SN74LV374ATDBR

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: The SN74LV374ATDBR is a high-performance, low-voltage octal D-type transparent latch designed for general-purpose storage applications 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 (minimum), VCC (maximum)
• Low-Level Input Voltage: GND (minimum), 0.8V (maximum)
• High-Level Output Voltage: VCC - 0.6V (minimum), VCC (maximum)
• Low-Level Output Voltage: GND (minimum), 0.1V (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LV374ATDBR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output Enable Input
2. CP (Clock Pulse) - Clock Pulse 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 (Output) - Output for Flip-Flop 0
11. Q1 (Output) - Output for Flip-Flop 1
12. Q2 (Output) - Output for Flip-Flop 2
13. Q3 (Output) - Output for Flip-Flop 3
14. Q4 (Output) - Output for Flip-Flop 4
15. Q5 (Output) - 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. GND (Ground) - Ground
20. Q6 (Output) - Output for Flip-Flop 6

Functional Features

The SN74LV374ATDBR offers the following functional features:

• Octal D-type transparent latch with 3-state outputs
• Low-voltage operation, suitable for various digital systems
• Output enable control for easy data storage and retrieval
• Clock pulse input for synchronized data transfer
• High-speed operation for efficient data processing
• 3-state outputs for bus-oriented applications

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with a wide range of digital systems - High-performance design ensures efficient data storage and retrieval - 3-state outputs enable flexible bus-oriented applications - Compact TSSOP package saves board space

Disadvantages: - Limited to octal (8-bit) data storage applications - Not suitable for high-voltage environments

Working Principles

The SN74LV374ATDBR operates as an octal D-type transparent latch. When the output enable (OE) signal is active, the data inputs (D0-D7) are latched and stored in the flip-flops. The clock pulse (CP) input synchronizes the transfer of data from the inputs to the outputs. When the OE signal is inactive, the latch holds the previously stored data. The 3-state outputs allow multiple devices to share a common bus without interference.

Detailed Application Field Plans

The SN74LV374ATDBR can be used in various digital systems that require efficient data storage and retrieval. Some potential application fields include:

1. Microcontrollers: Used for storing and transferring data between different peripherals and memory units.
2. Communication Systems: Enables data buffering and synchronization in communication protocols such as UART, SPI, and I2C.
3. Data Acquisition Systems: Facilitates the capture and storage of analog signals for further processing.
4. Industrial Automation: Provides reliable data storage and transfer in control systems and PLCs.
5. Automotive Electronics: Supports data handling in automotive applications like engine management systems and infotainment systems.

Detailed and Complete Alternative Models

1. SN74LV374A: Similar octal D-type transparent latch with 3-state outputs, but operates