SP336ECT-L Equivalent & Substitute Parts

Part Overview

The SP336ECT-L is a 4/4 transceiver IC supporting full-duplex RS232, RS422, and RS485 protocols in a 28-SOIC surface mount package. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. The part operates across 3.3V and 5V supply voltages with a 250kbps data rate and 500mV receiver hysteresis, designed for industrial and commercial interface applications.

Substiute Parts

SP336ECT-L

MaxLinear, Inc.In Stock: 1183SP336ECT-L Datasheet

Current PartRFQ

SP336ECY-L

MaxLinear, Inc.In Stock: 3468SP336ECY-L Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SP336ECT-L is determined by strict equivalence across the following critical parameters:

• Protocol support: RS232, RS422, RS485 full compatibility required
• Driver/Receiver configuration: 4/4 channel architecture
• Duplex mode: Full-duplex operation
• Data rate: 250kbps minimum capability
• Supply voltage: 3.3V and 5V operation
• Receiver hysteresis: 500mV specification
• Operating temperature range: 0°C ~ 70°C
• Mounting type: Surface mount technology
• Manufacturer: MaxLinear, Inc. (same silicon platform)

The SP336ECY-L meets all functional and electrical requirements for direct substitution. The primary difference is packaging format: the substitute uses 28-TSSOP instead of 28-SOIC, with corresponding dimensional changes (0.173" vs 0.295" width). Both packages are surface mount compatible and accommodate the same pin count and electrical specifications.

Parameter Comparison

Engineering Selection Recommendations

The SP336ECY-L is the designated manufacturer substitute for the obsolete SP336ECT-L. Selection between these parts is determined by PCB layout and assembly constraints:

SP336ECT-L (28-SOIC): Use only for legacy system repairs or when existing PCB layouts are fixed to the 28-SOIC footprint. Product status is obsolete; long-term availability is not assured.

SP336ECY-L (28-TSSOP): Recommended for all new designs and ongoing production. This part carries active product status with ROHS3 compliance certification and improved moisture sensitivity rating (MSL 1 vs MSL 3), providing superior handling and storage characteristics. The 28-TSSOP package offers reduced board space (0.173" width vs 0.295") while maintaining identical electrical performance and pin compatibility.

Both parts are manufactured by MaxLinear, Inc. on the same silicon platform, ensuring functional equivalence across all specified electrical parameters.

Frequently Asked Questions (FAQ)

Q: Can SP336ECY-L replace SP336ECT-L in existing designs?

A: Yes, provided the PCB footprint accommodates the 28-TSSOP package. The electrical specifications are identical. Pin configuration and signal assignments are equivalent between both packages.

Q: What is the primary difference between these parts?

A: The packaging format differs: SP336ECT-L uses 28-SOIC (0.295" width), while SP336ECY-L uses 28-TSSOP (0.173" width). All electrical parameters, protocols, and performance specifications are identical.

Q: Why is SP336ECT-L obsolete?

A: MaxLinear, Inc. has transitioned production to the SP336ECY-L variant. The 28-TSSOP package offers improved manufacturing efficiency and reduced board space requirements.

Q: Are there any compliance differences?

A: SP336ECY-L carries ROHS3 compliance certification. SP336ECY-L also features improved moisture sensitivity (MSL 1 with unlimited storage vs MSL 3 with 168-hour limit), reducing handling and storage risk.

Q: Can both parts operate at 3.3V and 5V?

A: Yes. Both SP336ECT-L and SP336ECY-L support dual supply voltage operation across 3.3V and 5V, with identical electrical performance at each voltage level.

Q: What is the inventory status?

A: SP336ECT-L has 1159 pieces available as new original stock. SP336ECY-L has 3418 pieces available. Given the obsolete status of SP336ECT-L, SP336ECY-L is recommended for procurement planning.