FIN1217MTDX Equivalent & Substitute Parts

Part Overview

The FIN1217MTDX is a 1.785Gbps serializer interface IC manufactured by onsemi, designed for high-speed data conversion applications. It features 21 LVTTL inputs and 3 LVDS outputs in a 48-TSSOP surface mount package. The device operates across a 3V to 3.6V supply range and supports industrial temperature specifications from -40°C to 85°C.

The FIN1217MTDX is classified as obsolete. Identifying equivalent and substitute parts is essential for design continuity, procurement planning, and system reliability when original stock becomes unavailable or when transitioning to active product lines.

Substiute Parts

FIN1217MTDX

onsemiIn Stock: 1518FIN1217MTDX Datasheet

Current PartRFQ

FIN1215MTDX

onsemiIn Stock: 2785FIN1215MTDX Datasheet

Parametric EquivalentRFQ

DS90CR217MTDX/NOPB

Texas InstrumentsIn Stock: 3139DS90CR217MTDX/NOPB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the FIN1217MTDX are identified based on strict electrical and mechanical compatibility criteria. The following parameters determine substitution eligibility:

Critical Matching Parameters:

• Data Rate: 1.785Gbps
• Input Type: LVTTL
• Output Type: LVDS
• Number of Inputs: 21
• Number of Outputs: 3
• Voltage - Supply: 3V ~ 3.6V
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 48-TFSOP (0.240", 6.10mm Width)
• Mounting Type: Surface Mount

Substitute Categories:

Parametric Equivalent: FIN1215MTDX (onsemi) — Identical electrical specifications and package footprint. Active product status with improved moisture sensitivity rating. Direct functional replacement.

Similar Part: DS90CR217MTDX/NOPB (Texas Instruments) — Matches core electrical parameters and physical package. Active product status. Cross-manufacturer alternative for serializer functionality.

Parameter Comparison

Engineering Selection Recommendations

FIN1215MTDX (onsemi) is the primary substitute for the obsolete FIN1217MTDX. Both parts are manufactured by onsemi and share identical electrical specifications and package geometry. The FIN1215MTDX is currently in active production status, ensuring long-term availability and supply chain stability. The part carries ROHS3 compliance certification and maintains REACH unaffected status. The MSL rating of 2 (1 Year) requires standard moisture control during storage and handling, compared to the unlimited MSL of the original part.

DS90CR217MTDX/NOPB (Texas Instruments) provides a cross-manufacturer alternative. This part matches the critical package and supply voltage parameters. It is actively produced and ROHS3 compliant. Selection of this part requires confirmation that the detailed electrical specifications align with application requirements, as certain parameters are not fully specified in available documentation.

For new designs or long-term production planning, FIN1215MTDX is recommended as the primary choice due to identical specifications and onsemi manufacturer continuity. DS90CR217MTDX/NOPB serves as a secondary option when supply constraints or specific application requirements necessitate a cross-manufacturer solution.

Frequently Asked Questions (FAQ)

Q: Can FIN1215MTDX directly replace FIN1217MTDX in existing designs?

A: Yes. The FIN1215MTDX is a parametric equivalent with identical data rate (1.785Gbps), input/output configuration (21 LVTTL inputs, 3 LVDS outputs), supply voltage range (3V ~ 3.6V), operating temperature range (-40°C ~ 85°C), and package footprint (48-TFSOP). Pin-for-pin compatibility and electrical performance are equivalent.

Q: What is the difference in moisture sensitivity between FIN1217MTDX and FIN1215MTDX?

A: The FIN1217MTDX has MSL 1 (Unlimited), allowing indefinite storage without moisture control. The FIN1215MTDX has MSL 2 (1 Year), requiring standard moisture control measures during storage and handling. This difference does not affect functional performance but impacts storage and handling procedures.

Q: Is DS90CR217MTDX/NOPB a direct replacement?

A: DS90CR217MTDX/NOPB matches the package footprint (48-TFSOP) and supply voltage (3V ~ 3.6V) of the FIN1217MTDX. However, detailed electrical specifications for this Texas Instruments part are not fully documented in available parameters. Confirmation of data rate, input/output types, and channel configuration is required before selection for critical applications.

Q: Are all three parts surface mount compatible with the same PCB layout?

A: Yes. All three parts use the 48-TFSOP package with identical physical dimensions (0.240", 6.10mm Width). PCB footprints and land patterns are compatible across all three parts.

Q: What compliance certifications apply to the substitute parts?

A: Both FIN1215MTDX and DS90CR217MTDX/NOPB are ROHS3 compliant and REACH unaffected. Both carry ECCN classification (EAR99 for onsemi, 5A991B1 for Texas Instruments) and HTSUS code 8542.39.0001.