SN74HCT373DBRE4

Product Overview

• Category: Integrated Circuit
• Use: Latch/Flip-Flop
• Characteristics: High-Speed, CMOS Logic, 3-State Output
• Package: SSOP (Shrink Small Outline Package)
• Essence: Octal Transparent D-Type Latch with 3-State Outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

The SN74HCT373DBRE4 is an octal transparent D-type latch with 3-state outputs. It operates on high-speed CMOS logic and is designed for use in various digital applications. The latch is capable of storing data when the latch enable (LE) input is high, and the data is transferred to the outputs when the output enable (OE) input is low.

The device features eight latches with 3-state outputs, allowing for efficient data storage and transfer. It operates on a wide voltage range from 2V to 6V, making it suitable for different power supply configurations. The latch also has built-in protection against electrostatic discharge (ESD), ensuring reliable operation in various environments.

Pin Configuration

The SN74HCT373DBRE4 has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. OE (Output Enable) - Output Enable Input
2. LE (Latch Enable) - Latch Enable Input
3. D0-D7 (Data Inputs) - Data Inputs
4. Q0-Q7 (Outputs) - Data Outputs
5. GND (Ground) - Ground Connection
6. Q7' (Complementary Output) - Complementary Data Output
7. VCC (Power Supply) - Power Supply Connection

Functional Features

• Octal transparent D-type latch with 3-state outputs
• High-speed CMOS logic for efficient data storage and transfer
• Wide voltage range (2V to 6V) for versatile power supply configurations
• Built-in protection against electrostatic discharge (ESD)
• 3-state outputs allow for bus sharing and easy interfacing with other devices

Advantages and Disadvantages

Advantages

• High-speed operation enables quick data processing
• Versatile voltage range allows for flexible power supply options
• 3-state outputs facilitate bus sharing and interfacing with other devices
• Built-in ESD protection ensures reliable operation in various environments

Disadvantages

• Limited number of latch outputs may restrict certain applications requiring more outputs
• SSOP package may not be suitable for all PCB layouts or assembly processes

Working Principles

The SN74HCT373DBRE4 operates based on the principles of transparent latch functionality. When the latch enable (LE) input is high, the data inputs (D0-D7) are latched and stored internally. The stored data is then transferred to the outputs (Q0-Q7) when the output enable (OE) input is low.

The latch operates on high-speed CMOS logic, allowing for fast data storage and transfer. The 3-state outputs provide flexibility in bus sharing and interfacing with other devices. The built-in ESD protection ensures reliable operation by safeguarding against electrostatic discharge events.

Detailed Application Field Plans

The SN74HCT373DBRE4 can be used in various digital applications that require efficient data storage and transfer. Some potential application fields include:

1. Microcontrollers and Microprocessors: The latch can be used to store and transfer data between the microcontroller/microprocessor and external devices, such as memory modules or peripheral interfaces.
2. Data Communication Systems: The latch can be utilized in data communication systems to buffer and control data flow between different components, ensuring smooth and reliable data transmission.
3. Industrial Automation: The device can be employed in industrial automation systems to store and transfer control signals, enabling precise control of machinery and equipment.
4. Automotive Electronics: The latch can find applications in automotive electronics for storing and transferring data between various components, such as sensors, actuators, and control units.

Detailed and Complete Alternative Models

1. SN74HCT373N: DIP (Dual In-line Package) version of the SN74HCT373DBRE4
2. MC74HCT373AN: Alternative octal transparent D-type latch with 3-state outputs from a different manufacturer
3. CD74HCT373E: Octal transparent latch with 3-state outputs from another reputable brand

These alternative models offer similar functionality and characteristics to the SN74HCT373DBRE4, providing options for different package preferences or availability.

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