74LVX244SJ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic Level Translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 50MHz
• Number of Channels: 8
• Input/Output Type: Non-Inverting
• Propagation Delay Time: 4.3ns (typical)

Detailed Pin Configuration

The 74LVX244SJ IC has a total of 20 pins, which are arranged as follows:

+---\/---+ A1 -|1 20|- VCC B1 -|2 19|- OE# A2 -|3 18|- Y1 B2 -|4 17|- Y2 A3 -|5 16|- Y3 B3 -|6 15|- Y4 A4 -|7 14|- Y5 B4 -|8 13|- Y6 GND-|9 12|- Y7 OE#-|10 11|- Y8 +--------+

Functional Features

• Non-inverting buffer with 3-state outputs
• Provides voltage level translation between different logic families
• High-speed operation allows for efficient data transfer
• Low power consumption makes it suitable for battery-powered devices
• 3-state outputs enable bus sharing and reduce contention issues

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various systems - High-speed operation enables fast data transmission - Non-inverting nature simplifies circuit design - 3-state outputs facilitate bus sharing and reduce power consumption

Disadvantages: - Limited maximum operating frequency compared to some other ICs - Not suitable for applications requiring bidirectional communication

Working Principles

The 74LVX244SJ is a non-inverting buffer/line driver IC that operates as a logic level translator. It takes input signals from one logic family and provides output signals compatible with another logic family. The device uses CMOS technology, which allows for high-speed operation while consuming low power.

The IC consists of eight channels, each capable of translating logic levels independently. The non-inverting nature ensures that the output signal follows the input signal without any inversion. The 3-state outputs allow multiple devices to share a common bus, reducing contention issues and enabling efficient data transfer.

Detailed Application Field Plans

The 74LVX244SJ is widely used in various digital systems where voltage level translation is required. Some common application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, allowing seamless communication between them.
2. Communication systems: It is employed in communication systems to translate logic levels between different components, such as UART (Universal Asynchronous Receiver-Transmitter) modules and serial interfaces.
3. Data acquisition systems: The IC finds application in data acquisition systems where analog signals need to be converted into digital signals at different voltage levels.
4. Industrial automation: It is utilized in industrial automation systems to interface different control units and sensors operating at different voltage levels.

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the 74LVX244SJ are:

1. 74HC244: This IC offers similar features but operates at a higher voltage range (2V to 6V) and has a higher maximum operating frequency.
2. SN74LVX244: Another alternative with comparable characteristics, but it operates at a slightly lower voltage range (2V to 5.5V).
3. CD74HCT244: This IC is compatible with TTL (Transistor-Transistor Logic) inputs and offers similar functionality.

These alternative models can be considered based on specific requirements and compatibility with existing systems.

Word count: 570 words