HIN232ECBN RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN232ECBN 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 classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	HIN232ECBN
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
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the HIN232ECBN is determined by the following critical parameters:

Primary Substitution Criteria:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Voltage - Supply: 4.5V ~ 5.5V
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Secondary Compatibility Factors:

Data Rate: Minimum 230 kbps or higher
Receiver Hysteresis: 400 mV to 500 mV acceptable
Operating Temperature: Must encompass or exceed 0°C ~ 70°C range

Parts are grouped into two categories:

Parametric Equivalents match all primary criteria with identical or superior electrical specifications and active product status:

HIN202ECBNZ (Renesas, active, ROHS3 compliant)
HIN232ACBNZ (Renesas, active, ROHS3 compliant)

Similar Substitutes meet primary criteria with minor variations in data rate, receiver hysteresis, or extended operating temperature ranges:

ADM232AARNZ series (UMW/Analog Devices, active, extended temperature)
LT1381 series (Analog Devices, active, higher data rate)
MAX202CSE+ (Analog Devices/Maxim, active, lower data rate)

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Operating Temp	Package	Product Status	RoHS Status
HIN232ECBN	Renesas	RS232	2/2	230 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	Obsolete	Non-compliant
HIN202ECBNZ	Renesas	RS232	2/2	230 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
HIN232ACBNZ	Renesas	RS232	2/2	230 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
ADM232AARNZ	UMW	RS232	2/2	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
ADM232AARNZ-REEL	Analog Devices Inc.	RS232	2/2	200 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
ADM232AARNZ-REEL7	Analog Devices Inc.	RS232	2/2	200 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
LT1381CS#PBF	Analog Devices Inc.	RS232	2/2	250 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LT1381CS#TRPBF	Analog Devices Inc.	RS232	2/2	250 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LT1381IS#PBF	Analog Devices Inc.	RS232	2/2	250 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
LT1381IS#TRPBF	Analog Devices Inc.	RS232	2/2	250 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
MAX202CSE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant

Engineering Selection Recommendations

First Choice - Parametric Equivalents:

HIN202ECBNZ and HIN232ACBNZ are direct parametric equivalents from Renesas Electronics Corporation. Both maintain identical electrical specifications to the HIN232ECBN while offering active product status and ROHS3 compliance. These parts are recommended for applications requiring minimal design validation and maximum compatibility assurance.

Alternative Selections - Similar Substitutes:

LT1381 series (LT1381CS#PBF, LT1381CS#TRPBF, LT1381IS#PBF, LT1381IS#TRPBF) from Analog Devices Inc. provide superior data rate performance at 250 kbps, exceeding the HIN232ECBN specification. The industrial temperature variants (LT1381IS) extend operating range to -40°C ~ 85°C. These parts are suitable for applications with higher performance requirements or extended environmental conditions.

ADM232AARNZ and ADM232AARNZ-REEL variants from Analog Devices Inc. offer extended operating temperature range (-40°C ~ 85°C) with ROHS3 compliance. The REEL variant achieves 200 kbps data rate, approaching the original specification. These options are appropriate for industrial or automotive applications requiring wider temperature operation.

MAX202CSE+ from Analog Devices Inc./Maxim Integrated provides ROHS3 compliance and active status with identical package and supply voltage specifications. The 120 kbps data rate is lower than the original part; this option is suitable only for applications with reduced bandwidth requirements.

All substitute parts maintain 16-SOIC surface mount packaging, 4.5V to 5.5V supply voltage compatibility, and 2/2 full-duplex RS232 protocol operation, ensuring direct functional replacement in existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can HIN202ECBNZ directly replace HIN232ECBN without PCB modifications?

A: Yes. HIN202ECBNZ maintains identical electrical specifications, package type (16-SOIC), pin configuration, and operating parameters. No PCB layout changes are required.

Q: What is the difference between HIN202ECBNZ and HIN232ACBNZ?

A: Both are parametric equivalents with identical electrical performance. The primary difference is moisture sensitivity level: HIN202ECBNZ has MSL 2 (1 Year), while HIN232ACBNZ has MSL 3 (168 Hours). Selection depends on storage and handling requirements.

Q: Why do some substitute parts have lower data rates (120 kbps vs. 230 kbps)?

A: ADM232AARNZ and MAX202CSE+ have lower specifie

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