74LVT244SJ

Basic Information Overview

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

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 200MHz
• Number of Channels: 8
• Input/Output Type: Non-Inverting
• Output Current: ±24mA

Detailed Pin Configuration

The 74LVT244SJ IC has a total of 20 pins arranged as follows:

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

Functional Features

• Tri-State Outputs: The 74LVT244SJ features tri-state outputs, allowing the device to be effectively disconnected from the bus when not in use.
• Low Voltage Operation: This IC operates at low voltage levels, making it suitable for battery-powered devices and other low-power applications.
• Non-Inverting Buffer: The input signal is buffered and amplified without any inversion in the output signal.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide supply voltage range - High-speed operation - Tri-state outputs for bus sharing

Disadvantages: - Limited output current capacity - Not suitable for high-voltage applications

Working Principles

The 74LVT244SJ is a logic level shifter that allows for bidirectional voltage translation between different voltage domains. It accepts low voltage signals from one side and provides amplified versions of those signals at a higher voltage level on the other side. The tri-state outputs enable multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The 74LVT244SJ is commonly used in various applications, including:

1. Microcontroller interfacing
2. Data communication systems
3. Memory address decoding
4. Level shifting in mixed voltage systems
5. Bus driving and buffering

Detailed and Complete Alternative Models

Some alternative models to the 74LVT244SJ include:

1. 74LVX244: Similar functionality but operates at a wider voltage range (2V to 5.5V).
2. SN74LVC244A: Offers similar features with improved speed and lower power consumption.
3. MC74VHC244: Higher voltage tolerance (up to 6V) and faster switching times.

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

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