SN74HC74PW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, dual D-type flip-flop with set and reset
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Reliable and efficient digital logic component
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 85 MHz
• Propagation Delay Time: 9 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74HC74PW has a total of 14 pins, which are assigned as follows:

1. CLR (Clear) - Clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. PR (Preset) - Preset input
5. Q (Output) - Output
6. Q̅ (Complementary Output) - Complementary output
7. GND (Ground) - Ground reference
8. Q̅ (Complementary Output) - Complementary output
9. Q (Output) - Output
10. VCC (Positive Power Supply) - Positive power supply
11. D (Data) - Data input
12. CLK (Clock) - Clock input
13. PR (Preset) - Preset input
14. CLR (Clear) - Clear input

Functional Features

The SN74HC74PW is a high-speed, dual D-type flip-flop with set and reset functionality. It is designed to store and manipulate digital information in electronic circuits. The flip-flop can be triggered by the rising or falling edge of the clock signal, allowing for synchronized data storage and retrieval. The set and reset inputs provide additional control over the state of the flip-flop.

Advantages and Disadvantages

Advantages: - High-speed operation - Dual flip-flop design for increased functionality - Set and reset inputs for flexible control - Wide supply voltage range for compatibility - Small package size for space-constrained applications

Disadvantages: - Limited maximum operating frequency compared to some alternative models - Not suitable for applications requiring very low power consumption

Working Principles

The SN74HC74PW operates based on the principles of digital logic. The flip-flop stores a single bit of information, which can be either a logical 0 or a logical 1. The clock input determines when the flip-flop samples the data input and updates its stored value. The set and reset inputs allow for forced changes to the stored value, overriding the normal clock-driven behavior.

Detailed Application Field Plans

The SN74HC74PW is widely used in various digital systems and applications, including:

1. Microprocessors and microcontrollers
2. Communication systems
3. Data storage devices
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74HC74N: DIP (Dual In-line Package) version of the SN74HC74PW
2. MC74HC74A: Alternative manufacturer's version with similar specifications
3. CD74HC74E: Economy version with lower cost but slightly reduced performance

These alternative models offer similar functionality and can be used as substitutes for the SN74HC74PW depending on specific requirements and availability.

In conclusion, the SN74HC74PW is a high-speed, dual D-type flip-flop IC that offers reliable and efficient digital logic functionality. Its small package size, wide supply voltage range, and set/reset inputs make it suitable for various applications in different industries. While it may have limitations in terms of maximum operating frequency and power consumption, there are alternative models available to meet specific needs.