Equivalent & Substitute Parts for 23S08-2DCGI8

Part Overview

The Renesas Electronics 23S08-2DCGI8 is a Clock Multiplier with Zero Delay Buffer IC designed for 133.3MHz operation in a 16-SOIC surface mount package. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations. The part operates with LVTTL input and provides both CMOS and LVTTL output options, supporting a 1:8 input-to-output ratio with integrated PLL and bypass functionality.

Substiute Parts

23S08-2DCGI8

Renesas Electronics CorporationIn Stock: 113123S08-2DCGI8 Datasheet

Current PartRFQ

CDCVF25081D

Texas InstrumentsIn Stock: 1190CDCVF25081D Datasheet

MFR RecommendedRFQ

CDCVF25081DR

Texas InstrumentsIn Stock: 6366CDCVF25081DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 23S08-2DCGI8 are identified based on the following critical parameters that determine functional compatibility:

Mandatory Compatibility Criteria:

• Package / Case: 16-SOIC (0.154", 3.90mm Width) — ensures mechanical and electrical pin compatibility
• Voltage - Supply: 3V ~ 3.6V — maintains power supply compatibility
• Operating Temperature: -40°C ~ 85°C — ensures thermal operating range alignment
• Input Type: LVTTL — preserves signal input compatibility
• Output Type: LVTTL — maintains output signal compatibility
• PLL with Bypass: Yes — functional feature requirement
• Number of Circuits: 1 — circuit count consistency
• Mounting Type: Surface Mount — assembly process compatibility

Allowable Variations:

• Frequency - Max: The substitute may exceed the original 133.3MHz specification, as higher frequency capability is backward compatible
• Ratio - Input:Output: The substitute ratio of 2:8 differs from the original 1:8, but both configurations support the required output frequency range within the specified operating parameters
• Divider/Multiplier: Substitute parts may have different divider/multiplier configurations while maintaining functional equivalence

The Texas Instruments CDCVF25081D and CDCVF25081DR are qualified substitutes based on matching all mandatory compatibility criteria and exceeding performance specifications.

Parameter Comparison

Engineering Selection Recommendations

CDCVF25081D and CDCVF25081DR Selection Basis:

Both Texas Instruments substitutes meet all mandatory electrical and mechanical compatibility requirements with the 23S08-2DCGI8. The substitutes provide enhanced performance with 200MHz maximum frequency capability, exceeding the original 133.3MHz specification while maintaining identical supply voltage, operating temperature range, and signal interface specifications.

Product Status Advantage: Both substitute parts carry Active product status, ensuring long-term availability and continued manufacturer support, contrasting with the Obsolete status of the original Renesas component.

Compliance Status: Both CDCVF25081D and CDCVF25081DR are ROHS3 Compliant, meeting current environmental and regulatory requirements.

Packaging Differentiation:

• CDCVF25081D: Supplied in Tube packaging
• CDCVF25081DR: Supplied in Cut Tape (CT) & Digi-Reel® / Tape & Reel (TR) packaging

Selection between these two substitutes depends on procurement and assembly requirements rather than functional performance.

Frequently Asked Questions (FAQ)

Q: Can CDCVF25081D and CDCVF25081DR be used interchangeably with 23S08-2DCGI8?

A: Yes. Both Texas Instruments parts are functionally equivalent substitutes. They share identical electrical specifications for supply voltage, operating temperature, input/output signal types, and package configuration. The primary difference is packaging format (Tube versus Tape & Reel).

Q: Why do the substitute parts have a higher maximum frequency (200MHz vs. 133.3MHz)?

A: Higher frequency capability in substitute parts is a performance enhancement that maintains backward compatibility. Systems designed for 133.3MHz operation will function correctly with components rated for 200MHz, as the higher rating provides additional performance margin.

Q: Are there any output signal differences between the original and substitute parts?

A: The original 23S08-2DCGI8 supports both CMOS and LVTTL outputs, while the CDCVF25081D and CDCVF25081DR provide LVTTL output only. For applications requiring CMOS output, this difference must be evaluated against system requirements.

Q: What is the significance of the different input-to-output ratios (1:8 vs. 2:8)?

A: Both ratio configurations support the required frequency ranges within the specified operating parameters. The ratio difference reflects different internal clock multiplication architectures between manufacturers but does not affect functional compatibility for the specified application.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both CDCVF25081D and CDCVF25081DR are ROHS3 Compliant, meeting current environmental regulations. The original 23S08-2DCGI8 RoHS status was not specified in available documentation.

Q: What packaging option should be selected for production assembly?

A: CDCVF25081DR (Tape & Reel) is recommended for high-volume production assembly due to automated handling compatibility. CDCVF25081D (Tube) is suitable for lower-volume applications or manual assembly processes.

Q: Is the MSL (Moisture Sensitivity Level) rating identical across all parts?

A: Yes. All three parts, including the original and both substitutes, carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage and handling.