HIN232ACBN-T RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN232ACBN-T is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation in a 16-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a 4.5V to 5.5V supply range with a maximum data rate of 230 kbps and supports full RS232 protocol communication with 500 mV receiver hysteresis.

Key Parameters

Parameter	Value
Manufacturer Part Number	HIN232ACBN-T
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Data Rate	230 kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Receiver Hysteresis	500 mV
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the HIN232ACBN-T is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Voltage Supply Range: 4.5V ~ 5.5V
Mounting Type: Surface Mount
Package / Case: 16-SOIC form factor

Acceptable Variation Parameters:

Data Rate: Substitute parts must support minimum 230 kbps or higher
Operating Temperature: Substitute parts may extend the temperature range beyond 0°C ~ 70°C
Receiver Hysteresis: Variation within 400 mV to 650 mV is acceptable for RS232 operation
Product Status: Active parts are preferred over obsolete classifications
RoHS Compliance: ROHS3 compliant parts are preferred for regulatory alignment

Substitute parts are grouped into two categories: parametric equivalents (matching all critical parameters with active product status) and similar alternatives (meeting core electrical requirements with minor variations in secondary parameters).

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Operating Temp	Package	Receiver Hysteresis	Product Status	RoHS Status
HIN232ACBN-T	Renesas	RS232	2/2	230 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC (0.154")	500 mV	Obsolete	RoHS non-compliant
HIN202ECBNZ-T	Renesas	RS232	2/2	230 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC (0.154")	500 mV	Active	ROHS3 Compliant
HIN232ACBNZ-T	Renesas	RS232	2/2	230 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC (0.154")	500 mV	Active	ROHS3 Compliant
ADM232AARNZ	UMW	RS232	2/2	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC (0.154")	Not specified	Active	ROHS3 Compliant
ADM232AARNZ-REEL	Analog Devices	RS232	2/2	200 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC (0.154")	400 mV	Active	ROHS3 Compliant
ADM232AARNZ-REEL7	Analog Devices	RS232	2/2	200 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC (0.154")	400 mV	Active	ROHS3 Compliant
ADM232LARZ	Analog Devices	RS232	2/2	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC (0.295")	650 mV	Active	ROHS3 Compliant
ADM232LARZ-REEL	Analog Devices	RS232	2/2	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC (0.295")	650 mV	Active	ROHS3 Compliant
LT1081CSW#PBF	Analog Devices	RS232	2/2	250 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC (0.295")	400 mV	Active	ROHS3 Compliant
LT1081CSW#TRPBF	Analog Devices	RS232	2/2	250 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC (0.295")	400 mV	Active	ROHS3 Compliant
LT1081ISW#PBF	Analog Devices	RS232	2/2	250 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC (0.295")	400 mV	Active	ROHS3 Compliant

Engineering Selection Recommendations

Parametric Equivalents (Preferred for Direct Replacement):

HIN202ECBNZ-T and HIN232ACBNZ-T are parametric equivalents manufactured by Renesas Electronics Corporation. Both parts match all critical electrical and mechanical specifications of the HIN232ACBN-T while offering active product status and ROHS3 compliance. These parts are recommended as primary substitutes for new designs and production continuity.

Similar Alternatives (Conditional Substitution):

Analog Devices ADM232 series parts (ADM232AARNZ-REEL, ADM232AARNZ-REEL7) provide full RS232 2/2 transceiver functionality with extended operating temperature range (-40°C to 85°C) and ROHS3 compliance. Data rate is 200 kbps, which meets the minimum requirement. Receiver hysteresis is 400 mV, within acceptable RS232 operating margins.

LT1081 series parts (LT1081CSW#PBF, LT1081CSW#TRPBF, LT1081ISW#PBF) offer higher data rate capability (250 kbps) and ROHS3 compliance. Operating temperature ranges from 0°C to 70°C (LT1081CSW variants) or -40°C to 85°C (LT1081ISW#PBF). Package width is 0.295" compared to the original 0.154", requiring PCB layout verification.

ADM232LARZ and ADM232LARZ-REEL parts support 120 kbps data rate with extended temperature range and ROHS3 compliance. Package width is 0.295", requiring layout consideration.

UMW ADM232AARNZ operates at 120 kbps with extended temperature range and ROHS3 compliance, suitable for lower-speed applications.

Frequently Asked Questions (FAQ)

Q: Can HIN202ECBNZ-T directly replace HIN232ACBN-T?

A: Yes. HIN202ECBNZ-T matches all critical parameters: RS232 protocol, 2/2 drivers/receivers, full duplex, 4.5V to 5.5V supply, 230 kbps data rate, 0°C to 70°C operating temperature, and 16-SOIC (0.154") package. It offers active product status and ROHS3 compliance.

Q: What is the difference between HIN202ECBNZ-T and HIN232ACBNZ-T?

A: Both are parametric equivalents with identical electrical specifications and package dimensions. The primary difference is the base product number (HIN202 versus HIN232) and moisture sensitivity level (MSL 2 versus MSL 3). Both are active, ROHS3 compliant, and suitable for direct substitution.

Q: Can Analog Devices ADM232AARNZ-REEL replace the HIN232ACBN-T?

A: ADM232AARNZ-REEL is a similar alternative meeting core RS232 2/2 transceiver requirements with 4.5V to 5.5V supply and 16-SOIC package. Data rate is 200 kbps (versus 230 kbps), and operating temperature extends to -40°C to 85°C. Receiver hysteresis is 400 mV. This part is suitable for applications where extended temperature range is beneficial and data rate requirement is met.

Q: Why do some substitute parts have different package widths (0.295" versus 0.154")?

A: Package width variation affects PCB footprint and board layout. Parts with 0.295" width (ADM232LARZ, LT1081 series) require verification that the physical package dimensions are compatible with existing PCB designs. Electrical functionality remains equivalent for RS232 protocol operation.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts are ROHS3 compliant. The original HIN232ACBN-T is RoHS non-compliant. Selecting a ROHS3 compliant substitute aligns with current regulatory requirements.

Q: What is the significance of data rate differences among substitutes?

A: The HIN232ACBN-T operates at 230 kbps. Substitute parts with equal or higher data rates (LT1081 at 250 kbps, ADM232AARNZ-REEL at 200 kbps) are fully compatible. Parts with lower data rates (ADM232LARZ, ADM232AARNZ at 120 kbps) are suitable only for applications where the lower bandwidth is acceptable.

Q: What does receiver hysteresis variation mean for substitution?

A: Receiver hysteresis (400 mV to 650 mV across substitutes) affects noise immunity in RS232 communication. The original part specifies 500 mV. Variations within this range maintain RS232 protocol compliance and do not impact functional compatibility in standard applications.

Q: Which substitute offers the best temperature range coverage?

A: Analog Devices LT1081ISW#PBF and ADM232 series parts operate from -40°C to 85°C, providing extended temperature coverage compared to the original 0°C to 70°C range. This is beneficial for industrial and automotive applications requiring wider operating conditions.

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