ICS1893BFI

Controllers Overview

The ICS1893BFI is a low-power, fully integrated physical-layer device (PHY) compliant with ISO/IEC 10Base-T and 100Base-TX Ethernet standards. It supports data rates of 10 Mb/s and 100 Mb/s in half-duplex or full-duplex modes. The device operates on a single 3.3V power supply, consuming typically 400 mW during active operation and approximately 21 mW in power-down mode. It features a Media Independent Interface (MII) for MAC connectivity and includes Auto-MDI/MDIX crossover correction. The PHY integrates PCS, PMA, PMD, and Auto-Negotiation sublayers within a 48-lead SSOP package.

Controllers Feature Summary

• Integrates DSP-based Physical-Medium Dependent (PMD) sublayer functions including adaptive equalization and baseline-wander correction to handle cable attenuation exceeding 24 dB at 100 MHz.
• Supports automatic polarity correction and Auto-MDI/MDIX functionality to eliminate crossover errors in plant wiring without manual intervention.
• Provides comprehensive management capabilities via a Serial Management Interface for exchanging command and status information with Station-Management entities.

Controllers Applications

• Network Interface Cards (NIC)
• PC Motherboards
• Ethernet Switches and Routers
• DSL and Cable Modems

Controllers Procurement Notes

Verify the specific ordering suffix 'I' against the manufacturer's current documentation to confirm industrial temperature range qualification (-40°C to +85°C). Ensure the procurement source provides the latest revision data sheet, as IDT reserves the right to modify device data without notice. Confirm that the component meets lead-free requirements if RoHS compliance is mandatory for the assembly process.

Controllers Selection Notes

Select this component for designs requiring a single-chip solution for 10/100 Mbps Ethernet connectivity with MII interface compatibility. It is suitable for applications needing automatic crossover correction and low power consumption. Verify that the system design accommodates the 48-pin SSOP footprint and that the available clock sources meet the reference input timing specifications defined in the electrical characteristics section.

Controllers Part Context

The ICS1893BFI belongs to the PHYceiver™ series of integrated Ethernet PHY devices originally manufactured by Integrated Device Technology (IDT), which was later acquired by Renesas Electronics Corporation. This specific part number represents the industrial temperature variant of the ICS1893BF, packaged in a 48-lead Small Outline Shrink Package (SSOP). It shares core silicon performance with other variants in the family but differs in environmental rating and packaging.

Controllers Replacement Considerations

The datasheet explicitly states that the ICS1893BFI is not a pin-for-pin replacement for the ICS1893AF. Designers must utilize a dual-footprint layout or consult application notes for transition strategies when replacing older variants. No direct cross-model substitutes are listed in the provided documentation.