Renesas 9214DGLFT XDR Clock Generator - Equivalent & Substitute Parts

Part Overview

The Renesas 9214DGLFT is an Extreme Data Rate (XDR™) Clock/Frequency Generator and Fanout Buffer IC designed for RDRAM memory applications. This 28-TSSOP surface mount device generates a single differential clock output from a differential clock input with a 1:4 input-to-output ratio at 500MHz maximum frequency. The part is classified as obsolete, making equivalent substitutes necessary for ongoing system maintenance and new design implementations where XDR memory support is required.

Substiute Parts

9214DGLFT

Renesas Electronics CorporationIn Stock: 17669214DGLFT Datasheet

Current PartRFQ

CDCD5704PW

Texas InstrumentsIn Stock: 1480CDCD5704PW Datasheet

MFR RecommendedRFQ

CDCD5704PWR

Texas InstrumentsIn Stock: 3254CDCD5704PWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the Renesas 9214DGLFT is determined by strict alignment of the following electrical and mechanical parameters:

Critical Substitution Parameters:

• Package / Case: 28-TSSOP form factor (0.173", 4.40mm Width)
• Mounting Type: Surface Mount
• Main Purpose: Memory, RDRAM; Extreme Data Rate (XDR™)
• Input / Output Type: Differential / Differential
• Ratio - Input:Output: 1:4
• Voltage - Supply: 2.375V ~ 2.625V
• PLL: Yes

The Texas Instruments CDCD5704PW and CDCD5704PWR satisfy all critical substitution parameters. Both parts are XDR clock generators with identical package specifications, differential input/output configuration, 1:4 ratio, and matching supply voltage range. The primary difference between these substitutes and the main part is the maximum frequency specification (800MHz versus 500MHz), which represents an upward-compatible capability. Both substitute parts are ROHS3 compliant and carry MSL 1 rating, matching the environmental compliance profile of the original part.

Parameter Comparison

Engineering Selection Recommendations

Both Texas Instruments CDCD5704PW and CDCD5704PWR are functionally equivalent substitutes for the Renesas 9214DGLFT based on electrical and mechanical parameter alignment. Selection between the two Texas Instruments variants should be based on inventory availability and packaging requirements, as both parts carry identical electrical specifications and compliance certifications.

The operating temperature range of the substitute parts (0°C ~ 70°C) is narrower than the original part (0°C ~ 85°C). Applications requiring operation above 70°C must evaluate thermal management or seek alternative solutions. The higher maximum frequency rating (800MHz) of the substitute parts provides additional performance headroom for XDR memory clock generation applications.

All three parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can CDCD5704PW and CDCD5704PWR be used interchangeably with the Renesas 9214DGLFT?

A: Yes, both Texas Instruments parts are functionally equivalent substitutes. They share identical package specifications (28-TSSOP), differential input/output configuration, 1:4 clock ratio, and supply voltage range (2.375V ~ 2.625V). The primary difference is the operating temperature range, which is narrower in the substitute parts.

Q: What is the difference between CDCD5704PW and CDCD5704PWR?

A: Both parts are identical in electrical specifications and compliance ratings. The difference lies in packaging designation and inventory availability. Selection should be based on supply chain requirements and part availability.

Q: Does the higher maximum frequency (800MHz) of the substitute parts affect compatibility?

A: No. The 800MHz maximum frequency of the CDCD5704 series represents an upward-compatible capability. Systems designed for 500MHz operation will function correctly with these substitutes, as they support the full frequency range of the original part.

Q: Are there temperature limitations when using the substitute parts?

A: The substitute parts operate within 0°C ~ 70°C, compared to the original part's 0°C ~ 85°C range. Applications requiring operation above 70°C must evaluate thermal management strategies or alternative solutions.

Q: Do the substitute parts meet the same compliance standards?

A: Yes. Both CDCD5704PW and CDCD5704PWR are ROHS3 compliant with MSL 1 rating, matching the environmental and regulatory compliance profile of the Renesas 9214DGLFT.