SN74LV374ATDWR

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: Low-voltage, Octal D-type transparent latch with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: A latch that can store and transfer data in digital systems
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 125MHz
• Number of Inputs/Outputs: 8

Detailed Pin Configuration

The SN74LV374ATDWR has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

The SN74LV374ATDWR is an octal D-type transparent latch with 3-state outputs. It can store and transfer data in digital systems. The latch has an output enable input (OE) that allows the outputs to be put into a high-impedance state, making it suitable for bus-oriented applications.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with a wide range of digital systems. - Octal design provides multiple inputs and outputs, increasing flexibility. - 3-state outputs allow for easy integration into bus systems.

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

Working Principles

The SN74LV374ATDWR operates based on the principles of flip-flops. When the clock pulse (CP) is triggered, the data inputs (D0-D7) are latched and stored in their respective flip-flops. The stored data can then be transferred to the outputs (Q0-Q7) when the output enable (OE) is active. The latch operates in a transparent mode, meaning that the outputs reflect the inputs as long as the clock pulse is active.

Detailed Application Field Plans

The SN74LV374ATDWR can be used in various digital systems where data storage and transfer are required. Some potential application fields include:

1. Microcontrollers: The latch can be used to store and transfer data between the microcontroller and other peripheral devices.
2. Memory Systems: It can be utilized in memory modules to hold and transfer data between different memory banks.
3. Communication Systems: The latch can be employed in communication systems for buffering and synchronizing data signals.
4. Industrial Automation: It can be integrated into control systems to store and transfer data related to process control.

Detailed and Complete Alternative Models

1. SN74LV374A: Similar to SN74LV374ATDWR but available in a different package (SOIC).
2. 74HC374: High-speed CMOS alternative with similar functionality.
3. CD74HCT374: HCT series alternative with TTL compatibility