SN74LVC1T45MDCKREP

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter
• Characteristics: Bi-directional voltage level translation with automatic direction sensing
• Package: VSSOP (Very Small Outline Package)
• Essence: Single-bit dual-supply bus transceiver
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 4.7 ns (Max) at 3.3V
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVC1T45MDCKREP has the following pin configuration:

1. A1 - Input/Output A
2. GND - Ground
3. B1 - Input/Output B
4. OE - Output Enable
5. VCCB - Supply Voltage for Port B
6. VCCA - Supply Voltage for Port A

Functional Features

• Bi-directional voltage level translation between two different supply voltages
• Automatic direction sensing eliminates the need for a direction control signal
• Supports bidirectional data transfer between buses operating at different voltage levels
• Provides voltage level shifting without the need for external pull-up or pull-down resistors
• Low power consumption and high-speed operation

Advantages and Disadvantages

Advantages: - Simplifies interfacing between devices operating at different voltage levels - Eliminates the need for additional components like level shifters and resistors - Automatic direction sensing simplifies system design

Disadvantages: - Limited to a single-bit bidirectional bus translation - Maximum operating frequency may be insufficient for high-speed applications

Working Principles

The SN74LVC1T45MDCKREP is designed using CMOS technology, which allows for low power consumption and high-speed operation. It utilizes a voltage level shifting technique to enable bidirectional data transfer between two buses operating at different voltage levels. The device automatically senses the direction of data flow and adjusts the voltage levels accordingly.

Detailed Application Field Plans

The SN74LVC1T45MDCKREP can be used in various applications, including:

1. Battery-powered devices: Enables communication between low-voltage microcontrollers and higher voltage peripherals.
2. Industrial automation: Facilitates data exchange between different voltage level sensors and control systems.
3. Consumer electronics: Allows for interfacing between logic circuits operating at different voltage levels.
4. Automotive electronics: Supports communication between different voltage domains in automotive systems.

Detailed and Complete Alternative Models

1. TXB0101: Single-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. 74LVC245: Octal bus transceiver with direction pin for bi-directional data transfer.

These alternative models provide similar functionality and can be considered as alternatives to the SN74LVC1T45MDCKREP based on specific application requirements.

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