based designs - Synchronous data transmission systems

Detailed and Complete Alternative Models

• SN74F74D: Similar to SN74F74N, but available in a smaller SOIC package.
• CD4013B: Dual D-type flip-flop IC with complementary outputs and additional features.
• MC14013B: Dual type-D flip-flop IC with complementary outputs and Schmitt trigger inputs.

These alternative models offer similar functionality to the SN74F74N and can be considered as replacements depending on specific requirements.

In conclusion, the SN74F74N is a dual positive-edge-triggered D-type flip-flop IC that provides reliable data storage and transfer capabilities. Its high-speed performance, wide operating voltage range, and low power consumption make it suitable for various digital applications.