ICL3232ECV-20Z RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The ICL3232ECV-20Z is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation in a 20-TSSOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The ICL3232ECV-20Z operates across a 3V to 5.5V supply range with a 250kbps data rate and 500mV receiver hysteresis, suitable for legacy RS232 communication interfaces in industrial and embedded applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	ICL3232ECV-20Z
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Voltage - Supply	3V ~ 5.5V
Data Rate	250kbps
Receiver Hysteresis	500 mV
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the ICL3232ECV-20Z is determined by the following critical parameters:

Protocol: RS232 (all substitutes must maintain RS232 compatibility)
Number of Drivers/Receivers: 2/2 (channel configuration must match)
Duplex: Full (bidirectional communication capability)
Package / Case: 20-TSSOP (physical footprint compatibility)
Voltage - Supply: 3V ~ 5.5V (operating voltage range)
Receiver Hysteresis: 500 mV (signal threshold specification)
Data Rate: 250kbps minimum (functional performance requirement)
Operating Temperature: 0°C ~ 70°C (thermal operating range)
RoHS Status: ROHS3 Compliant (environmental compliance)

Substitute parts are grouped into two categories:

Parametric Equivalents maintain identical electrical and mechanical specifications across all critical parameters, enabling direct replacement without design modification.

Similar Substitutes share the same protocol, channel configuration, package family, and voltage range but may differ in data rate, operating temperature range, or receiver hysteresis. These require design verification before implementation.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Package	Voltage Supply	Data Rate	Receiver Hysteresis	Operating Temp	Product Status	RoHS Status
ICL3232ECV-20Z	Renesas	RS232	2/2	20-TSSOP	3V ~ 5.5V	250kbps	500 mV	0°C ~ 70°C	Obsolete	ROHS3
ICL3222ECVZ	Renesas	RS232	2/2	20-TSSOP	3V ~ 5.5V	250kbps	500 mV	0°C ~ 70°C	Active	ROHS3
MAX3232ECUP+	Analog Devices/Maxim	RS232	2/2	20-TSSOP	3V ~ 5.5V	1Mbps	500 mV	0°C ~ 70°C	Active	ROHS3
MAX3232ECUP+T	Analog Devices/Maxim	RS232	2/2	20-TSSOP	3V ~ 5.5V	1Mbps	500 mV	0°C ~ 70°C	Active	ROHS3
MAX3232EEUP+	Analog Devices/Maxim	RS232	2/2	20-TSSOP	3V ~ 5.5V	250kbps	500 mV	-40°C ~ 85°C	Active	ROHS3
MAX3232EEUP+T	Analog Devices/Maxim	RS232	2/2	20-TSSOP	3V ~ 5.5V	250kbps	500 mV	-40°C ~ 85°C	Active	ROHS3
MAX3223ECUP+	Analog Devices/Maxim	RS232	2/2	20-TSSOP	3V ~ 5.5V	250kbps	500 mV	0°C ~ 70°C	Active	ROHS3
MAX3224CUP+	Analog Devices/Maxim	RS232	2/2	20-TSSOP	3V ~ 5.5V	250kbps	500 mV	0°C ~ 70°C	Active	ROHS3
SP3232EHCY-L/TR	MaxLinear	RS232	2/2	16-TSSOP	3V ~ 5.5V	460Kbps	300 mV	0°C ~ 70°C	Active	RoHS
ICL3232EIV-16Z	Renesas	RS232	2/2	16-TSSOP	3V ~ 5.5V	250kbps	500 mV	-40°C ~ 85°C	Active	ROHS3

Engineering Selection Recommendations

Direct Parametric Equivalent (Recommended for Obsolete Part Replacement)

ICL3222ECVZ is the primary substitute for ICL3232ECV-20Z. Both parts share identical electrical specifications (250kbps data rate, 500mV receiver hysteresis, 0°C to 70°C operating range) and identical 20-TSSOP packaging. ICL3222ECVZ is active in production status with ROHS3 compliance and higher inventory availability (2300 pcs vs. 967 pcs), making it the optimal choice for direct replacement without design modification.

