PI6C2408-4WIE Equivalent & Substitute Parts

Part Overview

The PI6C2408-4WIE is a Zero Delay Buffer IC manufactured by Diodes Incorporated, designed for clock distribution and timing applications. This 16-SOIC surface mount device operates at a maximum frequency of 140MHz with a 1:8 input-to-output ratio and includes an integrated PLL with bypass capability. The part is currently classified as obsolete, making identification of suitable substitute components necessary for ongoing system support and new design implementations.

Substiute Parts

PI6C2408-4WIE

Diodes IncorporatedIn Stock: 1026PI6C2408-4WIE Datasheet

Current PartRFQ

23S08E-4DCG

Renesas Electronics CorporationIn Stock: 102023S08E-4DCG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the PI6C2408-4WIE are identified based on the following critical parameters that determine functional compatibility:

Core Substitution Criteria:

• Package / Case: 16-SOIC (0.154", 3.90mm Width) — identical physical footprint required for PCB compatibility
• Mounting Type: Surface Mount — consistent assembly process
• Type: Zero Delay Buffer or Clock Multiplier with Zero Delay Buffer functionality
• Ratio - Input:Output: 1:8 — matching clock distribution capability
• Number of Circuits: 1 — single circuit configuration
• PLL: Yes with Bypass — integrated phase-locked loop with bypass mode
• Differential - Input:Output: No/No — non-differential signal architecture

Electrical Compatibility Parameters:

• Input Type: TTL or LVTTL (backward compatible logic levels)
• Output Type: TTL or CMOS/LVTTL (compatible output standards)
• Frequency - Max: Equal to or greater than 140MHz
• Voltage - Supply: Overlapping or compatible supply voltage range
• Operating Temperature: Suitable for target application environment

Compliance & Certification:

• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Moisture Sensitivity Level: Acceptable for manufacturing and storage conditions

Parameter Comparison

Engineering Selection Recommendations

The 23S08E-4DCG from Renesas Electronics Corporation qualifies as a functional substitute for the PI6C2408-4WIE based on the following engineering criteria:

Package and Physical Compatibility: Both components utilize the 16-SOIC (0.154", 3.90mm Width) package with surface mount configuration, ensuring direct PCB footprint compatibility without layout modifications.

Functional Equivalence: The 23S08E-4DCG provides zero delay buffer functionality with a 1:8 input-to-output ratio, matching the core clock distribution capability of the PI6C2408-4WIE. Both devices incorporate integrated PLL with bypass mode.

Electrical Performance: The substitute part operates at 200MHz maximum frequency, exceeding the 140MHz specification of the original part, providing performance headroom. Supply voltage ranges overlap (3V ~ 3.6V vs. 3.135V ~ 3.465V), with the substitute accommodating the original part's voltage requirements.

Logic Level Compatibility: The PI6C2408-4WIE accepts TTL input and produces TTL output. The 23S08E-4DCG accepts LVTTL input (backward compatible with TTL levels) and produces CMOS/LVTTL output, maintaining signal integrity in TTL-based systems.

Regulatory Compliance: Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Product Status Advantage: The substitute part maintains active product status with Renesas Electronics Corporation, ensuring ongoing availability and manufacturing support compared to the obsolete PI6C2408-4WIE.

Operational Temperature Consideration: The substitute part operates within 0°C ~ 70°C, which is narrower than the original part's -40°C ~ 85°C range. Applications requiring extended low-temperature operation below 0°C or high-temperature operation above 70°C must evaluate this limitation against specific system requirements.

Moisture Sensitivity: The substitute part carries MSL 3 (168 Hours) compared to MSL 1 (Unlimited) for the original part, requiring adherence to moisture control procedures during storage and assembly.

Frequently Asked Questions (FAQ)

Q: Can the 23S08E-4DCG directly replace the PI6C2408-4WIE without PCB modifications?

A: Yes. Both components share identical 16-SOIC (0.154", 3.90mm Width) packaging and surface mount configuration, enabling direct footprint compatibility without PCB layout changes.

Q: What are the key differences between these two parts?

A: The primary differences are: (1) Maximum frequency: 23S08E-4DCG operates at 200MHz versus 140MHz for PI6C2408-4WIE; (2) Input/Output logic levels: 23S08E-4DCG uses LVTTL input and CMOS/LVTTL output versus TTL for both on the original; (3) Operating temperature range: 23S08E-4DCG is 0°C ~ 70°C versus -40°C ~ 85°C; (4) Product status: 23S08E-4DCG is active versus obsolete; (5) Moisture sensitivity: 23S08E-4DCG is MSL 3 versus MSL 1.

Q: Is the 23S08E-4DCG suitable for applications requiring -40°C operation?

A: No. The 23S08E-4DCG minimum operating temperature is 0°C. Applications requiring operation below 0°C must identify alternative substitutes or continue using existing PI6C2408-4WIE inventory.

Q: Will the higher 200MHz frequency of the 23S08E-4DCG cause compatibility issues?

A: No. The substitute part's higher maximum frequency provides performance margin and does not create incompatibility. The device will operate correctly at the original part's 140MHz specification and below.

Q: Are there any moisture handling differences during assembly?

A: Yes. The 23S08E-4DCG carries MSL 3 (168 Hours) rating, requiring moisture control during storage and assembly. The original PI6C2408-4WIE has MSL 1 (Unlimited), allowing unlimited shelf life without moisture precautions. Assembly processes must implement appropriate baking and handling procedures for the substitute part.

Q: What is the impact of LVTTL input versus TTL input?

A: LVTTL input is backward compatible with TTL output levels. Systems using TTL-based clock sources will function correctly with the 23S08E-4DCG. The substitute part's CMOS/LVTTL output is also compatible with TTL input receivers.

Q: Is the substitute part available in production quantities?

A: The 23S08E-4DCG maintains active product status with Renesas Electronics Corporation, indicating ongoing manufacturing and availability. The original PI6C2408-4WIE is obsolete, with only existing inventory available.