ICS1893BFT Equivalent & Substitute Parts

Part Overview

The ICS1893BFT is an Ethernet Physical Layer Controller designed for 10/100 Base-T/TX applications with parallel interface connectivity. This component operates as a PHYceiver™ series device in a 48-SSOP package configuration. The ICS1893BFT is classified as obsolete, necessitating identification of active equivalent parts for ongoing design requirements and production continuity.

Substiute Parts

ICS1893BFT

Renesas Electronics CorporationIn Stock: 1542ICS1893BFT Datasheet

Current PartRFQ

1893CFLFT

Renesas Electronics CorporationIn Stock: 19851893CFLFT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ICS1893BFT is determined by strict equivalence across the following critical parameters:

• Protocol: Ethernet
• Function: Physical Layer Controller
• Interface Type: Parallel
• Standards Compliance: 10/100 Base-T/TX PHY
• Voltage Supply Range: 3.14V ~ 3.47V
• Operating Temperature Range: 0°C ~ 70°C
• Package Configuration: 48-BSSOP (0.295", 7.50mm Width)
• Supplier Device Package: 48-SSOP

The substitute part 1893CFLFT maintains full parametric equivalence across all electrical and mechanical specifications, enabling direct functional replacement in applications currently utilizing the ICS1893BFT.

Parameter Comparison

Engineering Selection Recommendations

The 1893CFLFT is the direct parametric equivalent for the obsolete ICS1893BFT. Selection of the 1893CFLFT is supported by the following factors:

• Full electrical equivalence across voltage supply, operating temperature, and functional specifications
• Identical package and pinout configuration (48-SSOP)
• Active product status ensuring ongoing availability and supply chain continuity
• RoHS3 compliance providing enhanced environmental and regulatory alignment
• Maintained REACH unaffected status and EAR99 export classification

The difference in Moisture Sensitivity Level (MSL 1 versus MSL 3) reflects manufacturing process updates in the active variant and does not affect functional compatibility or electrical performance in standard operating environments.

Frequently Asked Questions (FAQ)

Q: Can the 1893CFLFT directly replace the ICS1893BFT in existing designs?

A: Yes. The 1893CFLFT maintains full parametric equivalence in all critical electrical and mechanical specifications, including voltage supply range, operating temperature, interface type, and package configuration. Direct substitution is supported without design modification.

Q: What is the significance of the different MSL ratings between these parts?

A: The ICS1893BFT carries MSL 1 (unlimited moisture exposure tolerance), while the 1893CFLFT carries MSL 3 (168-hour moisture exposure tolerance). This difference reflects manufacturing process evolution and does not impact functional performance or electrical characteristics. Standard handling and storage practices for MSL 3 components are sufficient for typical applications.

Q: Why is the ICS1893BFT classified as obsolete?

A: Obsolete status indicates the part is no longer manufactured or supported by Renesas Electronics Corporation. The 1893CFLFT represents the active continuation of this product line and is the recommended selection for new designs and production continuity.

Q: Are there any compliance differences between these parts?

A: The 1893CFLFT includes RoHS3 compliance certification, whereas RoHS status is not specified for the ICS1893BFT. Both parts maintain identical REACH unaffected status and EAR99 export classification. The enhanced compliance profile of the 1893CFLFT supports modern regulatory requirements.

Q: What inventory status should be considered for procurement?

A: The ICS1893BFT has 1504 pieces available as new original stock. The 1893CFLFT has 1964 pieces available as new original stock. For ongoing production requirements, the 1893CFLFT is the recommended selection due to active product status and superior long-term availability.