MK2746GTR Equivalent & Substitute Parts

Part Overview

The MK2746GTR is a Clock/Frequency Synthesizer IC manufactured by Renesas Electronics Corporation, designed for 133.33MHz operation in a 16-TSSOP surface mount package. This component integrates a Phase-Locked Loop (PLL) with bypass capability, accepting clock or crystal inputs and delivering CMOS outputs with a 2:5 input-to-output ratio.

The MK2746GTR is classified as obsolete. Locating direct replacements from current production inventory requires identifying substitute parts that maintain electrical and mechanical compatibility while offering active product status and current manufacturing support.

Substiute Parts

MK2746GTR

Renesas Electronics CorporationIn Stock: 1057MK2746GTR Datasheet

Current PartRFQ

MK2746GLFTR

Renesas Electronics CorporationIn Stock: 1126MK2746GLFTR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MK2746GTR is determined by strict equivalence across the following parameters:

• Maximum frequency: 133.33MHz
• Supply voltage range: 3V ~ 3.6V
• Operating temperature range: 0°C ~ 70°C
• Package type: 16-TSSOP (0.173", 4.40mm Width)
• Output configuration: CMOS
• PLL with bypass functionality
• Input acceptance: Clock or Crystal
• Input-to-output ratio: 2:5
• Circuit count: 1

The MK2746GLFTR meets all electrical and mechanical substitution criteria. This part shares the identical base product number (MK2746) and maintains full parameter compatibility while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The MK2746GLFTR is a direct functional substitute for the MK2746GTR. Both parts are manufactured by Renesas Electronics Corporation and share identical electrical specifications and mechanical packaging.

The primary distinction is product lifecycle status: the MK2746GTR is obsolete, while the MK2746GLFTR maintains active production status. Additionally, the MK2746GLFTR achieves ROHS3 compliance, whereas the MK2746GTR is RoHS non-compliant. Both parts maintain equivalent moisture sensitivity levels and regulatory classifications (REACH Unaffected, ECCN EAR99).

For new designs or component replenishment, the MK2746GLFTR is the appropriate selection due to active availability and improved environmental compliance. For legacy system maintenance requiring the exact original part number, the MK2746GTR remains available in current inventory (1029 pcs).

Frequently Asked Questions (FAQ)

Q: Can the MK2746GLFTR be used as a direct replacement for the MK2746GTR in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters: frequency, supply voltage, operating temperature, package type, output configuration, and PLL functionality. No circuit modifications are required.

Q: What is the significance of the RoHS compliance difference?

A: The MK2746GTR is RoHS non-compliant, while the MK2746GLFTR is ROHS3 compliant. For applications subject to RoHS regulations or customer requirements mandating RoHS compliance, the MK2746GLFTR is the required selection.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the identical 16-TSSOP (0.173", 4.40mm Width) package with the same pinout and mechanical footprint. PCB layout and assembly processes require no modification.

Q: Why is the MK2746GTR classified as obsolete?

A: The MK2746GTR has reached end-of-life status in Renesas Electronics' product portfolio. The MK2746GLFTR represents the current production equivalent with active manufacturing support.

Q: What is the difference between the part number suffixes GTR and GLFTR?

A: The suffix variation indicates manufacturing process or compliance revision. The GLFTR variant incorporates ROHS3 compliance and maintains active production status. Both variants share the base product number MK2746 and are functionally equivalent.