SN74LVT244BPWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, High-Speed, Tri-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translator
• 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 SN74LVT244BPWR has a total of 20 pins, which are arranged as follows:

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

Functional Features

• Logic Level Translation: The SN74LVT244BPWR is designed to translate signals between different voltage levels, making it suitable for interfacing between devices operating at different voltage levels.
• Tri-State Outputs: The device features tri-state outputs, allowing the outputs to be disabled and effectively disconnected from the bus when not in use.
• High-Speed Operation: With a maximum operating frequency of 200MHz, the SN74LVT244BPWR can handle high-speed data transmission.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Tri-state outputs provide flexibility in bus sharing applications. - High-speed operation enables efficient data transfer.

Disadvantages: - Limited output current may restrict its use in certain applications requiring higher drive capabilities. - The TSSOP package may pose challenges for manual soldering due to its small size.

Working Principles

The SN74LVT244BPWR operates by receiving input signals at one voltage level and translating them to another voltage level using internal circuitry. It utilizes a combination of transistors and logic gates to achieve this translation. The tri-state outputs allow the device to control the flow of data on the bus by enabling or disabling the outputs based on the state of the OE (Output Enable) pin.

Detailed Application Field Plans

The SN74LVT244BPWR is commonly used in various applications, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Level Shifting: The device is suitable for level shifting applications where signals need to be translated between different voltage domains.
3. Bus Sharing: With its tri-state outputs, the SN74LVT244BPWR is ideal for bus sharing scenarios, allowing multiple devices to share a common bus while avoiding conflicts.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74LVT244BPWR include:

1. SN74LVC244A: This IC offers similar characteristics and features as the SN74LVT244BPWR but operates at a lower voltage range of 1.65V to 3.6V.
2. SN74LVTH244A: This IC provides similar functionality but offers higher output drive capabilities, making it suitable for applications requiring stronger output currents.

These alternative models can be considered based on specific application requirements and voltage level compatibility.

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