ICL3222ECV-T RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The ICL3222ECV-T 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 production continuity. The device operates across a 3V to 5.5V supply range with a 250 kbps data rate and 500 mV receiver hysteresis, suitable for legacy RS232 communication interfaces requiring low-voltage operation.

Key Parameters

Parameter	ICL3222ECV-T
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex	Full
Data Rate	250 kbps
Voltage Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Receiver Hysteresis	500 mV
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the ICL3222ECV-T is determined by the following critical parameters: RS232 protocol compliance, 2/2 driver/receiver configuration, full-duplex operation, 20-TSSOP or compatible package format, 3V to 5.5V supply voltage range, and surface mount technology. Parts are grouped into three categories based on substitution relationship type:

Parametric Equivalent: Identical electrical specifications and package, differing only in product status and compliance certifications.

Direct Manufacturer Equivalent: Same protocol, driver/receiver count, duplex mode, and package, with variations in data rate, receiver hysteresis, operating temperature range, and product status.

Upgrade/Extended Temperature: Enhanced specifications including extended operating temperature range (-40°C to 85°C) and improved compliance certifications, maintaining core RS232 2/2 transceiver functionality.

Similar Alternative: Functionally equivalent RS232 2/2 transceivers with minor package variations (20-SSOP vs. 20-TSSOP) and parameter differences within acceptable operating margins.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Voltage Supply	Operating Temp	Package	Receiver Hysteresis	Product Status	RoHS Status
ICL3222ECV-T	Renesas	RS232	2/2	250 kbps	3V ~ 5.5V	0°C ~ 70°C	20-TSSOP	500 mV	Obsolete	Non-compliant
ICL3222ECVZ-T	Renesas	RS232	2/2	250 kbps	3V ~ 5.5V	0°C ~ 70°C	20-TSSOP	500 mV	Active	ROHS3 Compliant
MAX3222ECPWR	Texas Instruments	RS232	2/2	500 kbps	3V ~ 5.5V	0°C ~ 70°C	20-TSSOP	300 mV	Active	ROHS3 Compliant
TRS3222ECPW	Texas Instruments	RS232	2/2	500 kbps	3V ~ 5.5V	0°C ~ 70°C	20-TSSOP	300 mV	Last Time Buy	ROHS3 Compliant
MAX3222EIPWR	Texas Instruments	RS232	2/2	500 kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	300 mV	Active	ROHS3 Compliant
TRS3222EIPWR	Texas Instruments	RS232	2/2	500 kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	300 mV	Active	ROHS3 Compliant
ADM3222ARSZ	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	20-SSOP	400 mV	Active	ROHS3 Compliant
ADM3222ARUZ	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	20-TSSOP	400 mV	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Obsolete Stock Transition): ICL3222ECVZ-T is the primary parametric equivalent, maintaining identical electrical specifications while offering active product status and ROHS3 compliance. This part requires no design modification and provides the most direct substitution path.

For Active Production (Recommended): MAX3222EIPWR or TRS3222EIPWR are preferred for new designs. Both offer extended operating temperature range (-40°C to 85°C), active product status, ROHS3 compliance, and higher data rate capability (500 kbps). These parts maintain 20-TSSOP package compatibility and 3V to 5.5V supply voltage range.

For Cost-Optimized Alternatives: MAX3222ECPWR and TRS3222ECPW provide active status and ROHS3 compliance with enhanced data rate performance, though limited to 0°C to 70°C operating range. TRS3222ECPW is designated Last Time Buy and should be evaluated for long-term availability.

For Extended Temperature Applications: ADM3222ARUZ (20-TSSOP package) or ADM3222ARSZ (20-SSOP package) from Analog Devices support -40°C to 85°C operation with 460 kbps data rate. ADM3222ARUZ maintains exact package compatibility; ADM3222ARSZ requires PCB layout adjustment due to 20-SSOP package width (5.30mm vs. 4.40mm).

Compliance Consideration: All recommended substitutes are ROHS3 compliant, addressing the non-compliant status of the original ICL3222ECV-T. This is mandatory for new production and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can ICL3222ECVZ-T be used as a direct drop-in replacement for ICL3222ECV-T? A: Yes. ICL3222ECVZ-T is a parametric equivalent with identical electrical specifications, package format, and pin configuration. The only differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No design changes are required.

Q: What is the primary advantage of MAX3222EIPWR over the original ICL3222ECV-T? A: MAX3222EIPWR offers extended operating temperature range (-40°C to 85°C vs. 0°C to 70°C), doubled data rate capability (500 kbps vs. 250 kbps), active product status, and ROHS3 compliance. It maintains the same 20-TSSOP package and 3V to 5.5V supply voltage range.

Q: Are ADM3222ARSZ and ADM3222ARUZ interchangeable? A: Both are functionally equivalent RS232 2/2 transceivers from Analog Devices with identical electrical specifications. The difference is package format: ADM3222ARUZ uses 20-TSSOP (4.40mm width, compatible with original), while ADM3222ARSZ uses 20-SSOP (5.30mm width). PCB layout must accommodate the package width difference.

Q: Why do some substitutes have different receiver hysteresis values? A: Receiver hysteresis is a design parameter that affects input threshold behavior. The original ICL3222ECV-T specifies 500 mV hysteresis, while Texas Instruments parts (MAX3222, TRS3222) and Analog Devices parts (ADM3222) specify 300 mV and 400 mV respectively. All values remain within RS232 specification tolerances and are functionally compatible for standard communication applications.

Q: What packaging options are available for substitutes? A: Substitutes are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel, and Tube packaging. For surface mount assembly, Tape & Reel and Cut Tape formats are standard. Tube packaging is suitable for manual assembly or lower-volume applications. Package selection does not affect electrical compatibility.

Q: Is the extended temperature range (-40°C to 85°C) necessary for my application? A: Extended temperature range is required only if your application operates outside the 0°C to 70°C range. For standard industrial and commercial environments operating within this range, standard temperature parts (MAX3222ECPWR, TRS3222ECPW) are sufficient and may offer cost advantages.

Q: Can I use a higher data rate part (500 kbps) in place of the 250 kbps original? A: Yes. Higher data rate capability is backward compatible. A 500 kbps transceiver operates correctly at 250 kbps and lower speeds. This provides design margin and future upgrade flexibility without functional impact.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message