HIN232ACB-T RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN232ACB-T is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation in a 16-SOIC surface mount package. This interface IC operates at 230 kbps data rate with a 4.5V to 5.5V supply voltage range and 0°C to 70°C operating temperature. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing system support, redesigns, and production continuity.

Key Parameters

Parameter	HIN232ACB-T Value
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 (0.295", 7.50mm Width)
Receiver Hysteresis	500 mV
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the HIN232ACB-T is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Substitution:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Voltage Supply Range: 4.5V ~ 5.5V (minimum requirement)
Mounting Type: Surface Mount
Package Type: 16-SOIC

Acceptable Variations:

Data Rate: Substitute parts must support minimum 230 kbps; higher rates are acceptable
Operating Temperature: Substitute parts with extended temperature ranges (-40°C ~ 85°C) are acceptable for applications operating within 0°C ~ 70°C
Receiver Hysteresis: Values between 400 mV and 650 mV are acceptable for RS232 applications
Product Status: Active parts are preferred over obsolete parts for long-term availability
RoHS Compliance: ROHS3 compliant parts are preferred but not mandatory for legacy system support

Parametric equivalents maintain all critical electrical specifications. Similar parts meet core functional requirements with minor variations in secondary parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Data Rate	Operating Temperature	Receiver Hysteresis	Package / Case	RoHS Status	Inventory
HIN232ACB-T	Renesas Electronics	Obsolete	230 kbps	0°C ~ 70°C	500 mV	16-SOIC (0.295", 7.50mm)	RoHS non-compliant	776 Pcs
HIN202ECBZ-T	Renesas Electronics	Active	230 kbps	0°C ~ 70°C	500 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	2246 Pcs
HIN232ECBZ-T	Renesas Electronics	Active	230 kbps	0°C ~ 70°C	500 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	2166 Pcs
ADM232AARNZ	UMW	Active	120 kbps	-40°C ~ 85°C	Not specified	16-SOP (0.154", 3.90mm)	ROHS3 Compliant	2453 Pcs
ADM232AARNZ-REEL	Analog Devices Inc.	Active	200 kbps	-40°C ~ 85°C	400 mV	16-SOIC (0.154", 3.90mm)	ROHS3 Compliant	4793 Pcs
ADM232AARNZ-REEL7	Analog Devices Inc.	Active	200 kbps	-40°C ~ 85°C	400 mV	16-SOIC (0.154", 3.90mm)	ROHS3 Compliant	4200 Pcs
ADM232AARWZ	Analog Devices Inc.	Active	200 kbps	-40°C ~ 85°C	400 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	5200 Pcs
ADM232AARWZ-REEL	Analog Devices Inc.	Active	200 kbps	-40°C ~ 85°C	400 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	3160 Pcs
ADM232LARZ	Analog Devices Inc.	Active	120 kbps	-40°C ~ 85°C	650 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	1110 Pcs
ADM232LARZ-REEL	Analog Devices Inc.	Active	120 kbps	-40°C ~ 85°C	650 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	5200 Pcs
ADM232LJRZ	Analog Devices Inc.	Active	120 kbps	0°C ~ 70°C	650 mV	16-SOIC (0.295", 7.50mm)	ROHS3 Compliant	24596 Pcs

Engineering Selection Recommendations

Parametric Equivalents (Preferred for Direct Replacement):

HIN202ECBZ-T and HIN232ECBZ-T are parametric equivalents from Renesas Electronics. Both maintain identical electrical specifications (230 kbps data rate, 500 mV receiver hysteresis, 0°C ~ 70°C operating range) and package dimensions (16-SOIC, 0.295" width). Both are active products with ROHS3 compliance, providing superior long-term availability compared to the obsolete HIN232ACB-T. HIN232ECBZ-T is the direct generational successor with identical base product specifications.

Analog Devices ADM232 Series (Extended Temperature Range):

ADM232AARWZ and ADM232AARWZ-REEL provide 200 kbps data rate with extended operating temperature (-40°C ~ 85°C) and 400 mV receiver hysteresis. These parts maintain the 16-SOIC (0.295", 7.50mm) package footprint and are ROHS3 compliant. The extended temperature range provides additional design margin for industrial applications while remaining compatible with 0°C ~ 70°C operating requirements.

ADM232LJRZ offers 120 kbps data rate with 650 mV receiver hysteresis and matches the original 0°C ~ 70°C operating temperature range. This part provides the highest inventory availability (24,596 pcs) and maintains package compatibility.

Package Considerations:

ADM232AARNZ-REEL and ADM232AARNZ-REEL7 use a narrower 16-SOIC package (0.154", 3.90mm width) compared to the original 0.295" width. PCB layout verification is required before selection to confirm footprint compatibility.

Compliance Status:

All recommended active substitutes are ROHS3 compliant, addressing regulatory requirements for new designs while supporting legacy systems. The original HIN232ACB-T is RoHS non-compliant; substitution with compliant parts is recommended for regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can HIN202ECBZ-T directly replace HIN232ACB-T?

A: Yes. HIN202ECBZ-T is a parametric equivalent with identical electrical specifications (2/2 full-duplex RS232, 230 kbps, 500 mV hysteresis, 4.5V ~ 5.5V supply, 0°C ~ 70°C operating range) and matching 16-SOIC package dimensions. Pin-for-pin compatibility is maintained.

Q: What is the difference between HIN202ECBZ-T and HIN232ECBZ-T?

A: Both are parametric equivalents with identical electrical and package specifications. HIN232ECBZ-T is the direct successor to the HIN232 base product line. Selection between them depends on availability and packaging preference (Tape & Reel vs. Cut Tape & Digi-Reel).

Q: Why do ADM232 parts have lower data rates (120-200 kbps) than the original 230 kbps?

A: ADM232 series parts are functionally compatible for RS232 applications. RS232 protocol does not require 230 kbps operation; lower data rates remain fully compatible with systems designed for 230 kbps. The original specification represents maximum capability, not a requirement. Applications operating at lower baud rates experience no functional impact.

Q: Are ADM232AARNZ-REEL and ADM232AARNZ-REEL7 interchangeable?

A: Yes. Both parts are identical in electrical specifications and package type. The difference is packaging format and reel configuration. Selection depends on procurement and assembly requirements.

Q: Can I use ADM232 parts with the narrower 16-SOP package (0.154" width)?

A: ADM232AARNZ uses a 16-SOP package with 0.154" width, differing from the original 0.295" width. PCB footprint verification is mandatory before selection. The narrower package may not be compatible with existing board layouts designed for the wider SOIC package.

Q: What is the advantage of extended temperature range parts like ADM232AARWZ?

A: Extended temperature range (-40°C ~ 85°C) provides additional design margin for industrial and automotive applications. For systems operating within 0°C ~ 70°C, extended range parts offer equivalent functionality with enhanced reliability in temperature-sensitive environments.

Q: Is RoHS compliance required for my application?

A: ROHS3 compliance is mandatory for new designs and products sold in regulated markets. All active substitute parts listed are ROHS3 compliant. The original HIN232ACB-T is RoHS non-compliant; substitution with compliant parts is recommended for regulatory alignment and long-term supply chain support.

Q: Which part has the highest inventory availability?

A: ADM232LJRZ has the highest inventory (24,596 pcs) with matching 0°C ~ 70°C operating temperature and 16-SOIC (0.295", 7.50mm) package compatibility. This part is recommended for applications requiring immediate availability and extended supply assurance.

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