ICS181MI-02 Equivalent & Substitute Parts

Part Overview

The ICS181MI-02 is a Spread Spectrum Clock Generator IC manufactured by Renesas Electronics Corporation, designed to generate 48MHz clock signals in a compact 8-SOIC surface mount package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The part operates across a supply voltage range of 3.135V to 5.5V and supports operating temperatures from -40°C to 85°C, making it suitable for industrial and commercial applications requiring stable clock generation with spread spectrum capability.

Substiute Parts

ICS181MI-02

Renesas Electronics CorporationIn Stock: 754ICS181MI-02 Datasheet

Current PartRFQ

181MI-02LF

Renesas Electronics CorporationIn Stock: 1080181MI-02LF Datasheet

DirectRFQ

180MI-01LF

Renesas Electronics CorporationIn Stock: 923180MI-01LF Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ICS181MI-02 are classified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is determined by the following parameters:

Direct Substitution Criteria:

• Identical package type: 8-SOIC (0.154", 3.90mm Width)
• Matching supply voltage range: 3.135V ~ 5.5V
• Compatible operating temperature range: -40°C ~ 85°C
• Identical output type: CMOS
• Matching functional architecture: Spread Spectrum Clock Generator with PLL
• Identical input configuration: Clock, Crystal
• Matching circuit count and input/output ratio: 1 circuit, 1:1 ratio

Parametric Equivalence Criteria:

• All direct substitution criteria apply
• Maximum frequency may differ while maintaining functional compatibility within system design constraints
• Same package and thermal specifications ensure mechanical and thermal interchangeability

Parameter Comparison

Engineering Selection Recommendations

181MI-02LF (Direct Substitute - Recommended Primary Choice)

The 181MI-02LF is a direct functional equivalent to the ICS181MI-02, maintaining identical electrical specifications including 48MHz maximum frequency, supply voltage range, and operating temperature range. This part is currently in active production status, ensuring long-term availability and supply chain stability. The 181MI-02LF carries ROHS3 compliance certification, providing regulatory advantage over the non-compliant ICS181MI-02. Both parts share identical package specifications and thermal characteristics, enabling direct PCB-level substitution without design modification.

180MI-01LF (Parametric Equivalent - Conditional Selection)

The 180MI-01LF functions as a parametric equivalent with a reduced maximum frequency specification of 28MHz compared to the 48MHz of the main part. This part is suitable for applications where the system clock requirement does not exceed 28MHz. The 180MI-01LF maintains all other electrical and mechanical parameters identical to the ICS181MI-02, including package type, supply voltage, and operating temperature range. This part is also in active production with ROHS3 compliance. Selection of this part requires confirmation that the 28MHz frequency specification meets system requirements.

Frequently Asked Questions (FAQ)

Q: Can the 181MI-02LF be used as a direct replacement for the ICS181MI-02 without PCB modifications?

A: Yes. The 181MI-02LF is electrically and mechanically identical to the ICS181MI-02, sharing the same 8-SOIC package footprint, pin configuration, supply voltage range, operating temperature range, and 48MHz frequency specification. No PCB layout changes are required.

Q: What is the primary advantage of selecting the 181MI-02LF over the ICS181MI-02?

A: The 181MI-02LF is in active production status with ROHS3 compliance certification, whereas the ICS181MI-02 is obsolete and RoHS non-compliant. The 181MI-02LF ensures long-term component availability and meets current regulatory requirements for new designs and manufacturing.

Q: Under what conditions is the 180MI-01LF suitable as a substitute?

A: The 180MI-01LF is suitable when the system design can operate at a maximum clock frequency of 28MHz or lower. All other electrical and mechanical specifications remain compatible with the ICS181MI-02. This part is also in active production with ROHS3 compliance.

Q: Are there any thermal or power consumption differences between these parts?

A: The provided specifications do not include thermal or power consumption data. All three parts operate within the identical supply voltage range of 3.135V to 5.5V and identical operating temperature range of -40°C to 85°C. Thermal and power characteristics should be confirmed through detailed datasheets if critical to system design.

Q: What is the moisture sensitivity level for all substitute parts?

A: All parts, including the ICS181MI-02, 181MI-02LF, and 180MI-01LF, carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.

Q: Are there any differences in pin configuration between the substitute parts?

A: All parts use the identical 8-SOIC package with 0.154" width and 3.90mm body width. Pin configuration and spacing are identical across all three parts, enabling direct PCB-level substitution.