74FCT521ATQG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Sequential logic device
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.5ns (typical)
• Output Current: ±24mA
• Logic Family: FCT

Detailed Pin Configuration

The 74FCT521ATQG IC has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• The 74FCT521ATQG is an 8-bit flip-flop with a clock input and output enable.
• It can store and transfer data in sequential order based on the clock signal.
• The output enable pin allows for controlling the output state of the flip-flops.
• High-speed operation enables efficient data processing.
• Low-power consumption makes it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer. - Low-power consumption extends battery life in portable devices. - Compact TSSOP package saves board space. - Wide operating temperature range enables usage in various environments.

Disadvantages: - Limited number of flip-flops (8-bit) compared to other ICs. - Not suitable for applications requiring a large number of storage elements.

Working Principles

The 74FCT521ATQG operates based on the principles of sequential logic. When the clock input receives a rising edge, the data present at the input pins (D0-D7) is transferred to the corresponding flip-flop outputs (Q0-Q7). The output enable pin (OE) controls whether the flip-flop outputs are active or in a high-impedance state. This IC utilizes advanced semiconductor technology to achieve high-speed operation and low-power consumption.

Detailed Application Field Plans

The 74FCT521ATQG is commonly used in various digital systems where sequential data storage and transfer are required. Some application fields include: - Microprocessors and microcontrollers - Data communication systems - Memory modules - Industrial automation - Test and measurement equipment

Detailed and Complete Alternative Models

• 74FCT521BTPY: 20-pin TSSOP package, similar specifications
• SN74FCT521ADW: 20-pin SOIC (Small Outline Integrated Circuit) package, similar specifications
• CD74FCT521M: 20-pin SOIC package, similar specifications

These alternative models provide similar functionality and can be used as replacements for the 74FCT521ATQG in various applications.

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