ICS9FG104DFLF Equivalent & Substitute Parts

Part Overview

The ICS9FG104DFLF is a Clock/Frequency Synthesizer IC manufactured by Renesas Electronics Corporation, designed for Intel CPU Server, PCI Express (PCIe), and SATA applications. This 28-SSOP surface mount device generates a 400MHz output from clock or crystal input using a Phase-Locked Loop (PLL) architecture with spread spectrum capability.

The ICS9FG104DFLF is classified as Obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support legacy system maintenance and production requirements.

Substiute Parts

ICS9FG104DFLF

Renesas Electronics CorporationIn Stock: 2474ICS9FG104DFLF Datasheet

Current PartRFQ

9FG104EFLF

Renesas Electronics CorporationIn Stock: 15179FG104EFLF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ICS9FG104DFLF is determined by strict equivalence across the following critical parameters:

• Package / Case: 28-SSOP (0.209", 5.30mm Width) — physical and electrical compatibility
• Frequency - Max: 400MHz — output frequency specification
• Output Type: HCSL — signal standard compatibility
• Number of Circuits: 1 — functional architecture
• Ratio - Input:Output: 1:5 — frequency multiplication factor
• Voltage - Supply: 3.135V ~ 3.465V — power supply compatibility
• Operating Temperature: 0°C ~ 70°C — thermal operating range
• PLL Architecture: Yes — Phase-Locked Loop functionality
• Input Type: Clock, Crystal — input signal compatibility
• Mounting Type: Surface Mount — PCB assembly compatibility

The substitute part 9FG104EFLF maintains identical electrical and mechanical specifications across all critical parameters, ensuring direct functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

The 9FG104EFLF is a direct functional equivalent to the ICS9FG104DFLF. Both parts are manufactured by Renesas Electronics Corporation and maintain identical electrical and mechanical specifications across all critical parameters.

The primary distinction is product status: the ICS9FG104DFLF is Obsolete, while the 9FG104EFLF is Active. The 9FG104EFLF carries ROHS3 compliance certification, providing enhanced environmental and regulatory alignment for new designs and ongoing production.

For applications requiring the ICS9FG104DFLF, the 9FG104EFLF provides equivalent performance with improved supply chain availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the 9FG104EFLF directly replace the ICS9FG104DFLF in existing designs?

A: Yes. Both parts share identical electrical specifications (400MHz output, HCSL signal standard, 1:5 frequency ratio, 3.135V–3.465V supply voltage, 0°C–70°C operating range) and mechanical specifications (28-SSOP package, surface mount). No design modifications are required.

Q: What is the difference between ICS9FG104DFLF and 9FG104EFLF?

A: The parts are electrically and mechanically equivalent. The primary differences are product status (Obsolete vs. Active) and RoHS compliance (9FG104EFLF is ROHS3 Compliant). Both are manufactured by Renesas Electronics Corporation.

Q: Are there packaging differences between these parts?

A: Both parts use the 28-SSOP package (0.209", 5.30mm Width). The ICS9FG104DFLF packaging is not specified; the 9FG104EFLF is supplied in Tube packaging. Both are surface mount devices with identical footprints and pinouts.

Q: What does the 1:5 input-to-output ratio mean?

A: The part multiplies the input frequency by 5. For example, a 80MHz input generates a 400MHz output. Both parts maintain this identical ratio.

Q: Is the 9FG104EFLF suitable for new production designs?

A: Yes. The 9FG104EFLF is Active status with ROHS3 compliance, making it suitable for new designs requiring Intel CPU Server, PCI Express (PCIe), and SATA clock generation.