SN74ALVTH16827VR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 20-bit bus transceiver with 3-state outputs
• Package: 56-pin Very Thin Quad Flat Package (VQFN)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Channels: 20
• Output Drive Strength: ±12mA
• Low Power Consumption: ICC = 4μA (Max)

Detailed Pin Configuration

The SN74ALVTH16827VR has a total of 56 pins, which are organized as follows:

• Pins 1 to 8: Channel A Data Inputs/Outputs (D0-D7)
• Pins 9 to 16: Channel B Data Inputs/Outputs (D8-D15)
• Pins 17 to 24: Channel C Data Inputs/Outputs (D16-D23)
• Pins 25 to 32: Channel D Data Inputs/Outputs (D24-D31)
• Pins 33 to 40: Channel E Data Inputs/Outputs (D32-D39)
• Pins 41 to 48: Channel F Data Inputs/Outputs (D40-D47)
• Pins 49 to 56: Control Inputs/Outputs (OE, DIR)

Functional Features

• Bidirectional Voltage Translation: Allows seamless communication between devices operating at different voltage levels.
• 3-State Outputs: Provides the ability to disconnect the output from the bus, allowing multiple devices to share the same bus without interference.
• High-Speed Operation: Supports data rates up to 400MHz, enabling fast and efficient data transfer.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
• ESD Protection: Incorporates built-in protection against electrostatic discharge, ensuring reliability in harsh environments.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transfer. - 3-state outputs facilitate bus sharing among multiple devices. - Low power consumption extends battery life in portable applications. - ESD protection enhances reliability.

Disadvantages: - Limited number of channels (20) may not be sufficient for complex systems requiring more connections. - Package size may pose challenges in space-constrained designs.

Working Principles

The SN74ALVTH16827VR operates by receiving input signals from one voltage domain and translating them to another voltage domain. It utilizes a combination of level shifters and transistors to achieve bidirectional voltage translation. The control inputs (OE, DIR) determine the direction of data flow and enable/disable the outputs.

Detailed Application Field Plans

The SN74ALVTH16827VR is commonly used in various digital systems where voltage translation is required. Some typical application fields include:

1. Microcontrollers: Facilitates communication between microcontrollers operating at different voltage levels.
2. Memory Interfaces: Enables data transfer between memory modules with varying voltage requirements.
3. Communication Systems: Allows interfacing between different communication protocols operating at different voltage levels.
4. Industrial Automation: Used in control systems to bridge the gap between devices with different voltage standards.
5. Consumer Electronics: Provides voltage translation capabilities in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
2. SN74AVC4T245: Quad-Bit Bus Transceiver with Configurable Voltage Translation
3. SN74LVC1T45: Single-Bit Bus Transceiver with Automatic Direction Control

These alternative models offer similar functionality and voltage translation capabilities, providing options for different design requirements.

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