74LCXR2245MTCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation, high-speed operation, low power consumption
• Package: TSSOP-20
• Essence: The 74LCXR2245MTCX is a level shifter and bus transceiver IC that allows for bi-directional voltage level translation between two different voltage domains. It is commonly used in applications where interfacing between devices operating at different voltage levels is required.
• Packaging/Quantity: The 74LCXR2245MTCX is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.3 x VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8

Detailed Pin Configuration

The 74LCXR2245MTCX has a total of 20 pins, which are assigned as follows:

• Pin 1: A1
• Pin 2: OE#
• Pin 3: B1
• Pin 4: B2
• Pin 5: GND
• Pin 6: B3
• Pin 7: B4
• Pin 8: B5
• Pin 9: B6
• Pin 10: VCC
• Pin 11: A2
• Pin 12: DIR
• Pin 13: A3
• Pin 14: A4
• Pin 15: A5
• Pin 16: A6
• Pin 17: A7
• Pin 18: A8
• Pin 19: GND
• Pin 20: B7

Functional Features

• Bi-directional voltage level translation between two voltage domains.
• High-speed operation, allowing for efficient data transfer.
• Low power consumption, making it suitable for battery-powered devices.
• Enable input (OE#) to control the direction of data flow.
• DIR pin to select the direction of data transmission.

Advantages and Disadvantages

Advantages: - Allows interfacing between devices operating at different voltage levels. - Supports high-speed data transfer. - Low power consumption extends battery life in portable applications.

Disadvantages: - Limited to a maximum operating frequency of 100MHz. - May require additional external components for certain applications.

Working Principles

The 74LCXR2245MTCX operates by utilizing a combination of MOSFETs and CMOS logic to achieve bi-directional voltage level translation. The direction of data flow is controlled by the DIR pin, while the OE# pin enables or disables the device. When enabled, the IC translates the voltage levels of signals from one domain to another, allowing for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LCXR2245MTCX finds application in various scenarios where voltage level translation is required. Some common application fields include:

1. IoT Devices: Facilitating communication between low-power sensors and microcontrollers operating at different voltage levels.
2. Mobile Devices: Enabling data transfer between different voltage domains within smartphones and tablets.
3. Industrial Automation: Interfacing between control systems and peripheral devices operating at different voltage levels.
4. Automotive Electronics: Level shifting between different voltage domains in automotive communication networks.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bi-directional Voltage-Level Translator with Automatic Direction Sensing.
2. SN74LVC4245APW: Octal Bus Transceiver with 3-State Outputs.
3. PCA9306DCUR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator.

These alternative models offer similar functionality to the 74LCXR2245MTCX and can be considered as alternatives based on specific application requirements.

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