Renesas 9214DGLF XDR Clock Generator - Equivalent & Substitute Parts

Part Overview

The Renesas 9214DGLF is an Extreme Data Rate (XDR™) Clock/Frequency Generator IC designed for RDRAM memory applications. This 28-TSSOP surface mount device generates a single clock output with a 1:4 input-to-output ratio at a maximum frequency of 500MHz. The part is classified as obsolete, making identification of functionally equivalent substitutes essential for system maintenance, repair, and legacy design support.

Substiute Parts

9214DGLF

Renesas Electronics CorporationIn Stock: 10579214DGLF 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 9214DGLF is determined by strict alignment of the following electrical and mechanical parameters:

• Package Compatibility: Both substitute parts maintain the 28-TSSOP form factor, ensuring direct PCB footprint compatibility
• Functional Architecture: All parts feature PLL-based clock generation with differential input and output signaling for XDR memory applications
• Input:Output Ratio: Maintained at 1:4 across all parts
• Supply Voltage Range: All parts operate within 2.375V ~ 2.625V, ensuring power supply compatibility
• Differential Signaling: Input and output differential configuration is consistent across all parts
• RoHS and Compliance: All parts meet ROHS3 compliance and REACH unaffected status

The Texas Instruments CDCD5704PW and CDCD5704PWR represent the primary equivalent alternatives. Both are manufacturer-recommended substitutes for XDR memory clock generation applications.

Parameter Comparison

Engineering Selection Recommendations

Both Texas Instruments CDCD5704PW and CDCD5704PWR are direct functional equivalents for the Renesas 9214DGLF in XDR memory clock generation applications. Selection between these two Texas Instruments variants should be based on availability and supply chain requirements, as they are electrically and mechanically identical.

The CDCD5704PWR variant offers higher inventory availability (3239 units) compared to CDCD5704PW (1435 units), making it the preferred choice for procurement when supply continuity is a consideration.

All three parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for legacy system support and repair operations. The higher maximum frequency rating of the Texas Instruments parts (800MHz versus 500MHz) provides additional operational margin in applications operating at or near the 500MHz specification of the original Renesas device.

Frequently Asked Questions (FAQ)

Q: Can the Texas Instruments CDCD5704PW or CDCD5704PWR be used as direct replacements for the Renesas 9214DGLF?

A: Yes. Both Texas Instruments parts are functionally equivalent substitutes. They maintain identical package geometry (28-TSSOP), supply voltage range (2.375V ~ 2.625V), input:output ratio (1:4), and differential signaling configuration. Direct PCB footprint compatibility is confirmed.

Q: What is the difference between CDCD5704PW and CDCD5704PWR?

A: Both parts are electrically and mechanically identical. The primary difference is inventory availability and packaging designation. CDCD5704PWR is the tape-and-reel variant with higher stock levels. Selection should be based on procurement and assembly requirements.

Q: Are there operating temperature differences between the Renesas 9214DGLF and the Texas Instruments substitutes?

A: Yes. The Renesas 9214DGLF operates from 0°C to 85°C, while both Texas Instruments parts operate from 0°C to 70°C. For applications requiring operation above 70°C, the Renesas part specification must be maintained. For standard industrial applications within 0°C to 70°C, the Texas Instruments substitutes are fully compatible.

Q: Do the Texas Instruments substitutes support the same frequency range as the Renesas 9214DGLF?

A: The Texas Instruments CDCD5704PW and CDCD5704PWR support a maximum frequency of 800MHz, compared to 500MHz for the Renesas 9214DGLF. This higher frequency capability provides operational margin and does not create compatibility issues in applications designed for 500MHz operation.

Q: Are all three parts RoHS compliant?

A: Yes. The Renesas 9214DGLF and both Texas Instruments substitutes (CDCD5704PW and CDCD5704PWR) are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.