SP3232EBEA-L Equivalent & Substitute Parts

Part Overview

The SP3232EBEA-L is a 2/2 transceiver full RS232 interface IC manufactured by MaxLinear, Inc., housed in a 16-SSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates across a 3V to 5.5V supply range with a 250kbps data rate and supports full-duplex RS232 communication with 300mV receiver hysteresis.

Key Parameters

Parameter	SP3232EBEA-L
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Data Rate	250kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Receiver Hysteresis	300mV
Mounting Type	Surface Mount
Package / Case	16-SSOP (0.209", 5.30mm Width)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the SP3232EBEA-L is determined by strict equivalence across the following critical parameters:

RS232 protocol compliance
2/2 driver/receiver configuration
Full-duplex operation
16-SSOP package footprint (0.209", 5.30mm Width)
Surface mount technology
Supply voltage range: 3V ~ 5.5V
Operating temperature range compatibility
Data rate capability of 250kbps or higher

Substitute parts are grouped into two categories based on receiver hysteresis specification:

Category A (300mV Hysteresis): Direct electrical equivalents with identical receiver hysteresis to the original part.

Category B (500mV Hysteresis): Functionally compatible substitutes with higher receiver hysteresis, suitable for applications with greater noise immunity requirements.

All substitute parts maintain the same package geometry, mounting type, and core RS232 transceiver functionality.

Parameter Comparison

Part Number	Manufacturer	Product Status	Receiver Hysteresis	Data Rate	Operating Temperature	Packaging	Inventory
SP3232EBEA-L	MaxLinear, Inc.	Obsolete	300mV	250kbps	-40°C ~ 85°C	-	1906 Pcs
MAX3232EEAE+	Analog Devices Inc./Maxim Integrated	Active	500mV	250kbps	-40°C ~ 85°C	Tube	2000 Pcs
MAX3232EEAE+T	Analog Devices Inc./Maxim Integrated	Active	500mV	250kbps	-40°C ~ 85°C	Cut Tape & Digi-Reel	17900 Pcs
ICL3232ECAZ	Renesas Electronics Corporation	Active	500mV	250kbps	0°C ~ 70°C	Tube	1270 Pcs
ICL3232ECAZ-T	Renesas Electronics Corporation	Active	500mV	250kbps	0°C ~ 70°C	Tape & Reel	30400 Pcs
ICL3232EIAZ	Renesas Electronics Corporation	Active	500mV	250kbps	-40°C ~ 85°C	Tube	23920 Pcs
ICL3232EIAZ-T	Renesas Electronics Corporation	Active	500mV	250kbps	-40°C ~ 85°C	Cut Tape & Digi-Reel	30100 Pcs
MAX3232CAE+	Analog Devices Inc./Maxim Integrated	Active	300mV	235Kbps	0°C ~ 70°C	Tube	1420 Pcs
MAX3232CAE+T	Analog Devices Inc./Maxim Integrated	Active	300mV	235Kbps	0°C ~ 70°C	-	945 Pcs
MAX3232CDBR	Texas Instruments	Active	300mV	250kbps	0°C ~ 70°C	Cut Tape & Digi-Reel	10400 Pcs
MAX3232ECAE+	Analog Devices Inc./Maxim Integrated	Active	500mV	1Mbps	0°C ~ 70°C	Tube	2780 Pcs

Engineering Selection Recommendations

All substitute parts listed are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current manufacturing and deployment.

For applications requiring full temperature range operation (-40°C to 85°C), select from: MAX3232EEAE+, MAX3232EEAE+T, ICL3232EIAZ, or ICL3232EIAZ-T.

For applications operating within 0°C to 70°C, all substitute parts are suitable.

For applications requiring 300mV receiver hysteresis matching the original SP3232EBEA-L specification, select from: MAX3232CAE+, MAX3232CAE+T, or MAX3232CDBR. Note that MAX3232CAE+ and MAX3232CAE+T operate at 235Kbps, while MAX3232CDBR maintains 250kbps data rate.

For applications where higher receiver hysteresis (500mV) provides system benefit, MAX3232EEAE+, MAX3232EEAE+T, ICL3232ECAZ, ICL3232ECAZ-T, ICL3232EIAZ, and ICL3232EIAZ-T are suitable alternatives.

For high-speed applications requiring 1Mbps data rate capability, MAX3232ECAE+ is available, though this exceeds the original part's 250kbps specification.

Frequently Asked Questions (FAQ)

Q: Can MAX3232EEAE+ directly replace SP3232EBEA-L in existing designs?

A: Yes. Both parts share identical 16-SSOP package geometry, 2/2 transceiver configuration, RS232 protocol, full-duplex operation, and 3V to 5.5V supply range. The MAX3232EEAE+ operates across the full -40°C to 85°C temperature range and maintains 250kbps data rate. The 500mV receiver hysteresis (versus 300mV in the original) provides enhanced noise immunity without affecting functional compatibility.

Q: What is the difference between ICL3232ECAZ and ICL3232EIAZ?

A: Both are Renesas RS232 transceivers in 16-SSOP packages with identical electrical specifications. The primary difference is operating temperature range: ICL3232ECAZ operates 0°C to 70°C, while ICL3232EIAZ operates -40°C to 85°C. Select based on your application's temperature requirements.

Q: Why do some substitutes have different data rates?

A: MAX3232CAE+ and MAX3232CAE+T specify 235Kbps, while most others specify 250kbps or higher. For applications requiring exactly 250kbps or higher, avoid the 235Kbps variants. For lower-speed RS232 applications, the 235Kbps parts are fully compatible.

Q: What packaging options are available?

A: Substitutes are available in Tube, Cut Tape & Digi-Reel, and Tape & Reel formats. Select based on your procurement and assembly requirements. All maintain identical 16-SSOP footprint.

Q: Are all substitutes RoHS compliant?

A: Yes. All active substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Can I use MAX3232ECAE+ as a substitute?

A: MAX3232ECAE+ is functionally compatible but operates at 1Mbps data rate, exceeding the original 250kbps specification. It is suitable for applications where higher speed capability is beneficial or neutral. Operating temperature range is 0°C to 70°C.

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