SN412016DRG4

Overview

The SN412016DRG4 is a high-speed, low-power 16-bit universal I/O port manufactured by Texas Instruments. It features an SPI-compatible serial interface for data input and output operations. The device operates within a supply voltage range of 3.0V to 5.5V, ensuring compatibility with standard logic families. It includes internal pull-up resistors on the input lines and supports bidirectional data transfer. The component is designed for applications requiring multiple digital I/O expansion through a minimal pin count interface.

Feature Summary

• Provides 16 bits of general-purpose digital input and output capability
• Utilizes a standard SPI-compatible serial interface for communication
• Operates with low power consumption suitable for battery-powered systems
• Includes internal pull-up resistors to simplify circuit design

Applications

• Embedded systems requiring additional digital I/O pins
• Industrial control panels for sensor and actuator interfacing
• Consumer electronics devices needing expanded connectivity
• Automotive instrumentation modules

Procurement Notes

Verify the specific package type and tape-and-reel configuration when ordering. Confirm that the operating temperature range meets your system requirements. Ensure compatibility with your microcontroller's SPI clock speeds and voltage levels. Check for any specific handling instructions related to electrostatic discharge protection during assembly.

Selection Notes

Choose this component when a large number of digital I/O lines are needed without consuming excessive microcontroller pins. Consider its speed limitations compared to parallel interfaces. Evaluate power consumption against other available I/O expanders. Verify that the SPI interface matches your existing controller capabilities.

Part Context

This part belongs to Texas Instruments' family of serial I/O expanders. It offers a cost-effective solution for expanding digital connectivity in space-constrained designs. The DRG4 suffix indicates a specific tape-and-reel packaging option intended for automated assembly processes.

Replacement Considerations

Direct replacements may include other 16-bit SPI I/O expanders from various manufacturers. Ensure pin compatibility and register mapping similarities if swapping directly. Verify electrical characteristics such as current drive capability and voltage thresholds match the original design requirements.