CDCLVP1208RHDT Equivalent & Substitute Parts

Part Overview

The CDCLVP1208RHDT is a Clock Fanout Buffer (Distribution), Multiplexer IC manufactured by Texas Instruments. This 2:8 clock distribution device operates at frequencies up to 2 GHz and is housed in a 28-VFQFN Exposed Pad surface mount package. The device is currently in active production status and is ROHS3 compliant.

Substitute parts are identified when product availability is limited, supply chain disruptions occur, or when equivalent electrical and mechanical specifications allow for direct replacement in circuit designs. The CDCLVP1208RHDT has documented parametric equivalents and manufacturer-recommended alternatives that maintain functional compatibility.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	CDCLVP1208RHDT
Type	Fanout Buffer (Distribution), Multiplexer
Ratio - Input:Output	2:8
Frequency - Max	2 GHz
Voltage - Supply	2.375V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	28-VFQFN Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the CDCLVP1208RHDT is determined by the following critical parameters:

Electrical Compatibility Requirements:

Input:Output Ratio: 2:8
Maximum Frequency: 2 GHz minimum
Differential Input and Output capability
Supply Voltage Range: Must encompass or overlap with 2.375V ~ 3.6V
Operating Temperature Range: -40°C ~ 85°C

Mechanical Compatibility Requirements:

Surface Mount package type
28-pin QFN form factor with exposed pad
Pin-to-pin compatibility

Compliance Requirements:

ROHS3 compliance
REACH Unaffected status

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications and package) and manufacturer-recommended alternatives (equivalent functionality with minor package or input specification variations).

Parameter Comparison

Parameter	CDCLVP1208RHDT (Main)	CDCLVP1208RHDR (Parametric Equivalent)	8SLVP1208ANBGI8 (MFR Recommended)
Manufacturer	Texas Instruments	Texas Instruments	Renesas Electronics Corporation
Type	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution), Multiplexer
Ratio - Input:Output	2:8	2:8	2:8
Differential - Input:Output	Yes/Yes	Yes/Yes	Yes/Yes
Frequency - Max	2 GHz	2 GHz	2 GHz
Voltage - Supply	2.375V ~ 3.6V	2.375V ~ 3.6V	2.375V ~ 3.465V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	28-VFQFN Exposed Pad	28-VFQFN Exposed Pad	28-WFQFN Exposed Pad
Supplier Device Package	28-VQFN (5x5)	28-VQFN (5x5)	28-VFQFPN (5x5)
Input Specifications	LVCMOS, LVDS, LVPECL, LVTTL	LVCMOS, LVDS, LVPECL, LVTTL	CML, LVDS, LVPECL
Output Specifications	LVPECL	LVPECL	LVPECL
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

CDCLVP1208RHDR (Parametric Equivalent): This Texas Instruments part is a direct parametric equivalent to the CDCLVP1208RHDT. All electrical specifications, package dimensions, and compliance certifications are identical. The CDCLVP1208RHDR differs only in packaging format (Digi-Reel versus Cut Tape) and has higher inventory availability (20,068 units versus 1,712 units). This part is suitable for direct substitution without design modification.

8SLVP1208ANBGI8 (Manufacturer-Recommended Alternative): The Renesas Electronics 8SLVP1208ANBGI8 is a manufacturer-recommended alternative that maintains core functional specifications: 2:8 distribution ratio, 2 GHz maximum frequency, differential input and output, and LVPECL output. Key differences include:

Supply voltage range is slightly narrower (2.375V ~ 3.465V versus 2.375V ~ 3.6V)
Input specifications exclude LVCMOS and LVTTL support (CML, LVDS, LVPECL only)
Package designation differs (28-WFQFN versus 28-VFQFN), though both are 5x5mm QFN packages with exposed pads
Moisture Sensitivity Level is superior (MSL 1 Unlimited versus MSL 3 168 Hours)

This part is suitable for applications where the narrower supply voltage range and reduced input format support do not conflict with system requirements.

Frequently Asked Questions (FAQ)

Q: Can CDCLVP1208RHDR be used as a direct replacement for CDCLVP1208RHDT?

A: Yes. The CDCLVP1208RHDR is a parametric equivalent with identical electrical specifications, package type, and compliance certifications. No design changes are required.

Q: What are the key differences between CDCLVP1208RHDT and 8SLVP1208ANBGI8?

A: Both devices share the same 2:8 distribution ratio, 2 GHz maximum frequency, and LVPECL output. The 8SLVP1208ANBGI8 has a narrower supply voltage range (2.375V ~ 3.465V) and does not support LVCMOS or LVTTL input formats. The package designation differs (28-WFQFN versus 28-VFQFN), though both are 5x5mm QFN packages. The 8SLVP1208ANBGI8 has superior moisture handling (MSL 1 Unlimited).

Q: Is the 8SLVP1208ANBGI8 suitable for my application if I require LVCMOS input support?

A: No. The 8SLVP1208ANBGI8 supports only CML, LVDS, and LVPECL input formats. If your design requires LVCMOS input capability, use CDCLVP1208RHDT or CDCLVP1208RHDR.

Q: Are there package compatibility concerns between 28-VFQFN and 28-WFQFN?

A: Both packages are 5x5mm QFN form factors with exposed pads and 28-pin configurations. Physical footprint compatibility exists; however, verify pinout alignment with your PCB design before substitution.

Q: What is the supply voltage overlap between these parts?

A: CDCLVP1208RHDT and CDCLVP1208RHDR both operate at 2.375V ~ 3.6V. The 8SLVP1208ANBGI8 operates at 2.375V ~ 3.465V. The common operating range across all three parts is 2.375V ~ 3.465V.

Q: Do all three parts meet ROHS3 compliance?

A: Yes. CDCLVP1208RHDT, CDCLVP1208RHDR, and 8SLVP1208ANBGI8 are all ROHS3 compliant and REACH Unaffected.

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