SN74ALVCH16500DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Buffer/Driver
• Characteristics: High-speed, low-voltage, 16-bit universal bus transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Logic Family: ALVCH
• Voltage Supply Range: 1.65V to 3.6V
• Input/Output Compatibility: TTL/CMOS
• Output Drive Capability: ±24mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCH16500DL has a total of 56 pins, which are divided into four groups:

Group A (Power Supply and Ground Pins)

• VCC (Pin 1): Positive power supply (+1.65V to +3.6V)
• GND (Pins 2, 27, 28, 53, 54): Ground

Group B (Data Bus Pins)

• A1-A16 (Pins 3-18): Data inputs from Bus A
• B1-B16 (Pins 19-34): Data inputs from Bus B
• Y1-Y16 (Pins 35-50): Data outputs to Bus A
• Z1-Z16 (Pins 51-66): Data outputs to Bus B

Group C (Control Pins)

• OEAB (Pin 19): Output Enable for Bus A
• OEBA (Pin 20): Output Enable for Bus B
• DIR (Pin 21): Direction Control

Group D (Voltage Level Translation Control Pins)

• VCCA (Pin 22): Voltage Supply for Bus A
• VCCB (Pin 23): Voltage Supply for Bus B

Functional Features

• Bidirectional data transfer between two independent buses
• Voltage level translation between different voltage domains
• High-speed operation with minimal propagation delay
• Output enable control for each bus
• Direction control for data flow selection

Advantages and Disadvantages

Advantages

• Supports bidirectional data transfer, enabling versatile applications
• Wide voltage supply range allows compatibility with various systems
• High-speed operation ensures efficient data transmission
• Output enable control provides flexibility in bus usage
• Direction control simplifies data flow management

Disadvantages

• Limited to 16-bit data transfer, may not be suitable for larger data sets
• Requires careful consideration of voltage compatibility between buses
• TSSOP package may be challenging for manual soldering or prototyping

Working Principles

The SN74ALVCH16500DL is designed to facilitate data transfer between two independent buses operating at different voltage levels. It utilizes voltage level translation circuitry to ensure seamless communication between these buses. The direction control pin determines the flow of data, while the output enable pins allow selective activation of each bus. By providing bidirectional data transfer and voltage level translation, this IC enables efficient and reliable communication between different parts of a system.

Detailed Application Field Plans

The SN74ALVCH16500DL finds applications in various fields where data transfer between different voltage domains is required. Some potential application areas include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Memory Systems: Enabling data transfer between memory modules with varying voltage requirements.
3. Communication Interfaces: Supporting bidirectional data exchange between devices using different logic families.
4. Industrial Automation: Integrating sensors and actuators operating at different voltage levels into a unified control system.
5. Automotive Electronics: Enabling data transfer between different subsystems within a vehicle, such as infotainment and powertrain modules.

Detailed and Complete Alternative Models

1. SN74ALVC164245DL: 16-bit bus transceiver with voltage level translation capability.
2. SN74LVC1G07DBVR: Single buffer/driver with open-drain output for voltage level shifting.
3. SN74LVCH16245ADLR: 16-bit bus transceiver with direction control and voltage level translation.

These alternative models offer similar functionality to the SN74ALVCH16500DL and can be considered based on specific application requirements.

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