Equivalent & Substitute Parts for Renesas 281PGILFT Clock/Frequency Synthesizer

Part Overview

The Renesas 281PGILFT is a Clock/Frequency Synthesizer IC operating at 200MHz, housed in a 16-TSSOP surface mount package. This component belongs to the VersaClock® series and features integrated PLL with bypass capability, supporting both clock and crystal inputs with CMOS output configuration.

The 281PGILFT carries an Obsolete product status, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. Substitute parts must maintain electrical compatibility across supply voltage, frequency specifications, and input/output characteristics while accommodating operational temperature requirements of target applications.

Substiute Parts

281PGILFT

Renesas Electronics CorporationIn Stock: 1091281PGILFT Datasheet

Current PartRFQ

281PGLF

Renesas Electronics CorporationIn Stock: 962281PGLF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 281PGILFT is determined by strict alignment across the following critical parameters:

Electrical Compatibility Requirements:

• Maximum frequency: 200MHz (exact match required)
• Supply voltage range: 3.135V ~ 3.465V (exact match required)
• PLL configuration: Yes with Bypass (exact match required)
• Input type: Clock, Crystal (exact match required)
• Output type: CMOS (exact match required)
• Input:Output ratio: 1:3 (exact match required)
• Number of circuits: 1 (exact match required)
• Divider/Multiplier capability: Yes/Yes (exact match required)

Mechanical Compatibility Requirements:

• Package type: 16-TSSOP (0.173", 4.40mm Width) (exact match required)
• Mounting type: Surface Mount (exact match required)

Operational Scope Consideration: Operating temperature range may vary between the main part and substitute, provided the substitute range encompasses the application's thermal requirements. The 281PGILFT operates from -40°C to 85°C; substitute parts with narrower or equivalent ranges are acceptable depending on end-use conditions.

Parameter Comparison

Engineering Selection Recommendations

The 281PGLF qualifies as a direct electrical and mechanical substitute for the 281PGILFT based on matched specifications across all critical parameters: frequency, supply voltage, PLL configuration, input/output characteristics, package geometry, and circuit count.

Product Status Consideration: The 281PGLF carries Active product status, whereas the 281PGILFT is Obsolete. Selection of the 281PGLF ensures long-term component availability and ongoing manufacturer support for new designs and production continuity.

Compliance and Certification: The 281PGLF is certified ROHS3 Compliant, providing regulatory alignment for applications subject to environmental and hazardous substance restrictions. This certification status is not specified for the 281PGILFT.

Operational Temperature Scope: The 281PGLF operates within 0°C to 70°C, which is narrower than the 281PGILFT range of -40°C to 85°C. Component selection must confirm that the substitute's thermal operating window accommodates the application's environmental conditions. Applications requiring extended low-temperature operation below 0°C or high-temperature operation above 70°C are not suitable for the 281PGLF substitute.

Frequently Asked Questions (FAQ)

Q: Can the 281PGLF directly replace the 281PGILFT in existing designs?

A: Yes, provided the application's operating temperature range falls within 0°C to 70°C. All electrical specifications, package dimensions, and functional characteristics are identical. The suffix difference indicates manufacturing or qualification variations, not functional divergence.

Q: What does the part number suffix difference (ILFT vs. GLF) indicate?

A: Suffix variations in Renesas part numbering typically denote packaging, lead finish, or qualification level differences. Both parts share the same base product number (281PG) and core functionality. Consult Renesas datasheets for specific suffix definitions.

Q: Is the 281PGLF suitable for industrial temperature applications?

A: The 281PGLF operates from 0°C to 70°C. Industrial applications requiring operation below 0°C or above 70°C exceed this substitute's specified range and require alternative component selection.

Q: Are there any compliance differences between the two parts?

A: The 281PGLF is ROHS3 Compliant. Compliance status for the 281PGILFT is not specified in available documentation. For applications subject to RoHS regulations, the 281PGLF provides documented compliance assurance.

Q: What is the inventory status for these parts?

A: The 281PGILFT (Obsolete) has 1071 pieces in stock. The 281PGLF (Active) has 875 pieces in stock. Active product status for the 281PGLF indicates ongoing availability from the manufacturer.

Q: Are the package dimensions identical?

A: Yes. Both parts use 16-TSSOP packaging with 0.173" height and 4.40mm width. PCB footprints and assembly processes are interchangeable.