SN74LVTZ244DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, High-Speed, Tri-State Outputs
• Package: SSOP-20
• Essence: Logic Level Shifter and Signal Buffer
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Number of Channels: 8
• Output Current: ±12mA
• Propagation Delay Time: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTZ244DBR has a total of 20 pins, which are assigned as follows:

1. A1 - Channel 1 Input
2. Y1 - Channel 1 Output
3. GND - Ground
4. A2 - Channel 2 Input
5. Y2 - Channel 2 Output
6. A3 - Channel 3 Input
7. Y3 - Channel 3 Output
8. VCC - Power Supply
9. A4 - Channel 4 Input
10. Y4 - Channel 4 Output
11. A5 - Channel 5 Input
12. Y5 - Channel 5 Output
13. A6 - Channel 6 Input
14. Y6 - Channel 6 Output
15. A7 - Channel 7 Input
16. Y7 - Channel 7 Output
17. A8 - Channel 8 Input
18. Y8 - Channel 8 Output
19. OE - Output Enable
20. GND - Ground

Functional Features

• Logic Level Shifting: The SN74LVTZ244DBR can shift logic levels from 1.65V to 3.6V, making it suitable for interfacing between different voltage domains.
• Signal Buffering: It provides buffering capabilities to ensure signal integrity and drive capacitive loads efficiently.
• Tri-State Outputs: The tri-state outputs allow the device to be effectively disconnected from the bus, reducing power consumption and preventing bus contention.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• High-speed operation enables efficient data transfer.
• Tri-state outputs provide flexibility in bus sharing applications.
• Low power consumption enhances energy efficiency.

Disadvantages

• Limited output current may restrict its use in high-current applications.
• Propagation delay time may introduce timing issues in certain scenarios.
• SSOP package may require careful handling during assembly.

Working Principles

The SN74LVTZ244DBR is based on CMOS technology and operates as a buffer/line driver. It accepts input signals within the specified voltage range and amplifies them to drive the corresponding outputs. The device incorporates level shifting circuitry, allowing seamless communication between systems operating at different voltage levels. The tri-state outputs enable the device to be selectively connected or disconnected from the bus, facilitating bus sharing and preventing signal conflicts.

Detailed Application Field Plans

The SN74LVTZ244DBR finds applications in various fields, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels, ensuring proper signal translation and compatibility.
2. Communication Systems: The device is suitable for level shifting and buffering in communication systems, such as UART, SPI, and I2C interfaces.
3. Industrial Automation: It can be employed in industrial automation systems to interface between different voltage domains and drive various actuators and sensors.
4. Automotive Electronics: The SN74LVTZ244DBR can be utilized in automotive electronics for level shifting and signal buffering in applications like infotainment systems and control modules.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar to SN74LVTZ244DBR, but operates at a wider supply voltage range of 1.2V to 3.6V.
2. SN74LVTH244A: Offers higher output current capability compared to SN74LVTZ244DBR, making it suitable for driving larger loads.
3. SN74LVC245: Provides bidirectional data transmission capabilities, allowing both input and output operations on the same pins.

These alternative models offer similar functionality with slight variations in specifications, catering to different application requirements.

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