SN74LV574APWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-voltage, Octal D-type transparent latch with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to store and transfer data in electronic systems.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V (minimum), Vcc + 0.5V (maximum)
• Low-Level Input Voltage: -0.5V (minimum), 0.8V (maximum)
• High-Level Output Voltage: Vcc - 0.6V (minimum), Vcc (maximum)
• Low-Level Output Voltage: 0.1V (minimum), 0.4V (maximum)
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 100MHz

Detailed Pin Configuration

The SN74LV574APWRE4 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. OE (Output Enable)
11. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Output 0)
14. Q1 (Output 1)
15. Q2 (Output 2)
16. Q3 (Output 3)
17. Q4 (Output 4)
18. Q5 (Output 5)
19. Q6 (Output 6)
20. Q7 (Output 7)

Functional Features

• Octal D-type transparent latch with 3-state outputs
• Low-voltage operation, suitable for battery-powered devices
• High-speed operation, capable of handling data at up to 100MHz clock frequency
• Output enable control allows for easy interfacing with other components
• Master reset functionality for clearing the latch

Advantages and Disadvantages

Advantages: - Low-voltage operation makes it suitable for a wide range of applications - High-speed operation enables efficient data transfer - 3-state outputs provide flexibility in connecting multiple devices - Compact TSSOP package saves board space

Disadvantages: - Limited number of latch outputs (8 in this case) - Not suitable for high-voltage applications

Working Principles

The SN74LV574APWRE4 is an octal D-type transparent latch. It stores data on its inputs and transfers it to the outputs when the clock pulse (CP) signal is active. The latch remains transparent as long as the output enable (OE) signal is high. When OE is low, the latch holds the data on its outputs.

The master reset (MR) input allows for clearing the latch, setting all outputs to a known state. This can be useful during system initialization or error recovery.

Detailed Application Field Plans

The SN74LV574APWRE4 is commonly used in various electronic systems where data storage and transfer are required. Some application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data acquisition systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74LV574A: Similar to SN74LV574APWRE4, but in a different package (PDIP)
2. SN74HC574: High-speed CMOS version with similar functionality
3. CD74HCT574: TTL-compatible version with higher voltage tolerance

These alternative models offer similar features and can be used as replacements depending on specific requirements.

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