Encyclopedia Entry: 74ALVCH162244GRG4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: GRG4 (56-pin TSSOP)
• Essence: Translates signals between different voltage levels in electronic systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: ALVCH
• Number of Channels: 16
• Input Voltage Range (V_CC): 1.2V to 3.6V
• Output Voltage Range (V_CC): 1.2V to 3.6V
• Propagation Delay (t_pHL, t_pLH): 2.5ns (max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ALVCH162244GRG4 IC has a total of 56 pins, which are distributed 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 C Data Inputs/Outputs (C1-C8)
• Pins 25-32: Channel D Data Inputs/Outputs (D1-D8)
• Pins 33-40: Channel E Data Inputs/Outputs (E1-E8)
• Pins 41-48: Channel F Data Inputs/Outputs (F1-F8)
• Pins 49-56: Power Supply and Ground Pins

Functional Features

• Bidirectional voltage translation between different logic levels
• Supports high-speed data transmission
• Low power consumption
• Provides direction control for each channel
• 3-state outputs for easy bus sharing
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing overall system energy usage - Bidirectional capability simplifies signal translation between different voltage domains - ESD protection ensures robustness against electrostatic discharges

Disadvantages: - Limited to a specific number of channels (16 in this case) - Requires careful consideration of voltage compatibility with connected devices

Working Principles

The 74ALVCH162244GRG4 is designed to translate signals between different voltage levels in electronic systems. It utilizes a combination of level-shifting circuitry and bi-directional buffers to achieve bidirectional voltage translation. The IC operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the specified voltage range.

Detailed Application Field Plans

The 74ALVCH162244GRG4 finds applications in various fields where voltage translation is required, such as:

1. Microcontroller Interfacing: Facilitates communication between microcontrollers operating at different voltage levels.
2. Mixed Voltage Systems: Enables integration of components with varying voltage requirements in mixed voltage systems.
3. Communication Interfaces: Allows for signal translation between different voltage domains in communication interfaces like UART, SPI, I2C, etc.
4. Memory Interfaces: Provides voltage level translation between memory modules and controllers with different voltage specifications.

Detailed and Complete Alternative Models

1. SN74LVC244A: Octal Buffer/Line Driver with 3-State Outputs
2. MC74LVX244: Low-Voltage CMOS Octal Buffer/Line Driver with 3-State Outputs
3. 74LVC244A: Low-Voltage CMOS Octal Buffer/Line Driver with 5V Tolerant Inputs/Outputs

These alternative models offer similar functionality and can be considered as alternatives to the 74ALVCH162244GRG4 depending on specific requirements.

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