PI4IOE5V96248ZLEX

I/o Expanders Overview

The PI4IOE5V96248ZLEX is a 48-bit I/O expander from Diodes Incorporated, operating on the I2C bus with Fast-mode Plus support up to 1 MHz. It functions within a supply voltage range of 2.3 V to 5.5 V and features 5.0 V tolerant inputs. The device provides latched outputs capable of 25 mA sink current per pin and a total package sink capacity of 1200 mA, suitable for direct LED driving. It includes an active LOW open-drain interrupt output and utilizes three address pins (AD0-AD2) to configure one of 64 programmable slave addresses. The component is housed in a 56-pin, 7 mm x 7 mm TQFN package.

I/o Expanders Feature Summary

• Supports high-speed I2C communication at frequencies up to 1 MHz
• Provides high-current drive capability with individual 25 mA sinks and 1200 mA total package capacity
• Features an active LOW open-drain interrupt line for efficient microcontroller notification
• Offers extensive address flexibility with 64 unique configurations via hardware pins

I/o Expanders Applications

• Remote I/O expansion for microcontroller systems requiring numerous digital ports
• Direct LED matrix or indicator arrays utilizing high sink current capabilities
• Complex embedded systems needing multiple independent input/output channels

I/o Expanders Procurement Notes

Verify the specific ordering suffix ZLEX corresponds to the Tape/Reel packaging format as defined by the manufacturer. Confirm that the procurement channel is authorized to ensure product authenticity and compliance with RoHS and lead-free standards. Cross-reference the document revision DS40436 Rev 2-2 to ensure alignment with current technical specifications before finalizing orders.

I/o Expanders Selection Notes

Select this component when system design requires a large number of quasi-bidirectional I/O lines without using external buffers. Ensure the host microcontroller supports I2C Fast-mode Plus protocols to utilize the 1 MHz clock speed. Verify that the PCB layout accommodates the 56-pin TQFN package dimensions and thermal requirements for the specified power dissipation limits.

I/o Expanders Part Context

This part belongs to the PI4IOE5V series of I/O expanders designed for general-purpose remote I/O expansion. It shares architectural similarities with other devices in the family but distinguishes itself through its 48-bit port count and enhanced current drive capabilities. The series targets applications demanding high-density I/O management over standard serial buses.

I/o Expanders Replacement Considerations

Consult official substitution guides for compatible parts within the same product family. Verify pinout compatibility and electrical parameter alignment, specifically regarding maximum sink currents and operating voltage ranges, before implementing any alternative components.