PI6C48543LE Clock Fanout Buffer Equivalent & Substitute Parts

Part Overview

The PI6C48543LE is a Clock Fanout Buffer (Distribution) Multiplexer IC manufactured by Diodes Incorporated, designed for 2:4 clock distribution at frequencies up to 800 MHz. This component features differential input and output capabilities with support for multiple input standards (CML, HCSL, LVDS, LVHSTL, LVPECL, SSTL) and LVDS output configuration in a 20-TSSOP surface mount package.

The PI6C48543LE is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support legacy system maintenance and production requirements.

Substiute Parts

PI6C48543LE

Diodes IncorporatedIn Stock: 1208PI6C48543LE Datasheet

Current PartRFQ

8543BGLF

Renesas Electronics CorporationIn Stock: 12498543BGLF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PI6C48543LE is determined by strict alignment with the following critical parameters:

• Functional Type: Fanout Buffer (Distribution), Multiplexer IC
• Input:Output Ratio: 2:4 configuration
• Differential Capability: Differential input and differential output required
• Input Standards Support: Must support CML, HCSL, LVDS, LVHSTL, LVPECL, SSTL
• Output Standard: LVDS output configuration
• Maximum Frequency: 800 MHz operation capability
• Supply Voltage Range: 3.135V ~ 3.465V
• Package Type: 20-TSSOP (0.173", 4.40mm Width) surface mount
• Compliance: ROHS3 Compliant, REACH Unaffected

The substitute part 8543BGLF manufactured by Renesas Electronics Corporation meets all these critical parameters and is therefore qualified as a direct equivalent for the PI6C48543LE in applications requiring identical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the PI6C48543LE and 8543BGLF are classified as obsolete products. The 8543BGLF is manufacturer-recommended as an equivalent substitute and maintains identical electrical specifications and package configuration.

The primary difference between these parts is the operating temperature range. The PI6C48543LE operates from -40°C to 85°C, while the 8543BGLF operates from 0°C to 70°C. Component selection should be based on the specific temperature requirements of the target application.

Both parts maintain ROHS3 compliance and REACH unaffected status, supporting regulatory requirements for modern electronics manufacturing and deployment.

Frequently Asked Questions (FAQ)

Q: Can the 8543BGLF directly replace the PI6C48543LE in existing designs?

A: The 8543BGLF is electrically and mechanically equivalent to the PI6C48543LE. Both parts feature identical 2:4 fanout buffer functionality, 800 MHz maximum frequency, differential input/output capability, LVDS output configuration, and 20-TSSOP package. Direct substitution is supported for applications operating within the 0°C to 70°C temperature range.

Q: What is the key difference between these two parts?

A: The operating temperature range differs. The PI6C48543LE supports -40°C to 85°C operation, while the 8543BGLF supports 0°C to 70°C operation. All other electrical and mechanical parameters are identical.

Q: Are both parts suitable for new designs?

A: Both the PI6C48543LE and 8543BGLF are classified as obsolete. For new designs, consultation with component suppliers regarding current availability and alternative active products in the clock fanout buffer category is recommended.

Q: Do these parts require different PCB layouts or footprints?

A: No. Both parts use the identical 20-TSSOP (0.173", 4.40mm Width) surface mount package. PCB layouts and footprints are fully compatible.

Q: Are there any compliance or certification differences?

A: Both parts maintain ROHS3 compliance and REACH unaffected status. No compliance or certification differences exist between these parts.