SN74LVCZ245ADBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation, 3-state outputs, low power consumption
• Package: SSOP-20
• Essence: This IC allows for bidirectional voltage level shifting between different logic levels, making it suitable for interfacing between devices operating at different voltage levels.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Voltage Levels: 1.8V, 2.5V, 3.3V, and 5V
• Input/Output Compatibility: TTL, CMOS
• Maximum Data Rate: 100 Mbps
• Number of Channels: 8
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCZ245ADBR has a total of 20 pins arranged as follows:

┌───┬───┐ A1 -|1 └─ 20|- VCCB A2 -|2 19|- OE# B1 -|3 18|- B7 B2 -|4 17|- B6 A3 -|5 16|- B5 A4 -|6 15|- B4 A5 -|7 14|- B3 GND-|8 13|- B2 DIR-|9 12|- B1 VCCA|10 11|- A7 └───────┘

Functional Features

• Bidirectional voltage level translation between different logic levels
• 3-state outputs allow for bus sharing and isolation
• Low power consumption, suitable for battery-powered devices
• Supports various logic voltage levels (1.8V, 2.5V, 3.3V, and 5V)
• High-speed data transmission up to 100 Mbps

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - Bi-directional capability simplifies circuit design - 3-state outputs provide flexibility in bus sharing scenarios - Low power consumption extends battery life

Disadvantages: - Limited number of channels (8) - Not suitable for high-speed applications requiring data rates above 100 Mbps

Working Principles

The SN74LVCZ245ADBR is a bidirectional level shifter and bus transceiver. It uses a combination of MOSFETs and control logic to translate voltage levels between two different logic families. The DIR pin controls the direction of data flow, allowing bidirectional communication. When the OE# (Output Enable) pin is low, the device is enabled, and the data can be transmitted in both directions. The 3-state outputs enable bus sharing and isolation.

Detailed Application Field Plans

The SN74LVCZ245ADBR is commonly used in various applications where voltage level translation is required. Some of the typical application fields include:

1. Microcontroller Interfacing: The IC facilitates communication between microcontrollers operating at different voltage levels, enabling seamless integration of multiple devices.
2. Sensor Networks: It allows sensors operating at different voltage levels to communicate with a central controller or gateway, simplifying the overall system design.
3. Industrial Automation: The IC can be used in industrial automation systems to interface between different logic families, ensuring compatibility and reliable data transfer.
4. IoT Devices: With the increasing popularity of IoT devices, the SN74LVCZ245ADBR finds application in bridging the gap between sensors, microcontrollers, and communication modules operating at different voltage levels.

Detailed and Complete Alternative Models

1. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. CD4050B: Hex non-inverting buffer/converter for translating logic levels.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVCZ245ADBR depending on specific requirements and constraints.

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