Extended Temperature Range Alternatives

MAX3232EEUP+ and MAX3232EEUP+T provide identical electrical performance to the main part but extend the operating temperature range to -40°C to 85°C. These parts are manufactured by Analog Devices/Maxim Integrated with active product status and ROHS3 compliance. Selection of these variants is appropriate when designs require enhanced thermal operating margins or industrial temperature specifications.

Higher Data Rate Variants

MAX3232ECUP+ and MAX3232ECUP+T support 1Mbps data rates compared to the 250kbps specification of ICL3232ECV-20Z. These parts maintain identical 20-TSSOP packaging, voltage range, and receiver hysteresis. Higher data rate capability provides design flexibility for future bandwidth requirements without physical redesign.

Package Footprint Alternatives

ICL3232EIV-16Z and SP3232EHCY-L/TR utilize 16-TSSOP packaging instead of 20-TSSOP. These parts are suitable only when PCB layout permits package downsizing. ICL3232EIV-16Z maintains Renesas manufacturing continuity with extended temperature range (-40°C to 85°C). SP3232EHCY-L/TR is manufactured by MaxLinear with higher data rate capability (460Kbps) but reduced receiver hysteresis (300mV vs. 500mV).

Compliance and Availability Considerations

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, matching the environmental certifications of the original part. Inventory availability varies significantly across alternatives, with SP3232EHCY-L/TR offering the highest stock level (32,800 pcs). Selection should balance compliance requirements, thermal specifications, and supply chain availability for the target application.

Frequently Asked Questions (FAQ)

Q: Can MAX3232ECUP+ directly replace ICL3232ECV-20Z?

A: Yes, with design verification. Both parts share identical 20-TSSOP packaging, 2/2 RS232 configuration, 3V to 5.5V supply range, and 500mV receiver hysteresis. MAX3232ECUP+ operates at 1Mbps compared to 250kbps, providing higher performance margin. Operating temperature range is identical (0°C to 70°C). No PCB layout changes are required.

Q: What is the difference between ICL3222ECVZ and ICL3232ECV-20Z?

A: Both parts are manufactured by Renesas with identical electrical specifications and 20-TSSOP packaging. The primary difference is product status: ICL3232ECV-20Z is obsolete while ICL3222ECVZ is active in production. ICL3222ECVZ is the recommended substitute for obsolete part replacement.

Q: Can I use SP3232EHCY-L/TR as a substitute?

A: SP3232EHCY-L/TR is compatible with RS232 protocol and 2/2 channel configuration but differs in three parameters: 16-TSSOP package (vs. 20-TSSOP), 460Kbps data rate (vs. 250kbps), and 300mV receiver hysteresis (vs. 500mV). This part is suitable only when PCB layout accommodates 16-TSSOP footprint and the reduced hysteresis specification meets application requirements.

Q: What is the advantage of MAX3232EEUP+ over ICL3222ECVZ?

A: MAX3232EEUP+ extends the operating temperature range to -40°C to 85°C compared to ICL3222ECVZ at 0°C to 70°C. Both parts maintain identical 250kbps data rate, 500mV receiver hysteresis, and 20-TSSOP packaging. MAX3232EEUP+ is appropriate for industrial or automotive applications requiring wider thermal operating margins.

Q: Are all substitutes ROHS3 compliant?

A: All recommended substitutes except SP3232EHCY-L/TR carry ROHS3 certification. SP3232EHCY-L/TR is RoHS compliant but not specifically ROHS3 certified. Verify compliance requirements for your specific application before selection.

Q: Does packaging type affect electrical performance?

A: Packaging type (Tube, Cut Tape, Tape & Reel) does not affect electrical performance. These designations indicate supply format and handling method only. Electrical specifications remain identical across packaging variants of the same part number.

Q: Can I substitute a 16-TSSOP part for a 20-TSSOP part?

A: No, without PCB redesign. 16-TSSOP and 20-TSSOP packages have different pin counts and physical footprints. Substitution requires PCB layout modification and re-routing of connections. Verify pin-to-pin compatibility before implementing package changes.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message