74LVC821ABQ,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage CMOS, 8-bit D-type flip-flop with 3-state outputs
• Package: TSSOP-20
• Essence: This IC is designed to shift logic levels between different voltage domains in electronic circuits.
• Packaging/Quantity: The 74LVC821ABQ,118 is typically sold in reels of 2,500 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.3V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz
• Propagation Delay: 3.6ns (typical)

Detailed Pin Configuration

The 74LVC821ABQ,118 has a total of 20 pins. Here is the detailed pin configuration:

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

Functional Features

• Logic Level Shifting: The 74LVC821ABQ,118 can shift logic levels between different voltage domains, allowing compatibility between devices operating at different voltage levels.
• 3-State Outputs: The IC features 3-state outputs, which means the outputs can be in a high-impedance state when not actively driving a signal.
• D-Type Flip-Flop: Each flip-flop within the IC is capable of storing one bit of data.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for flexibility in various applications. - Low power consumption due to CMOS technology. - High-speed operation with low propagation delay. - 3-state outputs provide flexibility in bus-oriented systems.

Disadvantages: - Limited maximum operating frequency compared to some other logic level shifters. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LVC821ABQ,118 operates based on CMOS technology. It utilizes a combination of transistors to perform logic level shifting and store data using D-type flip-flops. The inputs are shifted to the appropriate voltage level and stored in the flip-flops, while the outputs can be enabled or disabled using the OE pin.

Detailed Application Field Plans

The 74LVC821ABQ,118 finds applications in various electronic systems where logic level shifting is required. Some potential application fields include: - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

• SN74LVC821APWR
• MC74LVC821ADTG
• CD74LVC821AMT

These alternative models offer similar functionality and can be used as replacements for the 74LVC821ABQ,118 in different applications.

In conclusion, the 74LVC821ABQ,118 is a versatile logic level shifter IC with 8-bit D-type flip-flops and 3-state outputs. It allows for seamless integration of devices operating at different voltage levels and finds applications in various electronic systems.