Encyclopedia Entry: 74F676PC

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-speed, octal D-type flip-flop with common clock and reset
• Package: Plastic Dual In-Line Package (PDIP)
• Essence: Flip-flops are fundamental building blocks in digital circuits, used for storing and transferring binary data.
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units.

Specifications

• Logic Family: 74F
• Number of Flip-Flops: 8 (octal)
• Clock Type: Common Clock
• Reset Type: Asynchronous Reset
• Operating Voltage: 5V
• Propagation Delay: 6 ns (typical)
• Input/Output Compatibility: TTL-compatible

Detailed Pin Configuration

The 74F676PC has a total of 20 pins. The pin configuration is as follows:

1. D0 (Data Input 0)
2. D1 (Data Input 1)
3. D2 (Data Input 2)
4. D3 (Data Input 3)
5. D4 (Data Input 4)
6. D5 (Data Input 5)
7. D6 (Data Input 6)
8. D7 (Data Input 7)
9. GND (Ground)
10. Q0 (Flip-Flop Output 0)
11. Q1 (Flip-Flop Output 1)
12. Q2 (Flip-Flop Output 2)
13. Q3 (Flip-Flop Output 3)
14. Q4 (Flip-Flop Output 4)
15. Q5 (Flip-Flop Output 5)
16. Q6 (Flip-Flop Output 6)
17. Q7 (Flip-Flop Output 7)
18. MR (Master Reset)
19. CLK (Clock Input)
20. VCC (Power Supply)

Functional Features

• Octal D-type flip-flop with common clock and reset functionality.
• Each flip-flop can store a single bit of binary data.
• Data is transferred to the outputs on the rising edge of the clock signal.
• Asynchronous master reset allows for clearing all flip-flops simultaneously.

Advantages and Disadvantages

Advantages: - High-speed operation suitable for time-critical applications. - TTL-compatible inputs and outputs ensure compatibility with other digital logic devices. - Asynchronous reset feature provides flexibility in system design.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications. - Power consumption may be relatively high compared to newer, low-power ICs.

Working Principles

The 74F676PC operates based on the principles of sequential logic. It consists of eight individual D-type flip-flops that share a common clock and reset signal. The flip-flops store binary data and transfer it to the outputs upon receiving a clock pulse. The asynchronous master reset allows for clearing all flip-flops simultaneously, regardless of the clock signal.

Detailed Application Field Plans

The 74F676PC is commonly used in various digital systems and applications, including:

1. Microprocessor-based systems
2. Data storage and retrieval systems
3. Communication equipment
4. Industrial control systems
5. Test and measurement instruments

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74F676PC include:

1. 74LS676: Low-power version of the octal D-type flip-flop.
2. 74HC676: High-speed CMOS version with TTL-compatible inputs and outputs.
3. 74ACT676: Advanced CMOS version with improved speed and lower power consumption.

These alternative models can be considered based on specific application requirements and design constraints.

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