74LVT245PW,118

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Level Shifter/Transceiver
Characteristics: Low Voltage, Bi-directional, Tri-state
Package: TSSOP (Thin Shrink Small Outline Package)
Essence: Logic Level Translator
Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

Supply Voltage Range: 1.2V to 3.6V
Input Voltage Range: 0V to VCC
Output Voltage Range: 0V to VCC
Maximum Operating Frequency: 200MHz
Number of Channels: 8
Input/Output Type: CMOS/TTL Compatible

Detailed Pin Configuration

OE (Output Enable) - Active Low Output Enable
A1 - Channel 1 Data Input/Output
B1 - Channel 1 Data Input/Output
GND - Ground
B2 - Channel 2 Data Input/Output
A2 - Channel 2 Data Input/Output
VCC - Power Supply
DIR (Direction Control) - Direction Control Input
A3 - Channel 3 Data Input/Output
B3 - Channel 3 Data Input/Output
A4 - Channel 4 Data Input/Output
B4 - Channel 4 Data Input/Output
B5 - Channel 5 Data Input/Output
A5 - Channel 5 Data Input/Output
GND - Ground
B6 - Channel 6 Data Input/Output
A6 - Channel 6 Data Input/Output
VCC - Power Supply
B7 - Channel 7 Data Input/Output
A7 - Channel 7 Data Input/Output
B8 - Channel 8 Data Input/Output
A8 - Channel 8 Data Input/Output
GND - Ground
OE (Output Enable) - Active Low Output Enable

Functional Features

Bi-directional level shifting between two voltage domains
Tri-state outputs for bus sharing and isolation
CMOS/TTL compatible inputs and outputs
Wide supply voltage range allows interfacing with various logic families
High-speed operation up to 200MHz

Advantages and Disadvantages

Advantages

Enables communication between devices operating at different voltage levels
Provides bidirectional data transfer capability
Supports high-speed data transmission
Offers tri-state outputs for bus sharing and isolation

Disadvantages

Requires careful consideration of voltage compatibility to avoid damage to the IC or connected devices
May introduce additional propagation delay in signal transmission

Working Principles

The 74LVT245PW,118 is a bi-directional level shifter/transceiver IC that allows for seamless communication between devices operating at different voltage levels. It features eight channels with tri-state outputs, enabling bidirectional data transfer. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a logic high or low, the corresponding data channels are enabled for data transmission in the specified direction.

The IC operates within a wide supply voltage range, making it compatible with various logic families such as CMOS and TTL. It provides reliable and high-speed data transmission, supporting frequencies up to 200MHz. The tri-state outputs allow multiple devices to share a common bus while providing isolation when necessary.

Detailed Application Field Plans

The 74LVT245PW,118 finds applications in various fields where level shifting and bidirectional data transfer are required. Some common application areas include: - Communication interfaces between microcontrollers and peripheral devices - Interfacing between different logic families in mixed-signal systems - Bus communication in industrial automation and control systems - Data transmission in automotive electronics - Interface conversion in consumer electronics

Detailed and Complete Alternative Models

74LVC245APW,118
SN74LVT245PW,118
MC74LVT245DWG

These alternative models offer similar functionality and can be used as replacements for the 74LVT245PW,118 in various applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74LVT245PW,118 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74LVT245PW,118 in technical solutions:

Q: What is the function of the 74LVT245PW,118? A: The 74LVT245PW,118 is an octal bus transceiver with 3-state outputs. It can be used to enable bidirectional transfer of data between two buses.
Q: What is the voltage supply range for the 74LVT245PW,118? A: The voltage supply range for this IC is typically between 2.7V and 3.6V.
Q: Can the 74LVT245PW,118 handle level shifting between different voltage domains? A: Yes, it can handle level shifting as long as the voltage levels are within its specified supply range.
Q: How many data lines can the 74LVT245PW,118 handle? A: This IC has 8 bidirectional data lines, allowing for simultaneous transfer of 8 bits of data.
Q: Does the 74LVT245PW,118 have any built-in protection features? A: Yes, it has built-in ESD protection on all inputs and outputs, making it more robust against electrostatic discharge events.
Q: Can the 74LVT245PW,118 be used in a mixed-voltage system? A: Yes, it can be used in mixed-voltage systems as long as the voltage levels are within its specified supply range.
Q: What is the maximum data transfer rate supported by the 74LVT245PW,118? A: The maximum data transfer rate is typically around 200 MHz, depending on the specific operating conditions.
Q: Can the 74LVT245PW,118 be used in both parallel and serial communication systems? A: Yes, it can be used in both parallel and serial communication systems, depending on the specific application requirements.
Q: Does the 74LVT245PW,118 have any power-saving features? A: Yes, it has a low-power standby mode that can be activated to reduce power consumption when the IC is not actively transferring data.
Q: What are some typical applications for the 74LVT245PW,118? A: Some common applications include level shifting between different voltage domains, interfacing microcontrollers with external devices, and bus buffering in digital systems.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74LVT245PW,118.