SN74LVCZ245APW

Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation, 3-state outputs, low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: A versatile level shifter and bus transceiver IC designed for bidirectional voltage translation between different logic levels.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

The SN74LVCZ245APW is a 8-bit dual-supply bus transceiver that can operate at voltages ranging from 1.65V to 5.5V. It features 3-state outputs, allowing multiple devices to share a common bus without contention. The device has a maximum data transfer rate of 100Mbps and supports bidirectional communication between two voltage domains.

Pin Configuration

The SN74LVCZ245APW has a total of 20 pins, which are assigned specific functions as follows:

1. OE (Output Enable) - Output enable pin for controlling the direction of data flow.
2. DIR (Direction Control) - Direction control pin for selecting the data transmission direction. 3-10. A1-A8 - Input/output pins for data transmission. 11-18. B1-B8 - Input/output pins for data transmission.
3. GND (Ground) - Ground reference pin.
4. VCC (Supply Voltage) - Positive supply voltage pin.

Functional Features

• Bidirectional Voltage Level Translation: The SN74LVCZ245APW allows for seamless translation of logic levels between two voltage domains, enabling communication between devices operating at different voltage levels.
• 3-State Outputs: The device's 3-state outputs provide a high-impedance state when disabled, preventing bus contention and allowing multiple devices to share the same bus.
• Low Power Consumption: The IC is designed with low power consumption in mind, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Versatile level shifter and bus transceiver for bidirectional voltage translation. - Supports a wide range of supply voltages. - 3-state outputs prevent bus contention. - Low power consumption.

Disadvantages: - Limited maximum data transfer rate compared to some other bus transceivers. - TSSOP package may require careful handling during assembly.

Working Principles

The SN74LVCZ245APW utilizes a combination of MOSFETs and CMOS logic to achieve bidirectional voltage level translation. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the outputs. When enabled, the device translates the logic levels from one side of the bus to the other, allowing for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The SN74LVCZ245APW finds applications in various fields where voltage level translation and bus transceiver functionality are required. Some potential application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Mixed Voltage Systems: It can be employed in systems that utilize components operating at different voltage levels, ensuring compatibility and seamless data transfer.
3. Industrial Automation: The device can facilitate communication between different modules and subsystems in industrial automation systems, which often operate at different voltage levels.

Detailed and Complete Alternative Models

1. TXB0108PWR: An 8-bit bidirectional voltage-level translator with automatic direction sensing. It operates at voltages ranging from 1.2V to 3.6V and supports data rates up to 100Mbps.
2. PCA9306DCTR: A dual bidirectional I2C-bus and SMBus voltage-level translator with an enable input. It operates at voltages ranging from 1.0V to 5.5V and supports data rates up to 400kHz.

These alternative models offer similar functionality to the SN74LVCZ245APW and can be considered as alternatives depending on specific application requirements.

In conclusion, the SN74LVCZ245APW is a versatile level shifter and bus transceiver IC that enables bidirectional voltage level translation between different logic levels. With its 3-state outputs, low power consumption, and wide supply voltage range, it finds applications in various fields where seamless communication between devices operating at different voltage levels is required.