SP3227ECA-L Equivalent & Substitute Parts

Part Overview

The SP3227ECA-L is a full-duplex RS232 transceiver IC manufactured by MaxLinear, Inc., housed in a 16-SSOP surface mount package. This component functions as a single driver/receiver interface for RS232 serial communication applications operating across a 3V to 5.5V supply voltage range. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional and electrical compatibility for new designs or production continuity.

Key Parameters

Parameter	SP3227ECA-L
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	1 Mbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SSOP (0.209", 5.30mm Width)
Moisture Sensitivity Level (MSL)	2 (1 Year)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the SP3227ECA-L is determined by the following critical parameters:

Protocol Compatibility: RS232 full-duplex transceiver function
Driver/Receiver Configuration: 1 driver and 1 receiver channel
Package Compatibility: 16-SSOP surface mount package with identical 5.30mm width
Electrical Specifications: Supply voltage range 3V ~ 5.5V, receiver hysteresis 500 mV
Functional Parameters: Full-duplex operation, identical pin configuration

All substitute parts listed maintain these core parameters. Variations in data rate (250 kbps vs. 1 Mbps), operating temperature range, and product status (active vs. obsolete) do not prevent functional substitution, as the SP3227ECA-L's 1 Mbps capability exceeds typical RS232 application requirements. Substitute parts with extended temperature ranges or improved MSL ratings provide enhanced reliability without compromising compatibility.

Parameter Comparison

Parameter	SP3227ECA-L	ICL3226EIAZ	ICL3226EIAZ-T	ICL3226IAZ	ICL3226IAZ-T	MAX3226EAAE+	MAX3226EAAE+T	MAX3226ECAE+	MAX3226ECAE+T	MAX3226EEAE+	MAX3226EEAE+T
Manufacturer	MaxLinear, Inc.	Renesas Electronics	Renesas Electronics	Intersil	Renesas Electronics	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim
Type	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver	Transceiver
Protocol	RS232	RS232	RS232	RS232	RS232	RS232	RS232	RS232	RS232	RS232	RS232
Number of Drivers/Receivers	1/1	1/1	1/1	1/1	1/1	1/1	1/1	1/1	1/1	1/1	1/1
Duplex	Full	Full	Full	Full	Full	Full	Full	Full	Full	Full	Full
Receiver Hysteresis	500 mV	500 mV	500 mV	500 mV	500 mV	500 mV	500 mV	500 mV	500 mV	500 mV	500 mV
Data Rate	1 Mbps	250 kbps	250 kbps	250 kbps	250 kbps	250 kbps	250 kbps	250 kbps	250 kbps	250 kbps	250 kbps
Voltage - Supply	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)	16-SSOP (0.209", 5.30mm)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	2 (1 Year)	Not specified	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are functionally compatible with the SP3227ECA-L based on identical protocol, channel configuration, package geometry, and supply voltage specifications. Selection among substitutes should prioritize active product status and compliance certifications:

Recommended Primary Substitutes (Maxim Integrated MAX3226 Series):

MAX3226EAAE+T and MAX3226EEAE+T offer the broadest operating temperature ranges (-40°C to 125°C and -40°C to 85°C respectively) with MSL 1 (unlimited moisture sensitivity), providing superior reliability for long-term storage and demanding environments.
MAX3226ECAE+T maintains the original 0°C to 70°C operating range with MSL 1 rating and is available in high inventory quantities (4,900 pcs).

Secondary Substitutes (Renesas ICL3226 Series):

ICL3226EIAZ-T and ICL3226IAZ-T provide extended operating temperature ranges (-40°C to 85°C) with active product status and ROHS3 compliance.

Tertiary Substitute (Intersil ICL3226IAZ):

ICL3226IAZ offers bulk packaging with active status but lacks specified MSL rating.

All substitutes carry ECCN EAR99 and HTSUS 8542.39.0001 classifications matching the original part.

Frequently Asked Questions (FAQ)

Q: Can MAX3226ECAE+ directly replace SP3227ECA-L in existing designs? A: Yes. Both parts share identical RS232 protocol, 1/1 driver/receiver configuration, 16-SSOP package geometry, 500 mV receiver hysteresis, and 3V to 5.5V supply voltage range. Pin-to-pin compatibility is maintained.

Q: What is the significance of the data rate difference (1 Mbps vs. 250 kbps)? A: The SP3227ECA-L operates at 1 Mbps while all substitute parts operate at 250 kbps. Standard RS232 applications typically operate at 115.2 kbps or lower, making the 250 kbps capability of substitutes more than sufficient. The lower data rate does not impact functional compatibility.

Q: How do operating temperature ranges affect substitution? A: The original SP3227ECA-L operates from 0°C to 70°C. Substitute parts with extended ranges (-40°C to 85°C or -40°C to 125°C) provide enhanced performance in wider environmental conditions without compromising compatibility. Parts with narrower ranges (0°C to 70°C) are direct thermal equivalents.

Q: What is the difference between tube, tape & reel, and bulk packaging? A: Packaging affects handling and storage but not electrical function. Tube packaging (SP3227ECA-L, ICL3226EIAZ, MAX3226EAAE+, MAX3226ECAE+, MAX3226EEAE+) is suitable for manual assembly. Tape & Reel (TR) packaging (ICL3226EIAZ-T, ICL3226IAZ-T, MAX3226EAAE+T, MAX3226ECAE+T, MAX3226EEAE+T) is optimized for automated pick-and-place equipment. Bulk packaging (ICL3226IAZ) is for high-volume applications.

Q: Why is MSL rating important for RS232 transceivers? A: Moisture Sensitivity Level (MSL) indicates the component's susceptibility to moisture absorption during storage. MSL 1 (unlimited shelf life) provides superior reliability compared to MSL 2 (1 year shelf life). Substitute parts with MSL 1 ratings reduce risk of solder joint failures and device degradation during extended storage or humid environments.

Q: Are all substitute parts ROHS3 compliant? A: All Renesas and Analog Devices/Maxim substitute parts are explicitly ROHS3 compliant. The Intersil ICL3226IAZ does not specify RoHS status in the provided data. For applications requiring RoHS compliance certification, select from Renesas or Maxim alternatives.

Q: What is the inventory status of substitute parts? A: All substitute parts are listed as active with confirmed stock availability: ICL3226EIAZ (2,400 pcs), ICL3226EIAZ-T (897 pcs), ICL3226IAZ (4,278 pcs), ICL3226IAZ-T (834 pcs), MAX3226EAAE+ (1,555 pcs), MAX3226EAAE+T (3,034 pcs), MAX3226ECAE+ (3,414 pcs), MAX3226ECAE+T (4,900 pcs), MAX3226EEAE+ (2,312 pcs), MAX3226EEAE+T (5,400 pcs).

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