ICL3232ECBZ Equivalent & Substitute Parts

Part Overview

The ICL3232ECBZ is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation, housed in a 16-SOIC surface mount package. This interface IC operates across a 3V to 5.5V supply range with a 250 kbps data rate and is designed for applications requiring RS232 serial communication. The part maintains Active product status with ROHS3 compliance and is currently in stock with 2,125 units available.

Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional equivalence within the RS232 transceiver category. Substitutes must maintain the same 2/2 driver/receiver configuration, full-duplex operation, and compatible package footprints to ensure direct replacement capability.

Key Parameters

Parameter	ICL3232ECBZ Value
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	250 kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the ICL3232ECBZ is determined by the following critical parameters:

Mandatory Matching Criteria:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Mounting Type: Surface Mount
Voltage Supply Range: 3V ~ 5.5V (minimum overlap required)
Package Type: 16-SOIC (mechanical compatibility)

Allowable Variation Parameters:

Receiver Hysteresis: 300 mV to 500 mV (within acceptable RS232 input threshold specifications)
Data Rate: 120 kbps to 460 kbps (all exceed minimum RS232 requirements)
Operating Temperature: Extended ranges acceptable for general-purpose applications
MSL Rating: Variations acceptable based on application storage conditions
Manufacturer: Multiple qualified sources acceptable

Substitute parts are grouped by package width specification (0.154" or 0.295") and packaging format (Tube, Cut Tape, Tape & Reel) to facilitate inventory and procurement flexibility while maintaining electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Temp Range	Package Width	Hysteresis	Packaging
ICL3232ECBZ	Renesas	RS232	2/2	250 kbps	3V ~ 5.5V	0°C ~ 70°C	0.295"	500 mV	Tube
ADM3202ARNZ	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.154"	400 mV	Tube
ADM3202ARNZ-REEL	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.154"	400 mV	Cut Tape & Digi-Reel
ADM3202ARNZ-REEL7	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.154"	400 mV	Cut Tape & Digi-Reel
ADM3202ARWZ	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.295"	400 mV	Tube
ADM3202ARWZ-REEL	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.295"	400 mV	Cut Tape & Digi-Reel
ADM3202ARWZ-REEL7	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.295"	400 mV	Tape & Reel
ADM3232EARNZ-REEL7	Analog Devices	RS232	2/2	460 kbps	3V ~ 5.5V	-40°C ~ 85°C	0.154"	500 mV	Cut Tape & Digi-Reel
MAX202CWE+	Analog Devices/Maxim	RS232	2/2	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	0.295"	500 mV	Tube
MAX202CWE+T	Analog Devices/Maxim	RS232	2/2	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	0.295"	500 mV	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Direct Substitutes (Identical Package Width - 0.295"):

ADM3202ARWZ and ADM3202ARWZ-REEL are the primary substitutes for the ICL3232ECBZ. Both maintain the 0.295" package width for direct PCB footprint compatibility. These Analog Devices parts offer extended operating temperature range (-40°C to 85°C) and higher data rate capability (460 kbps) while maintaining the 3V to 5.5V supply voltage specification. Both are ROHS3 compliant with MSL 1 rating, providing superior moisture handling compared to the ICL3232ECBZ MSL 3 specification. Inventory availability is 1,515 units (Tube) and 1,700 units (Cut Tape & Digi-Reel).

MAX202CWE+ and MAX202CWE+T maintain identical package width and operating temperature range as the ICL3232ECBZ. These Maxim Integrated parts are suitable for applications where the 4.5V to 5.5V supply voltage range is acceptable. Data rate is limited to 120 kbps, which remains compliant with standard RS232 applications. Both are ROHS3 compliant with MSL 1 rating. Inventory availability is 2,200 units (Tube) and 16,875 units (Cut Tape & Digi-Reel).

Alternative Substitutes (Narrower Package Width - 0.154"):

ADM3202ARNZ, ADM3202ARNZ-REEL, and ADM3202ARNZ-REEL7 offer the same electrical specifications as ADM3202ARWZ but with a narrower 0.154" package width. These parts require PCB layout modification and are suitable only when space constraints justify redesign. All three variants are ROHS3 compliant with MSL 1 rating and offer 460 kbps data rate with -40°C to 85°C operating range.

ADM3232EARNZ-REEL7 provides 500 mV receiver hysteresis matching the ICL3232ECBZ specification with a narrower 0.154" package width. This part is ROHS3 compliant with MSL 1 rating and 460 kbps data rate capability.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory requirements of the ICL3232ECBZ. All parts are classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring consistent export and tariff classification.

Frequently Asked Questions (FAQ)

Q: Can ADM3202ARWZ replace ICL3232ECBZ in existing designs without PCB modification?

A: Yes. The ADM3202ARWZ maintains the identical 0.295" package width and 16-SOIC footprint as the ICL3232ECBZ. Both parts are surface mount with matching pin configurations for RS232 2/2 transceiver operation. No PCB layout changes are required.

Q: What is the difference between ADM3202ARWZ and ADM3202ARNZ?

A: The primary difference is package width. ADM3202ARWZ uses a 0.295" wide 16-SOIC package, while ADM3202ARNZ uses a 0.154" wide 16-SOIC package. Electrical specifications are identical. The narrower package requires PCB redesign and is not a direct drop-in replacement.

Q: Why does the ICL3232ECBZ have MSL 3 while substitute parts have MSL 1?

A: MSL (Moisture Sensitivity Level) indicates moisture absorption during storage. MSL 3 allows 168 hours of floor life before baking is required, while MSL 1 allows unlimited floor life. Substitute parts with MSL 1 provide superior moisture tolerance and longer shelf life without requiring bake-out procedures.

Q: Is the MAX202CWE+ suitable for 3V applications?

A: No. The MAX202CWE+ operates within a 4.5V to 5.5V supply voltage range and is not suitable for 3V applications. The ICL3232ECBZ and ADM3202 series support the full 3V to 5.5V range and are the correct choice for 3V systems.

Q: What is the significance of the 250 kbps data rate on the ICL3232ECBZ compared to 460 kbps on ADM3202 substitutes?

A: Both data rates exceed standard RS232 communication requirements. The 250 kbps specification on the ICL3232ECBZ is conservative and suitable for typical serial communication applications. The 460 kbps capability on ADM3202 parts provides additional performance margin without affecting compatibility in standard applications.

Q: Can I use ADM3202ARNZ-REEL7 in place of ADM3202ARWZ-REEL7?

A: Both parts are electrically identical with the same 460 kbps data rate, -40°C to 85°C operating range, and ROHS3 compliance. The difference is package width: ADM3202ARNZ-REEL7 uses 0.154" width while ADM3202ARWZ-REEL7 uses 0.295" width. Direct substitution requires matching package width to avoid PCB redesign.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory requirements of the ICL3232ECBZ.

Q: What packaging options are available for the ADM3202ARWZ?

A: The ADM3202ARWZ is available in three packaging formats: Tube (1,515 units in stock), Cut Tape & Digi-Reel (1,700 units in stock), and Tape & Reel (1,310 units in stock). Selection depends on assembly process requirements and inventory management preferences.

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