ICS1893CFT

Controllers Overview

The ICS1893CFT is a fully integrated, low-power physical-layer device (PHY) compliant with ISO/IEC 10Base-T and 100Base-TX CSMA/CD Ethernet standards. It operates on a single 3.3V power supply and supports data rates of 10 Mb/s or 100 Mb/s in half-duplex or full-duplex modes. The device integrates the PCS, PMA, PMD, and Auto-Negotiation sublayers within a small footprint 48-lead SSOP package. It features DSP-based baseline wander correction and adaptive equalization to support Category 5 cables with attenuation exceeding 24 dB at 100 MHz.

Controllers Feature Summary

• Fully integrated PHY providing PCS, PMA, PMD, and Auto-Negotiation sublayer functions
• DSP-based PMD includes adaptive equalization and baseline-wander correction
• Supports Auto-MDI/MDIX crossover correction for automatic wiring error compensation
• Low-power CMOS design with typical active power of 400 mW and power-down mode of 21 mW

Controllers Applications

• NIC cards
• PC motherboards
• Switches and routers
• DSL and cable modems
• Industrial equipment

Controllers Procurement Notes

Verify the specific ordering suffix 'FT' against the manufacturer's current documentation to confirm package type and lead-free status. Confirm that the component remains available as the datasheet notes an End-of-Life date for non-green parts. Ensure compatibility with the required MAC interface and voltage levels before procurement.

Controllers Selection Notes

Select this component for applications requiring a cost-effective, single-chip solution for 10/100 Mbps Ethernet connectivity. It is suitable for designs needing Auto-MDI/MDIX functionality without external crossover components. Verify that the system architecture supports the Media Independent Interface (MII) and that the operating temperature range meets the environmental requirements.

Controllers Part Context

The ICS1893CF belongs to the Integrated Device Technology (IDT) PHYceiver family, which was later acquired by Renesas Electronics. This series provides integrated physical layer solutions for standard Ethernet networks. The device shares proven performance circuitry with related models like the ICS1893BF, serving as a pin-for-pin replacement while offering enhanced configurability and lower power consumption.

Controllers Replacement Considerations

The ICS1893CF is documented as a pin-for-pin replacement for the ICS1893BF. When substituting, verify that the legacy part's configuration matches the new device's default register states. Ensure that any custom board layouts designed for the older model remain compatible with the updated signal integrity requirements.