SP3203EEY-L RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP3203EEY-L is a 3/2 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 20-TSSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a 3V to 5.5V supply range with a 250 kbps data rate and 500 mV receiver hysteresis, suitable for legacy RS232 communication applications requiring full-duplex operation with three drivers and two receivers.

Key Parameters

Parameter	Value
Manufacturer Part Number	SP3203EEY-L
Manufacturer	MaxLinear, Inc.
Product Category	Interface / RS232 Transceiver
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	3/2
Duplex Mode	Full
Data Rate	250 kbps
Voltage Supply Range	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Receiver Hysteresis	500 mV
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SP3203EEY-L is determined by strict alignment of the following electrical and mechanical parameters:

Critical Substitution Parameters:

Protocol: RS232
Duplex Mode: Full
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Voltage Supply Range: 3V ~ 5.5V
Data Rate: 250 kbps
Receiver Hysteresis: 500 mV
Mounting Type: Surface Mount

Driver/Receiver Configuration:

Direct substitutes maintain 3/2 driver/receiver configuration
Parametric equivalents with 2/2 configuration are listed separately due to reduced driver count

Substitute parts are grouped into three categories:

Direct Manufacturer Substitutes – Parts with identical 3/2 configuration, matching all critical electrical parameters, differing only in product status or packaging format
MFR Recommended Substitutes – Manufacturer-recommended alternatives with 3/2 configuration, typically with modified operating temperature ranges (0°C ~ 70°C vs. -40°C ~ 85°C)
Parametric Equivalents – Parts meeting core electrical specifications but with reduced driver/receiver count (2/2 configuration) or alternative manufacturers

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Operating Temp	Voltage Supply	Data Rate	Package	Product Status	Packaging Format
SP3203EEY-L	MaxLinear, Inc.	3/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Obsolete	Not specified
MAX3386EEUP+T	Analog Devices Inc./Maxim Integrated	3/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Tape & Reel (TR)
MAX3386EIPWR	Texas Instruments	3/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Last Time Buy	Tape & Reel (TR)
TRS3386EIPWR	Texas Instruments	3/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Cut Tape (CT) & Digi-Reel®
MAX3386ECUP+	Analog Devices Inc./Maxim Integrated	3/2	0°C ~ 70°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Tube
MAX3386ECUP+T	Analog Devices Inc./Maxim Integrated	3/2	0°C ~ 70°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Not specified
TRS3386ECPW	Texas Instruments	3/2	0°C ~ 70°C	3V ~ 5.5V	250 kbps	20-TSSOP	Last Time Buy	Tube
TRS3386ECPWR	Texas Instruments	3/2	0°C ~ 70°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Cut Tape (CT) & Digi-Reel®
ICL3222EIVZ	Renesas Electronics Corporation	2/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Tube
ICL3223EIVZ	Renesas Electronics Corporation	2/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Tube
ISL83386EIVZ	Renesas Electronics Corporation	3/2	-40°C ~ 85°C	3V ~ 5.5V	250 kbps	20-TSSOP	Active	Tube

Engineering Selection Recommendations

For Direct Replacement (Identical Operating Temperature Range: -40°C ~ 85°C)

Select from the following parts when full temperature range compatibility is required:

MAX3386EEUP+T – Active product status, Tape & Reel packaging, manufactured by Analog Devices Inc./Maxim Integrated, ROHS3 compliant, REACH unaffected
MAX3386EIPWR – Last Time Buy status, Tape & Reel packaging, manufactured by Texas Instruments, ROHS3 compliant, REACH unaffected
TRS3386EIPWR – Active product status, Cut Tape & Digi-Reel packaging, manufactured by Texas Instruments, ROHS3 compliant, REACH unaffected
ISL83386EIVZ – Active product status, Tube packaging, manufactured by Renesas Electronics Corporation, ROHS3 compliant, REACH unaffected

For Restricted Temperature Applications (0°C ~ 70°C Operating Range)

Select from the following parts when applications operate within the narrower temperature range:

MAX3386ECUP+ – Active product status, Tube packaging, manufactured by Analog Devices Inc./Maxim Integrated, ROHS3 compliant, REACH unaffected
MAX3386ECUP+T – Active product status, manufactured by Analog Devices Inc./Maxim Integrated, ROHS3 compliant, REACH unaffected
TRS3386ECPW – Last Time Buy status, Tube packaging, manufactured by Texas Instruments, ROHS3 compliant, REACH unaffected
TRS3386ECPWR – Active product status, Cut Tape & Digi-Reel packaging, manufactured by Texas Instruments, ROHS3 compliant, REACH unaffected

For Reduced Driver/Receiver Configuration (2/2 vs. 3/2)

The following parts provide parametric equivalence with reduced driver count:

ICL3222EIVZ – Active product status, Tube packaging, manufactured by Renesas Electronics Corporation, ROHS3 compliant, MSL 3 (168 Hours)
ICL3223EIVZ – Active product status, Tube packaging, manufactured by Renesas Electronics Corporation, ROHS3 compliant, MSL 3 (168 Hours)

These parts are suitable only for applications requiring 2/2 driver/receiver configuration and do not provide full functional equivalence to the 3/2 SP3203EEY-L.

Frequently Asked Questions (FAQ)

Q: Can MAX3386ECUP+ be used as a direct replacement for SP3203EEY-L in all applications?

A: MAX3386ECUP+ is electrically compatible but operates within a narrower temperature range (0°C ~ 70°C vs. -40°C ~ 85°C). Use this part only in applications where the operating environment remains within 0°C to 70°C. For applications requiring the full -40°C to 85°C range, select MAX3386EEUP+T, MAX3386EIPWR, TRS3386EIPWR, or ISL83386EIVZ.

Q: What is the difference between ICL3222EIVZ and the 3/2 driver/receiver substitutes?

A: ICL3222EIVZ provides only 2 drivers and 2 receivers, compared to the SP3203EEY-L's 3 drivers and 2 receivers. This reduced configuration limits the number of simultaneous RS232 communication channels. Use ICL3222EIVZ only if your application requires fewer drivers and receivers.

Q: Are all substitute parts ROHS3 compliant?

A: All direct and MFR-recommended substitutes listed are ROHS3 compliant. The parametric equivalents ICL3222EIVZ and ICL3223EIVZ are also ROHS3 compliant. Verify compliance documentation for your specific procurement source.

Q: What packaging formats are available for the substitute parts?

A: Substitute parts are available in multiple packaging formats: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube. Select based on your assembly process requirements. Tape & Reel and Cut Tape formats are suitable for automated pick-and-place assembly; Tube packaging is suitable for manual or semi-automated processes.

Q: Which substitute part has the highest inventory availability?

A: TRS3386ECPWR offers the highest inventory level at 185,546 pieces in stock. This part is Active status, operates within 0°C ~ 70°C, and is available in Cut Tape & Digi-Reel packaging.

Q: Can I use a Last Time Buy part as a long-term production solution?

A: Last Time Buy parts (MAX3386EIPWR and TRS3386ECPW) indicate the manufacturer will discontinue production. These parts are suitable for immediate replacement needs but not recommended for long-term production planning. Prioritize Active status parts such as TRS3386ECPWR, MAX3386EEUP+T, or ISL83386EIVZ for ongoing designs.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences?

A: The SP3203EEY-L and most direct substitutes carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. ICL3222EIVZ and ICL3223EIVZ carry MSL 3 (168 Hours), requiring controlled storage and handling within 168 hours of package opening. Select MSL 1 parts for less stringent storage requirements.

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