SY10EL33ZI Equivalent & Substitute Parts

Part Overview

The SY10EL33ZI is a Counter IC Divide-by-4 logic component manufactured by Microchip Technology, designed for high-speed frequency division applications. This 1-element, 2-bit counter operates at a maximum count rate of 4.2 GHz and supports both positive and negative trigger types. The part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts must maintain functional compatibility through matching package type, electrical performance characteristics, and operating parameters.

Substiute Parts

SY10EL33ZI

Microchip TechnologyIn Stock: 3384SY10EL33ZI Datasheet

Current PartRFQ

MC100EP32DG

onsemiIn Stock: 880MC100EP32DG Datasheet

MFR RecommendedRFQ

MC100EP32DR2G

onsemiIn Stock: 1343MC100EP32DR2G Datasheet

MFR RecommendedRFQ

MC10EP32DG

onsemiIn Stock: 35439MC10EP32DG Datasheet

MFR RecommendedRFQ

MC10EP32DR2G

onsemiIn Stock: 6558MC10EP32DR2G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SY10EL33ZI are identified based on the following critical parameters that determine functional compatibility:

Matching Parameters:

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Reset Type: Asynchronous
• Trigger Type: Positive, Negative
• Operating Temperature Range: -40°C ~ 85°C
• Moisture Sensitivity Level: 1 (Unlimited)

Functional Consideration: The substitute parts listed (MC10EP32DG, MC100EP32DG, MC100EP32DR2G, MC10EP32DR2G) are Divide-by-2 logic counters rather than Divide-by-4. These substitutes operate at 4 GHz count rate with 1-bit elements and are suitable for applications where divide-by-2 functionality meets system requirements. All substitutes maintain the same 8-SOIC package footprint and asynchronous reset architecture, ensuring mechanical and electrical interface compatibility.

Parameter Comparison

Engineering Selection Recommendations

MC10EP32DG (onsemi, Series 10EP, Tube packaging) is the primary substitute option. This part maintains active product status with 35,400 units in stock, ensuring long-term availability. The MC10EP32 base product number aligns with the 10EL series architecture, providing the closest functional relationship. ROHS3 compliance offers regulatory advantage over the non-compliant original part.

MC10EP32DR2G (onsemi, Series 10EP, Cut Tape & Digi-Reel packaging) provides equivalent electrical performance with alternative packaging suited for automated assembly processes. This variant maintains the same active status and ROHS3 compliance.

MC100EP32DG and MC100EP32DR2G (onsemi, Series 100EP) represent higher-speed variants within the onsemi ECL logic family. These parts are suitable for applications requiring the 100EP series architecture while maintaining the same 8-SOIC package footprint and operating characteristics.

All substitute parts are ROHS3 compliant, addressing environmental and regulatory requirements that the discontinued SY10EL33ZI does not meet.

Frequently Asked Questions (FAQ)

Q: Can MC10EP32DG directly replace SY10EL33ZI in all applications?

A: Mechanical and electrical interface compatibility is maintained through identical 8-SOIC packaging, supply voltage overlap (3.3 V ~ 5 V range is within 3 V ~ 5.5 V), and matching asynchronous reset architecture. However, the functional difference—Divide-by-2 versus Divide-by-4—requires circuit-level evaluation. Applications dependent on divide-by-4 functionality require design modification.

Q: What is the difference between MC10EP32DG and MC10EP32DR2G?

A: Both parts are electrically identical with matching electrical specifications. The difference is packaging format: MC10EP32DG is supplied in Tube packaging, while MC10EP32DR2G uses Cut Tape & Digi-Reel format. Selection depends on assembly process requirements and volume handling.

Q: Why are the substitute parts Divide-by-2 instead of Divide-by-4?

A: The substitute parts listed are based on the manufacturer's recommended equivalents provided in the original part data. These represent the available alternatives within the onsemi ECL logic portfolio that share the same package, reset architecture, and operating temperature range.

Q: Are all substitute parts RoHS compliant?

A: Yes. All four substitute parts (MC10EP32DG, MC100EP32DG, MC100EP32DR2G, MC10EP32DR2G) are ROHS3 compliant, whereas the original SY10EL33ZI is RoHS non-compliant. This represents a compliance improvement for new designs.

Q: What is the supply voltage compatibility range?

A: The original SY10EL33ZI operates at 3.3 V ~ 5 V. All substitute parts operate at 3 V ~ 5.5 V, providing a wider supply voltage window. Designs operating within the 3.3 V ~ 5 V range are fully compatible with all substitutes.

Q: Do all parts share the same moisture sensitivity level?

A: Yes. The original part and all substitutes are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.