SY89312VMI-TR Clock Generator IC Equivalent & Substitute Parts

Part Overview

The SY89312VMI-TR is a Clock Generator IC manufactured by Microchip Technology, operating at a maximum frequency of 4GHz with ECL/PECL input and output capabilities. This part is discontinued at DiGi Electronics, making identification of suitable substitutes essential for ongoing design support and procurement. The device functions as a precision clock generator within the Precision Edge® series, designed for high-speed timing applications requiring differential signal processing.

Substiute Parts

SY89312VMI-TR

Microchip TechnologyIn Stock: 986SY89312VMI-TR Datasheet

Current PartRFQ

SY89312VMG-TR

Microchip TechnologyIn Stock: 1305SY89312VMG-TR Datasheet

DirectRFQ

MC100EP32MNR4G

onsemiIn Stock: 2437MC100EP32MNR4G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SY89312VMI-TR is determined by the following critical parameters:

• Frequency capability: Maximum operating frequency of 4GHz or greater
• Signal compatibility: ECL/PECL input and output support
• Supply voltage range: 3V ~ 5.5V operation
• Operating temperature range: -40°C ~ 85°C minimum
• Package compatibility: 8-pin surface mount with 2x2mm footprint
• Circuit configuration: Single circuit, 1:1 input-to-output ratio

Two substitute parts meet these criteria:

SY89312VMG-TR (Microchip Technology) — Direct manufacturer equivalent with identical electrical specifications and package, differentiated by active product status and improved RoHS compliance.

MC100EP32MNR4G (onsemi) — Cross-manufacturer alternative from the 100EP logic series, meeting frequency, voltage, temperature, and package requirements with functional equivalence in clock division applications.

Parameter Comparison

Engineering Selection Recommendations

SY89312VMG-TR is the primary substitute for SY89312VMI-TR. Both parts are manufactured by Microchip Technology with identical electrical specifications, package footprint, and functional performance. The key advantage of SY89312VMG-TR is its active product status and ROHS3 compliance, addressing supply chain continuity and regulatory requirements. This part is recommended for direct replacement in new designs and production restocking.

MC100EP32MNR4G serves as a secondary cross-manufacturer alternative when SY89312VMG-TR availability is constrained. While categorized as a logic divider rather than a dedicated clock generator, it meets all critical electrical parameters: 4GHz frequency capability, 3V–5.5V supply voltage, -40°C to 85°C operating range, and identical 8-pin 2x2mm package footprint. MC100EP32MNR4G carries ROHS3 compliance and active product status. Selection of this part requires functional validation within the specific application circuit.

Frequently Asked Questions (FAQ)

Q: Can SY89312VMG-TR be used as a direct drop-in replacement for SY89312VMI-TR?

A: Yes. SY89312VMG-TR is electrically and mechanically identical to SY89312VMI-TR. Both parts share the same base product number (SY89312), supply voltage range (3V–5.5V), maximum frequency (4GHz), operating temperature range (-40°C to 85°C), and 8-MLF® (2x2) package. The primary difference is product status and RoHS compliance level.

Q: What is the functional difference between SY89312VMI-TR and MC100EP32MNR4G?

A: SY89312VMI-TR is a clock generator with ECL/PECL input and output. MC100EP32MNR4G is a divide-by-2 counter with positive and negative trigger capability. Both operate at 4GHz maximum frequency and share identical supply voltage, temperature range, and package specifications. Application compatibility depends on whether the circuit requires clock generation or frequency division functionality.

Q: Are the packages physically compatible?

A: SY89312VMI-TR and SY89312VMG-TR use 8-MLF® (2x2) packages. MC100EP32MNR4G uses 8-DFN (2x2) package. Both package types are 8-pin surface mount with 2x2mm footprint dimensions and are mechanically compatible on PCB layouts designed for this form factor. Pin assignment must be verified against schematic requirements.

Q: Does RoHS compliance affect substitution decisions?

A: SY89312VMI-TR is RoHS non-compliant. SY89312VMG-TR and MC100EP32MNR4G are both ROHS3 compliant. For applications subject to RoHS regulations or customer requirements, SY89312VMG-TR or MC100EP32MNR4G must be selected. For legacy systems without RoHS mandates, SY89312VMI-TR remains functionally valid if inventory is available.

Q: What is the moisture sensitivity level for these parts?

A: All three parts (SY89312VMI-TR, SY89312VMG-TR, and MC100EP32MNR4G) carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage, handling, or assembly.