SN74AVC16722DGGR

Product Overview

• Category: Integrated Circuit
• Use: Digital Logic Device
• Characteristics: High-speed, Low-power, 16-bit Bus Transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transceiver IC for bidirectional data transfer between two buses
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Logic Family: AVC
• Supply Voltage: 1.2V to 3.6V
• Input/Output Type: CMOS
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±12mA
• Propagation Delay: 2.5ns (Max)
• ESD Protection: Human Body Model > 2000V

Detailed Pin Configuration

The SN74AVC16722DGGR has a total of 56 pins, which are distributed as follows:

• VCC: Power supply voltage input
• GND: Ground reference
• OEAB, OEBA: Output Enable inputs for bus A and bus B, respectively
• DIR: Direction control input
• A1-A16: Data inputs/outputs for bus A
• B1-B16: Data inputs/outputs for bus B

For a detailed pin configuration diagram, please refer to the datasheet.

Functional Features

• Bidirectional data transfer between two independent buses (A and B)
• Automatic direction control based on the DIR input
• Output enable control for each bus (OEAB and OEBA)
• Supports hot insertion and removal of modules
• Low power consumption with high-speed operation
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing overall system energy usage - Bidirectional functionality simplifies bus communication - Schmitt-trigger inputs provide noise immunity, ensuring reliable operation

Disadvantages: - Limited to 16-bit data transfer, may not be suitable for larger bus systems - Requires careful consideration of voltage compatibility with other devices in the system

Working Principles

The SN74AVC16722DGGR is designed to facilitate bidirectional data transfer between two independent buses. The direction of data flow is controlled by the DIR input. When DIR is high, data flows from bus A to bus B, and when DIR is low, data flows from bus B to bus A.

The output enable signals (OEAB and OEBA) allow individual control over the tristate outputs of each bus. When an output enable signal is active, the corresponding bus can drive its outputs. Conversely, when an output enable signal is inactive, the outputs are in a high-impedance state.

The IC operates on a supply voltage ranging from 1.2V to 3.6V, making it compatible with various digital systems. It also incorporates Schmitt-trigger inputs, which provide noise immunity and ensure reliable operation even in noisy environments.

Detailed Application Field Plans

The SN74AVC16722DGGR is commonly used in applications that require bidirectional data transfer between two buses. Some typical application fields include:

1. Microcontrollers: Facilitating communication between different modules within a microcontroller-based system.
2. Data Acquisition Systems: Enabling data exchange between multiple sensors and a central processing unit.
3. Communication Interfaces: Supporting bidirectional data transfer between different communication protocols, such as UART, SPI, or I2C.
4. Memory Modules: Allowing data transfer between memory banks or between memory and a processor.

Detailed and Complete Alternative Models

1. SN74AVC16646DGGR: 16-bit bus transceiver with 3-state outputs and voltage translation capabilities.
2. SN74AVC4T245DGVR: 4-bit bus transceiver with level shifting and voltage translation features.
3. SN74AVC8T245PWR: 8-bit bus transceiver with integrated level shifters and voltage translation for mixed-voltage systems.

These alternative models offer similar functionality to the SN74AVC16722DGGR but may have different pin configurations, package types, or additional features.

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