SN74LVC16245AGQLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, bidirectional communication
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 16
• Input/Output Type: Tri-State
• Logic Family: LVC (Low-Voltage CMOS)

Detailed Pin Configuration

The SN74LVC16245AGQLR has a total of 48 pins, which are divided into four groups of 12 pins each. The pin configuration is as follows:

• Group A (Pins 1-12): Channel 1 Inputs/Outputs
• Group B (Pins 13-24): Channel 2 Inputs/Outputs
• Group C (Pins 25-36): Channel 3 Inputs/Outputs
• Group D (Pins 37-48): Channel 4 Inputs/Outputs

Each group consists of input pins (A1-A12, B1-B12, C1-C12, D1-D12) and output pins (Y1-Y12, Y13-Y24, Y25-Y36, Y37-Y48). Additionally, there are control pins for enabling/disabling the channels and selecting the direction of data flow.

Functional Features

• Bidirectional Data Transfer: Allows data transmission in both directions between two voltage domains.
• Level Shifting: Converts signals from one voltage level to another, ensuring compatibility between different logic families.
• Tri-State Outputs: Provides high impedance state when the outputs are not enabled, allowing multiple devices to share a common bus.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low-voltage design reduces power consumption. - Bidirectional communication simplifies system design. - Tri-State outputs allow for easy bus sharing.

Disadvantages: - Limited supply voltage range restricts usage in certain applications. - Maximum operating frequency may not be sufficient for high-speed applications.

Working Principles

The SN74LVC16245AGQLR is designed to facilitate communication between two voltage domains. It uses level shifting techniques to convert signals from one voltage level to another. The bidirectional nature of the IC allows data to flow in both directions, enabling seamless communication between devices operating at different voltage levels.

The control pins on the IC determine the direction of data flow and enable/disable the channels. When a channel is disabled, its outputs enter a high impedance state, preventing any interference with other devices connected to the bus.

Detailed Application Field Plans

The SN74LVC16245AGQLR finds applications in various fields where level shifting and bidirectional communication are required. Some of the common application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, allowing them to communicate with each other.
2. Memory Interfaces: It can be employed in memory modules to enable data transfer between different voltage domains.
3. Industrial Automation: The IC facilitates communication between sensors, actuators, and control systems operating at different voltage levels.
4. Communication Systems: It can be utilized in communication systems to interface devices with varying voltage requirements, such as UART, SPI, or I2C interfaces.

Detailed and Complete Alternative Models

1. SN74LVC16245ADGGR: Similar to SN74LVC16245AGQLR, but available in a different package (48-pin TSSOP).
2. SN74LVC16245AZRDR: Another variant with the same functionality, but offered in a smaller package (56-pin VFBGA).

These alternative models provide similar features and can be used as replacements for the SN74LVC16245AGQLR based on specific application requirements.

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