SN74LVC16245ADGGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal transmission and level shifting
• Characteristics: High-speed, low-voltage, bidirectional voltage-level translator
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage-level translation between different logic families
• 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: Bidirectional

Detailed Pin Configuration

The SN74LVC16245ADGGR 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 - Data I/O
• Group B (pins 13-24): Channel 2 - Data I/O
• Group C (pins 25-36): Channel 3 - Data I/O
• Group D (pins 37-48): Channel 4 - Data I/O

Each group consists of eight data input/output pins (D1-D8) and four control pins (OE, DIR, GND, VCC).

Functional Features

• Bidirectional voltage-level translation between different logic families
• Supports both unidirectional and bidirectional communication
• Provides voltage-level shifting for mixed voltage systems
• Allows interfacing between devices with different voltage levels
• High-speed operation with minimal propagation delay
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Bidirectional capability simplifies system design - High-speed operation enables efficient data transmission - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited number of channels may restrict the number of devices that can be connected simultaneously - TSSOP package may require careful handling during assembly

Working Principles

The SN74LVC16245ADGGR is a bidirectional voltage-level translator that operates by converting signals between different logic families. It uses a combination of level-shifting circuits and control logic to ensure proper signal translation.

When the direction control (DIR) pin is set to a specific logic level, the device determines the direction of data flow. When DIR is high, data is transmitted from the A-side to the B-side, and when DIR is low, data flows from the B-side to the A-side.

The output enable (OE) pin is used to enable or disable the outputs. When OE is low, the outputs are active, allowing data transmission. When OE is high, the outputs are disabled, effectively isolating the input and output sides.

Detailed Application Field Plans

The SN74LVC16245ADGGR 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. Communication systems: It is used in serial communication interfaces, such as UART, SPI, and I2C, to bridge the voltage gap between different devices.

3. Industrial automation: The IC is employed in industrial control systems to interface between sensors, actuators, and programmable logic controllers (PLCs) operating at different voltage levels.

4. Automotive electronics: It finds applications in automotive systems, such as infotainment systems, where it enables communication between different components with varying voltage requirements.

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. SN74LVC4245A: Octal bus transceiver and voltage-level translator with 3-state outputs.

These alternative models offer similar functionality to the SN74LVC16245ADGGR and can be considered as alternatives based on specific application requirements.

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