ICL3232EIV-20Z Equivalent & Substitute Parts

Part Overview

The ICL3232EIV-20Z is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation in a 20-TSSOP surface mount package. This component operates across a 3V to 5.5V supply voltage range with a 250kbps data rate and supports operating temperatures from -40°C to 85°C. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	ICL3232EIV-20Z
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	250kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	20-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the ICL3232EIV-20Z is determined by strict equivalence across the following critical parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Receiver Hysteresis: 500 mV
Data Rate: 250kbps
Voltage - Supply: 3V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
RoHS Status: ROHS3 Compliant

Substitute parts are categorized into two groups:

Parametric Equivalents: Parts that match all critical electrical and mechanical parameters of the ICL3232EIV-20Z, including data rate, operating temperature range, and supply voltage specifications.

Similar Parts: Parts that share the same protocol, package, and core functionality but differ in one or more parameters such as data rate or operating temperature range. These require design verification before substitution.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Operating Temp	Package	Product Status	MSL
ICL3232EIV-20Z	Renesas	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Obsolete	3
ICL3222EIVZ	Renesas	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	3
ICL3223EIVZ	Renesas	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	3
MAX3232ECUP+	Analog Devices/Maxim	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	20-TSSOP	Active	1
MAX3232ECUP+T	Analog Devices/Maxim	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	20-TSSOP	Active	1
MAX3232EEUP+T	Analog Devices/Maxim	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	1
MAX13223EEUP+	Analog Devices/Maxim	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	1
MAX13234EAUP+	Analog Devices/Maxim	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	1
MAX13234EEUP+	Analog Devices/Maxim	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	1
MAX3223IPW	Texas Instruments	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Obsolete	1
MAX3224EEUP+	Analog Devices/Maxim	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	Active	1

Engineering Selection Recommendations

Parametric Equivalents (Recommended Primary Substitutes):

ICL3222EIVZ and ICL3223EIVZ from Renesas maintain full electrical and thermal equivalence to the ICL3232EIV-20Z. Both are active products with identical data rate (250kbps), operating temperature range (-40°C to 85°C), and supply voltage specifications. These parts are ROHS3 compliant and represent the most direct substitution path.

MAX3232EEUP+T, MAX13223EEUP+, MAX13234EAUP+, MAX13234EEUP+, and MAX3224EEUP+ from Analog Devices/Maxim are parametric equivalents with matching electrical specifications. All are active products with superior moisture sensitivity levels (MSL 1 vs. MSL 3), providing enhanced reliability in humid environments. These parts are ROHS3 compliant.

Similar Parts (Conditional Substitution):

MAX3232ECUP+ and MAX3232ECUP+T operate at higher data rates (1Mbps) and narrower temperature ranges (0°C to 70°C). These parts are suitable only for applications that do not require the full -40°C to 85°C operating range and can tolerate higher data rates.

MAX3223IPW from Texas Instruments is obsolete and not recommended for new designs despite parametric equivalence.

Frequently Asked Questions (FAQ)

Q: Can I substitute ICL3232EIV-20Z with MAX3232ECUP+ or MAX3232ECUP+T?

A: These parts differ in operating temperature range (0°C to 70°C vs. -40°C to 85°C) and data rate (1Mbps vs. 250kbps). Substitution is valid only if your application operates within 0°C to 70°C and does not require the extended low-temperature capability of the original part.

Q: What is the difference between ICL3222EIVZ and ICL3223EIVZ?

A: Both are parametric equivalents to ICL3232EIV-20Z with identical electrical and thermal specifications. The difference lies in the base product number (ICL3222 vs. ICL3223), but both meet all substitution criteria for the ICL3232EIV-20Z.

Q: Why do Analog Devices/Maxim parts have MSL 1 while the original part has MSL 3?

A: MSL 1 (Unlimited) indicates superior moisture resistance compared to MSL 3 (168 Hours). This is a material advantage that does not affect electrical compatibility but improves handling and storage reliability.

Q: Are all substitute parts available in the same packaging?

A: All listed substitutes use the 20-TSSOP package. However, packaging format (Tube, Cut Tape, Tape & Reel) varies by part number. Verify packaging compatibility with your procurement and assembly processes.

Q: Can I use MAX3223IPW as a substitute?

A: MAX3223IPW is parametrically equivalent but classified as obsolete. It is not recommended for new designs or long-term production due to discontinued status.

Q: What is the key parameter that determines substitutability?

A: The critical parameters are protocol (RS232), driver/receiver configuration (2/2), package (20-TSSOP), data rate (250kbps), operating temperature range (-40°C to 85°C), and supply voltage (3V to 5.5V). Parts matching all these parameters are direct substitutes.

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