SN74LVTZ244PWR

Overview

Category: Integrated Circuit (IC)

Use: Signal Buffer/Line Driver

Characteristics: - Low Voltage TTL (LVT) Technology - 3-State Outputs - High-Speed Operation - Wide Operating Voltage Range - Available in TSSOP Package - RoHS Compliant

Package: TSSOP-20

Essence: The SN74LVTZ244PWR is a high-performance octal buffer and line driver designed for low-voltage applications. It provides eight non-inverting buffers with 3-state outputs, making it suitable for driving heavily loaded bus lines.

Packaging/Quantity: The SN74LVTZ244PWR is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Input Current: ±10mA
• Maximum Output Current: ±32mA
• Propagation Delay Time: 4.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVTZ244PWR has a TSSOP-20 package with the following pin configuration:

__ __ A1 | 1 20 | VCC A2 | 2 19 | B1 A3 | 3 18 | B2 A4 | 4 17 | B3 A5 | 5 16 | B4 A6 | 6 15 | B5 A7 | 7 14 | B6 GND | 8 13 | B7 OE | 9 12 | B8 Y1 |10 11 | GND ‾‾ ‾‾

Functional Features

• Non-Inverting Buffer/Line Driver: The SN74LVTZ244PWR provides eight non-inverting buffers that can be used to amplify and drive digital signals.
• 3-State Outputs: The outputs of the buffer can be put into a high-impedance state, allowing multiple devices to share the same bus lines without interference.
• High-Speed Operation: With a propagation delay time of only 4.5ns, the SN74LVTZ244PWR ensures fast signal transmission.
• Wide Operating Voltage Range: It operates within a voltage range of 2.7V to 3.6V, making it compatible with various low-voltage systems.

Advantages and Disadvantages

Advantages: - Low-voltage operation makes it suitable for battery-powered devices. - 3-state outputs allow for efficient bus sharing. - High-speed operation enables quick signal transmission. - RoHS compliant, ensuring environmental friendliness.

Disadvantages: - Limited operating temperature range (-40°C to +85°C). - Requires external power supply within the specified voltage range.

Working Principles

The SN74LVTZ244PWR works by receiving digital input signals on its A1-A7 pins and amplifying them through non-inverting buffers. The amplified signals are then available at the corresponding Y1-Y7 output pins. The OE (Output Enable) pin controls the 3-state outputs, allowing the device to be enabled or disabled as needed.

Detailed Application Field Plans

The SN74LVTZ244PWR is commonly used in various applications, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers with external devices, such as LCD displays, memory modules, and sensors.
2. Data Communication: The buffer is suitable for driving bus lines in communication systems, ensuring reliable data transmission.
3. Industrial Automation: It finds applications in industrial automation systems where it helps amplify and drive control signals.
4. Automotive Electronics: The SN74LVTZ244PWR is used in automotive electronics for signal buffering and line driving purposes.

Detailed and Complete Alternative Models

1. SN74LVC244APW: Similar to the SN74LVTZ244PWR, but operates at a wider voltage range of 1.65V to 5.5V.
2. SN74LVTH244ADBR: Offers similar functionality with added ESD protection features.
3. SN74LVC1G07DCKR: Single buffer/driver with open-drain output, suitable for low-power applications.

These alternative models provide similar functionality to the SN74LVTZ244PWR but may have different voltage ranges, package types, or additional features.

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