SP3224EEA-L/TR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP3224EEA-L/TR is a full-duplex RS232 transceiver interface IC manufactured by MaxLinear, Inc., configured with 2 drivers and 2 receivers in a 20-SSOP 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 maintains full RS232 protocol compliance across the -40°C to 85°C operating temperature range.

Key Parameters

Parameter	Value
Part Number	SP3224EEA-L/TR
Manufacturer	MaxLinear, Inc.
Product Status	Obsolete
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex	Full
Data Rate	250 kbps
Voltage Supply	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Receiver Hysteresis	500 mV
Package/Case	20-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount
Moisture Sensitivity Level	2 (1 Year)

Substitute Part Grouping Explanation

Substitution eligibility for the SP3224EEA-L/TR is determined by strict equivalence across the following parameters:

Protocol: RS232
Drivers/Receivers Configuration: 2/2
Duplex Mode: Full
Data Rate: 250 kbps
Voltage Supply Range: 3V ~ 5.5V
Operating Temperature Range: -40°C ~ 85°C
Receiver Hysteresis: 500 mV
Package/Case: 20-SSOP (0.209", 5.30mm Width)
Mounting Type: Surface Mount

Substitute parts are categorized into two groups:

MFR Recommended Substitutes – Parts with active product status and full parameter alignment, prioritized for new designs and production.

Parametric Equivalents – Parts meeting all electrical and mechanical parameters with active or obsolete status, suitable for direct replacement in existing applications.

Parameter Comparison

Part Number	Manufacturer	Status	Drivers/Receivers	Data Rate	Voltage Supply	Operating Temp	Receiver Hysteresis	Package	MSL	RoHS
SP3224EEA-L/TR	MaxLinear, Inc.	Obsolete	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	2 (1 Year)	Not specified
ICL3224EIAZ	Renesas Electronics	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	2 (1 Year)	ROHS3 Compliant
MAX3224EAAP/GG8	Analog Devices Inc./Maxim Integrated	Active	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	1 (Unlimited)	Not specified
MAX3224EAP+	Analog Devices Inc./Maxim Integrated	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	1 (Unlimited)	ROHS3 Compliant
MAX3224EEAP+	Analog Devices Inc./Maxim Integrated	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	1 (Unlimited)	ROHS3 Compliant
ICL3222EIAZ-T	Renesas Electronics	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	3 (168 Hours)	ROHS3 Compliant
ICL3224EIAZ-T	Renesas Electronics	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	2 (1 Year)	ROHS3 Compliant
ICL3225EIAZ-T	Renesas Electronics	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	2 (1 Year)	ROHS3 Compliant
MAX3223ECAP+T	Analog Devices Inc./Maxim Integrated	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	1 (Unlimited)	ROHS3 Compliant
MAX3223IDBR	Texas Instruments	Obsolete	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	1 (Unlimited)	ROHS3 Compliant
MAX3224EAP+T	Analog Devices Inc./Maxim Integrated	Active	2/2	250 kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	1 (Unlimited)	ROHS3 Compliant

Engineering Selection Recommendations

For new designs and production applications, prioritize active-status parts with ROHS3 compliance certification. The MAX3224EAP+ and MAX3224EEAP+ from Analog Devices Inc./Maxim Integrated offer the lowest moisture sensitivity level (MSL 1, Unlimited), providing superior reliability in storage and handling. The ICL3224EIAZ from Renesas Electronics Corporation provides an active alternative with equivalent electrical parameters and ROHS3 compliance.

For applications requiring tape and reel packaging, MAX3224EAP+T and ICL3224EIAZ-T are available with full parameter equivalence. The ICL3222EIAZ-T variant carries MSL 3 (168 Hours), which may require accelerated moisture bake-out procedures depending on storage duration and environmental conditions.

Obsolete parts such as MAX3223IDBR should not be selected for new designs but remain viable for direct replacement in existing production where inventory is available.

Frequently Asked Questions (FAQ)

Q: Can MAX3224EAP+ directly replace SP3224EEA-L/TR?

A: Yes. Both parts meet all electrical parameters (2/2 drivers/receivers, 250 kbps data rate, 3V–5.5V supply, -40°C to 85°C operating range, 500 mV receiver hysteresis) and share identical 20-SSOP packaging. MAX3224EAP+ is active-status with ROHS3 compliance.

Q: What is the difference between ICL3224EIAZ and ICL3224EIAZ-T?

A: Both parts are electrically identical with matching parameters. The primary difference is packaging format: ICL3224EIAZ is supplied in Tube, while ICL3224EIAZ-T is supplied in Tape & Reel (TR). Selection depends on assembly process requirements.

Q: Why do some substitute parts show lower MSL ratings?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 60% RH) before requiring a moisture bake-out. MSL 1 (Unlimited) parts like MAX3224EAP+ require no bake-out. MSL 2 and MSL 3 parts require bake-out if storage duration exceeds specified limits. This does not affect electrical performance but impacts handling procedures.

Q: Are all substitute parts ROHS3 compliant?

A: All active-status substitute parts listed carry ROHS3 compliance certification. The original SP3224EEA-L/TR does not specify RoHS status due to its obsolete classification.

Q: Can ICL3222EIAZ-T be used instead of ICL3224EIAZ-T?

A: Both parts meet all electrical and mechanical parameters for substitution. Selection between ICL3222 and ICL3224 variants depends on design-specific requirements not specified in the parameter set. Consult device datasheets for functional differences between base product numbers.

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