SN74AS821ADWRG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Gates
• Characteristics: High-Speed, Low-Power, 8-Bit D-Type Flip-Flop
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This integrated circuit is a high-speed, low-power 8-bit D-type flip-flop. It is commonly used in digital logic circuits to store and manipulate binary data.
• Packaging/Quantity: The SN74AS821ADWRG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Logic Family: AS (Advanced Schottky)
• Number of Flip-Flops: 8
• Input Type: Complementary Metal-Oxide-Semiconductor (CMOS)
• Output Type: Tri-State
• Propagation Delay: 9 ns (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AS821ADWRG4 has a total of 20 pins. Here is the detailed pin configuration:

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

Functional Features

• High-speed operation allows for efficient data processing.
• Low-power consumption makes it suitable for battery-powered devices.
• The 8-bit D-type flip-flop design enables storage and manipulation of binary data.
• Tri-state output allows multiple devices to share a common bus.

Advantages and Disadvantages

Advantages: - High-speed operation improves overall system performance. - Low-power consumption extends battery life in portable devices. - Compact SOIC package saves board space. - Tri-state output enables efficient bus sharing.

Disadvantages: - Limited number of flip-flops may not be sufficient for complex applications. - Operating temperature range may not be suitable for extreme environments. - CMOS input type may require additional level shifting circuitry in certain applications.

Working Principles

The SN74AS821ADWRG4 operates based on the principles of digital logic. It uses D-type flip-flops to store and manipulate binary data. The inputs (D0-D7) are used to set the desired data values, which are then latched and stored in the flip-flops. The outputs (Q0-Q7) reflect the stored data. The CLR input allows for clearing the flip-flop contents, while the OE input enables or disables the output.

Detailed Application Field Plans

The SN74AS821ADWRG4 can be used in various applications, including:

1. Microprocessors and microcontrollers
2. Data storage systems
3. Communication devices
4. Digital signal processing
5. Industrial control systems
6. Automotive electronics
7. Consumer electronics

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality:

1. SN74LS821 - Low-Power Schottky version with similar specifications.
2. SN