SN74LVCHR16245ALR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 16-bit bidirectional level shifter and bus transceiver
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74LVCHR16245ALR is a versatile IC that allows bidirectional voltage level shifting between different logic levels, making it suitable for interfacing between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Voltage Levels: 1.65V to 5.5V
• Input/Output Voltage Range: 0V to VCC
• Maximum Data Rate: 100 Mbps
• Number of Channels: 16
• Output Drive Strength: ±12 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCHR16245ALR has a total of 48 pins, which are arranged as follows:

• Pins 1-8: Channel A Data Inputs/Outputs (A1-A8)
• Pins 9-16: Channel B Data Inputs/Outputs (B1-B8)
• Pins 17-24: Channel Enable Inputs (OE1-OE8)
• Pins 25-32: Channel Direction Control Inputs (DIR1-DIR8)
• Pins 33-40: Supply Voltage (VCC, GND)
• Pins 41-48: Channel Output Enable Inputs (OEAB1-OEAB8)

Functional Features

• Bidirectional Level Shifting: Allows voltage translation between two different logic levels.
• Bus Transceiver: Enables bidirectional data transfer between two buses with different voltage levels.
• Automatic Direction Control: The DIR inputs determine the direction of data flow.
• Output Enable Control: The OE inputs enable/disable the outputs.
• ESD Protection: Provides electrostatic discharge protection for reliable operation.

Advantages and Disadvantages

Advantages: - Wide voltage range compatibility - High-speed data transfer - Multiple channels for versatile applications - ESD protection for enhanced reliability

Disadvantages: - Relatively large package size - Limited maximum data rate compared to some other ICs

Working Principles

The SN74LVCHR16245ALR operates by using a combination of level shifting circuitry and bidirectional transceivers. It detects the logic levels of the input signals and translates them to the desired output voltage level. The direction of data flow is controlled by the DIR inputs, while the OE inputs enable or disable the outputs.

Detailed Application Field Plans

The SN74LVCHR16245ALR finds applications in various fields where voltage level translation and bus transceiver functionality are required. Some potential application areas include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: Enabling data exchange between devices with varying logic voltage requirements.
3. IoT Devices: Bridging the gap between sensors and microcontrollers with different voltage levels.
4. Communication Systems: Level shifting between different communication protocols and voltage domains.
5. Automotive Electronics: Interfacing between components operating at different voltage levels in automotive systems.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing.
2. PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator.
3. SN74LVC8T245PW: 8-bit Dual-Supply Bus Transceiver with Configurable Voltage Translation.

These alternative models offer similar functionality to the SN74LVCHR16245ALR and can be considered as alternatives based on specific requirements.

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