ISL33001IRT2Z-T

Signal Buffers, Repeaters, Splitters Overview

The ISL33001IRT2Z-T is a single-channel I2C bus buffer manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of +2.3V to +5.5V and supports data rates exceeding 400kHz. The device features rise time accelerators, hot-swap capability, and logic level shifting for mixed-voltage applications. It provides ±6kV Class 3 HBM ESD protection on all pins, with ±12kV HBM protection specifically on the SDA and SCL lines. Typical operating current is 2.1mA, while shutdown current is 0.5μA. The component is housed in an 8-lead TDFN (3mm x 3mm) package with an exposed pad, suitable for surface mount installation.

Signal Buffers, Repeaters, Splitters Feature Summary

• Integrated rise time accelerator circuitry reduces passive pull-up resistor power consumption and enhances data rate performance.
• Built-in hot-swap protection prevents damage to data and clock lines during insertion into live backplanes.
• Provides bidirectional buffering to extend bus capacitance beyond the standard I2C specification limit of 400pF.
• Supports logic level translation for applications utilizing mixed power supply voltages.

Signal Buffers, Repeaters, Splitters Applications

• I2C bus expansion and capacitance buffering
• Server rack isolation in telecommunications, data communication, and computer server systems
• Hot-swap circuit board insertion and bus isolation

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific ordering suffix 'T' confirms the reel packaging format, as this affects handling procedures. Confirm the industrial temperature grade (-40°C to +85°C) aligns with environmental requirements. Ensure the TDFN-EP-8 package footprint matches the PCB design constraints. Validate RoHS compliance status through official manufacturer documentation prior to integration.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when a single-channel I2C buffer is required for systems needing hot-swap protection and extended bus capacitance. Compare against the dual-channel ISL33002 if two independent buffers are necessary. Consider the MSOP package option if leaded mounting is preferred over the TDFN exposed pad configuration. Verify that the 2.3V minimum supply voltage meets the lowest system rail requirement.

Signal Buffers, Repeaters, Splitters Part Context

This part belongs to the ISL3300x family of I2C bus buffers, which also includes the dual-channel ISL33002 and the ISL33003. These devices share common functional blocks such as rise time acceleration and hot-swap protection but differ in channel count and pinout configurations. The family addresses the need for robust signal integrity in high-capacitance I2C networks.

Signal Buffers, Repeaters, Splitters Replacement Considerations

The ISL33002 serves as a dual-channel alternative within the same product family. Cross-referencing pinouts is essential due to potential differences between single and dual-channel variants. Verify that any substitute maintains the same TDFN-EP-8 package dimensions and thermal characteristics to ensure mechanical compatibility.