74LVQ245SJX

Product Overview

Category

The 74LVQ245SJX belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional octal bus transceiver with 3-state outputs.

Characteristics

• Voltage Level Translation: The IC provides voltage level translation between different logic families.
• High-Speed Operation: It operates at high speeds, making it suitable for applications requiring fast data transfer.
• Low Power Consumption: The 74LVQ245SJX is designed to consume low power, making it energy-efficient.
• 3-State Outputs: The IC features 3-state outputs, allowing multiple devices to share a common bus.

Package

The 74LVQ245SJX is available in a small outline package (SOP) or a thin shrink small outline package (TSSOP).

Essence

The essence of the 74LVQ245SJX lies in its ability to facilitate bidirectional data transfer between two buses with different voltage levels.

Packaging/Quantity

The IC is typically packaged in reels or tubes and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Propagation Delay: 6 ns
• Maximum Output Current: ±24 mA

Detailed Pin Configuration

The 74LVQ245SJX has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

1. OE (Output Enable)
2. A1 (Data Input/Output)
3. B1 (Data Input/Output)
4. A2 (Data Input/Output)
5. B2 (Data Input/Output)
6. A3 (Data Input/Output)
7. B3 (Data Input/Output)
8. A4 (Data Input/Output)
9. B4 (Data Input/Output)
10. GND (Ground)
11. B5 (Data Input/Output)
12. A5 (Data Input/Output)
13. B6 (Data Input/Output)
14. A6 (Data Input/Output)
15. B7 (Data Input/Output)
16. A7 (Data Input/Output)
17. B8 (Data Input/Output)
18. A8 (Data Input/Output)
19. VCC (Power Supply)
20. DIR (Direction Control)

Functional Features

• Bidirectional Data Transfer: The 74LVQ245SJX allows data to be transferred bidirectionally between two buses.
• Voltage Level Translation: It facilitates the translation of voltage levels between different logic families.
• Output Enable Control: The OE pin enables or disables the outputs, providing flexibility in controlling data flow.

Advantages and Disadvantages

Advantages

• High-Speed Operation: The IC operates at high speeds, enabling fast data transfer.
• Low Power Consumption: It consumes low power, making it energy-efficient.
• 3-State Outputs: The 3-state outputs allow multiple devices to share a common bus, enhancing system flexibility.

Disadvantages

• Limited Voltage Range: The IC has a limited voltage range of 1.65V to 5.5V, which may not be suitable for all applications.
• Propagation Delay: The maximum propagation delay of 6 ns may impact real-time applications requiring instantaneous data transfer.

Working Principles

The 74LVQ245SJX works by receiving data from one bus and transmitting it to another bidirectionally. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the IC either transmits data from bus A to bus B or vice versa. The OE pin enables or disables the outputs, allowing control over the data flow.

Detailed Application Field Plans

The 74LVQ245SJX finds applications in various fields, including:

1. Microcontroller Interfacing: It is used for interfacing microcontrollers with external devices, such as sensors, displays, and memory modules.
2. Communication Systems: The IC facilitates data transfer between different communication interfaces, such as UART, SPI, and I2C.
3. Industrial Automation: It is employed in industrial automation systems for connecting different modules and devices within a control system.
4. Automotive Electronics: The IC is utilized in automotive electronics for signal transmission between various components, such as sensors, actuators, and control units.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74LVQ245SJX are:

1. SN74L