Equivalent & Substitute Parts for 853S310CVILF

Part Overview

The 853S310CVILF is a Clock Fanout Buffer (Distribution) Multiplexer IC manufactured by Renesas Electronics Corporation, designed for 1:8 clock distribution at frequencies up to 2 GHz. This device features differential inputs and outputs, supporting multiple input standards including CML, LVDS, LVPECL, and SSTL, with ECL and LVPECL output options. The part is classified as Obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

853S310CVILF

Renesas Electronics CorporationIn Stock: 1196853S310CVILF Datasheet

Current PartRFQ

SY58032UMG

Microchip TechnologyIn Stock: 1840SY58032UMG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 853S310CVILF is determined by the following critical parameters:

• Functional Configuration: 1:8 input-to-output ratio with differential input and output capability
• Frequency Performance: Maximum operating frequency of 2 GHz or higher
• Input/Output Standards: Support for differential signal standards (LVPECL minimum requirement for output compatibility)
• Supply Voltage Range: Compatibility with 3V to 3.8V supply or overlapping range
• Operating Temperature Range: -40°C to 85°C industrial grade
• Surface Mount Packaging: Modern QFN or equivalent surface mount alternatives
• Compliance: ROHS3 compliance and EAR99 classification

The SY58032UMG from Microchip Technology meets these substitution criteria with enhanced specifications, including higher maximum frequency (4 GHz), improved supply voltage range (2.375V ~ 3.6V), and modern 32-VFQFN packaging.

Parameter Comparison

Engineering Selection Recommendations

The SY58032UMG is a direct functional substitute for the 853S310CVILF based on the following engineering criteria:

Functional Equivalence: Both devices provide 1:8 clock distribution with differential input and output capability, meeting the core functional requirement of the original design.

Compliance and Certification: Both parts maintain ROHS3 compliance and EAR99 classification, ensuring regulatory continuity in applications requiring these certifications.

Product Status Advantage: The SY58032UMG is classified as Active, providing long-term availability and manufacturing support, whereas the 853S310CVILF is Obsolete. This transition is necessary for sustained production and supply chain reliability.

Enhanced Performance Margin: The SY58032UMG operates at 4 GHz maximum frequency, providing a 2x performance margin over the 2 GHz specification of the original part. This allows for future design flexibility without component replacement.

Improved Moisture Handling: The SY58032UMG features MSL 2 (1 Year) compared to MSL 3 (168 Hours), reducing moisture-related handling constraints during manufacturing and storage.

Package Transition: Migration from 28-LCC to 32-VFQFN represents a transition to modern surface mount technology with improved thermal characteristics and manufacturing compatibility with current PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SY58032UMG directly replace the 853S310CVILF without design modifications?

A: The SY58032UMG provides functional equivalence in 1:8 clock distribution with differential signaling. However, the package change from 28-LCC to 32-VFQFN requires PCB layout redesign. The input standard compatibility (CML, LVDS, LVPECL) is maintained, though SSTL input support is not available on the substitute. Output is limited to LVPECL; ECL output is not supported.

Q: What are the key differences in electrical specifications?

A: The SY58032UMG operates at higher maximum frequency (4 GHz vs. 2 GHz) and supports a lower minimum supply voltage (2.375V vs. 3V). The supply voltage range overlap occurs between 3V and 3.6V, where both devices are operational. Operating temperature range remains identical at -40°C to 85°C.

Q: Are there input standard compatibility concerns?

A: The 853S310CVILF supports SSTL input, which is not listed for the SY58032UMG. If SSTL input is required, alternative substitutes must be evaluated. For CML, LVDS, and LVPECL inputs, the SY58032UMG is fully compatible.

Q: What is the impact of the package change?

A: The transition from 28-LCC (J-Lead) to 32-VFQFN requires new PCB footprint design, updated assembly programming, and thermal management evaluation. The 32-VFQFN package includes an exposed pad for improved thermal dissipation.

Q: Is the SY58032UMG suitable for legacy system repairs?

A: Yes, provided that PCB rework capability exists for the new package footprint and that input/output signal standards are compatible with the original design. The functional 1:8 distribution capability and differential signaling support make it suitable for legacy applications.

Q: What compliance certifications are maintained?

A: Both the 853S310CVILF and SY58032UMG maintain ROHS3 compliance and EAR99 classification, ensuring regulatory continuity for applications requiring these certifications.