SN74ALVCHR16269ALR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: 56-pin VQFN package
• Essence: Translates signals between different voltage levels
• 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
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Maximum Data Rate: 400Mbps

Detailed Pin Configuration

The SN74ALVCHR16269ALR has a total of 56 pins, which are assigned as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input A1)
• Pin 3: B1 (Input B1)
• Pin 4: Y1 (Output Y1)
• Pin 5: A2 (Input A2)
• Pin 6: B2 (Input B2)
• Pin 7: Y2 (Output Y2)
• ...
• Pin 56: VCC (Power Supply)

Functional Features

• Bidirectional voltage translation between two independent voltage domains
• Supports level shifting between 1.2V, 1.8V, 2.5V, and 3.3V systems
• Automatic direction control eliminates the need for external control signals
• Low power consumption and high-speed operation
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient signal translation - Automatic direction control simplifies system design - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited to bidirectional voltage translation, not suitable for unidirectional applications - May require additional external components for specific system requirements

Working Principles

The SN74ALVCHR16269ALR utilizes a combination of CMOS and BiCMOS technologies to achieve bidirectional voltage translation. It features a built-in automatic direction control circuit that determines the direction of data flow based on the input signals. When the voltage level on one side is higher than the other, the IC translates the signals from the high-voltage domain to the low-voltage domain, and vice versa.

Detailed Application Field Plans

The SN74ALVCHR16269ALR is commonly used in various applications where voltage translation between different logic levels is required. Some typical application fields include:

1. Microcontrollers and microprocessors interfacing with different voltage peripherals
2. Communication systems involving multiple voltage domains
3. Industrial automation and control systems
4. Battery-powered devices with low-power requirements
5. Consumer electronics and portable devices

Detailed and Complete Alternative Models

1. SN74LVC1T45: Unidirectional voltage translator with 1-bit capacity
2. SN74AVC4T245: Bidirectional voltage translator with 4-bit capacity
3. SN74LVCHT245A: Octal bus transceiver with voltage translation capability
4. SN74LVC8T245: 8-bit level shifter and bus transceiver
5. SN74AHCT125: Quad buffer/line driver with voltage translation feature

These alternative models offer similar functionality but may have different pin configurations, package options, or voltage range specifications.

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