SN74ALVCH16245DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter/Buffer
• Characteristics: Bi-directional, 16-bit, voltage level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Channels: 16
• Input Voltage Range: 1.2V to 3.6V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Data Rate: 400 Mbps
• Supply Voltage Range: 1.65V to 3.6V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCH16245DLR 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 inputs/outputs (A1-A12)
• Group B (pins 13-24): Channel 2 data inputs/outputs (B1-B12)
• Group C (pins 25-36): Channel 3 data inputs/outputs (C1-C12)
• Group D (pins 37-48): Channel 4 data inputs/outputs (D1-D12)

Functional Features

• Bi-directional voltage level translation between two voltage domains
• Supports bidirectional data flow with non-inverting outputs
• Provides voltage translation for both push-pull and open-drain applications
• Low power consumption and high-speed operation
• 3-state outputs for easy bus sharing

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• High-speed data transmission up to 400 Mbps
• Bi-directional functionality simplifies system design
• Low power consumption for energy-efficient applications
• 3-state outputs enable easy bus sharing

Disadvantages

• Limited number of channels (16) may not be sufficient for certain applications
• TSSOP package may require careful handling during assembly

Working Principles

The SN74ALVCH16245DLR is designed to translate signals between two voltage domains. It utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage level translation. The inputs are compatible with both TTL and CMOS logic levels, allowing seamless integration into various systems.

Detailed Application Field Plans

The SN74ALVCH16245DLR is commonly used in applications where voltage level translation is required. Some of the typical application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels.
2. Communication systems: It enables signal translation between different communication protocols or standards.
3. Data acquisition systems: The IC facilitates voltage level translation in data acquisition circuits.
4. Industrial automation: It finds applications in industrial control systems that require voltage level conversion.
5. Automotive electronics: The IC is suitable for automotive applications that involve multiple voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar 8-bit bi-directional voltage level translator with a smaller package size.
2. SN74LVCH16244A: 16-bit non-inverting buffer with 3-state outputs for bus-oriented applications.
3. SN74AVC4T245: 4-bit level shifter with integrated voltage translation and direction control.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

In conclusion, the SN74ALVCH16245DLR is a 16-bit bi-directional voltage level translator IC. It provides efficient and reliable signal translation between different voltage domains, making it suitable for a wide range of applications. With its high-speed operation, low power consumption, and compatibility with various logic levels, it offers a versatile solution for voltage level translation needs.