FIN1532MX Equivalent & Substitute Parts

Part Overview

The FIN1532MX is an LVDS receiver IC manufactured by onsemi, configured as a 0/4 receiver in a 16-SOIC package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The FIN1532MX operates at 400 Mbps data rate with a supply voltage range of 4.5V to 5.5V and temperature range of -40°C to 85°C.

Substiute Parts

FIN1532MX

onsemiIn Stock: 4626FIN1532MX Datasheet

Current PartRFQ

AM26LS32ACD

Texas InstrumentsIn Stock: 13370AM26LS32ACD Datasheet

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AM26LS32ACDR

Texas InstrumentsIn Stock: 38721AM26LS32ACDR Datasheet

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SP26LV432CN-L

MaxLinear, Inc.In Stock: 2877SP26LV432CN-L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the FIN1532MX is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the 16-SOIC (0.154", 3.90mm Width) surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Receiver Configuration: The 0/4 receiver configuration (zero drivers, four receivers) is maintained across all substitutes.

Electrical Interface: While the FIN1532MX uses LVDS protocol, substitute parts operate on RS422, RS423, or RS485 protocols. These protocols are functionally compatible for receiver applications in serial communication systems, though protocol-specific design considerations apply.

Supply Voltage Compatibility: Substitute parts operate within overlapping or compatible voltage ranges. The FIN1532MX operates at 4.5V to 5.5V; substitutes operate at 4.75V to 5.25V (AM26LS32 series) or 3.3V (SP26LV432CN-L).

Operating Temperature Range: The FIN1532MX supports -40°C to 85°C. Substitutes operate at 0°C to 70°C, representing a narrower temperature range suitable for commercial and industrial applications.

Parameter Comparison

Engineering Selection Recommendations

AM26LS32ACDR (Texas Instruments): This part is the primary substitute option. It maintains active product status, ensuring long-term availability and supply chain stability. The part is ROHS3 compliant and REACH unaffected. The supply voltage range (4.75V to 5.25V) overlaps with the FIN1532MX operating window. The operating temperature range (0°C to 70°C) is narrower than the original part, limiting use in extended temperature applications. MSL rating of 1 (Unlimited) matches the original specification.

AM26LS32ACD (Texas Instruments): This variant is functionally equivalent to AM26LS32ACDR but carries Last Time Buy status, indicating limited future availability. It is suitable for legacy system maintenance but not recommended for new designs requiring long-term component sourcing.

SP26LV432CN-L (MaxLinear, Inc.): This part offers RS422/RS485 protocol support and operates at 3.3V supply voltage, making it suitable for low-power applications. However, the 50 Mbps data rate is significantly lower than the FIN1532MX (400 Mbps), restricting its use to lower-speed serial communication systems. Last Time Buy status and MSL rating of 2 (1 Year) indicate limited availability and stricter moisture handling requirements.

Frequently Asked Questions (FAQ)

Q: Can AM26LS32ACDR directly replace FIN1532MX in existing designs?

A: AM26LS32ACDR is mechanically and electrically compatible in terms of package, pin count, and receiver configuration. However, protocol differences (RS422/RS423 versus LVDS) require system-level evaluation. Both are 0/4 receiver ICs in 16-SOIC packages with compatible supply voltage ranges within the 4.5V to 5.5V window.

Q: What are the key differences between AM26LS32ACD and AM26LS32ACDR?

A: Both parts are functionally identical Texas Instruments receivers with identical electrical specifications. The primary difference is packaging: AM26LS32ACD is supplied in Tube packaging, while AM26LS32ACDR is supplied in Cut Tape (CT) & Digi-Reel® format. AM26LS32ACDR has Active product status, while AM26LS32ACD is Last Time Buy.

Q: Is SP26LV432CN-L suitable for high-speed applications?

A: No. SP26LV432CN-L operates at a maximum data rate of 50 Mbps, compared to the FIN1532MX at 400 Mbps. This part is limited to lower-speed serial communication applications and is not suitable for high-speed LVDS or RS422/RS423 systems requiring data rates above 50 Mbps.

Q: What moisture handling precautions apply to these substitutes?

A: AM26LS32ACD and AM26LS32ACDR both have MSL rating of 1 (Unlimited), matching the FIN1532MX and requiring no special moisture control. SP26LV432CN-L has MSL rating of 2 (1 Year), requiring moisture-controlled storage and handling within one year of manufacture.

Q: Are all substitute parts RoHS and REACH compliant?

A: All substitute parts listed are ROHS3 compliant and REACH unaffected. The original FIN1532MX does not specify RoHS status but is REACH unaffected.