HIN232ACP RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN232ACP is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation, housed in a 16-DIP package. This interface IC operates at 4.5V to 5.5V supply voltage with a maximum data rate of 230 kbps and receiver hysteresis of 500 mV. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. Parametric equivalents and similar alternatives from active product lines provide direct functional replacement options.

Key Parameters

Parameter	Value
Manufacturer Part Number	HIN232ACP
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Data Rate	230 kbps
Receiver Hysteresis	500 mV
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole
Package / Case	16-DIP (0.300", 7.62mm)
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the HIN232ACP is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Package / Case: 16-DIP (0.300", 7.62mm)
Mounting Type: Through Hole
Voltage - Supply: 4.5V ~ 5.5V

Allowable Variation Parameters:

Data Rate: Substitute must meet or exceed 230 kbps
Receiver Hysteresis: Substitute must be within ±150 mV of 500 mV (range: 350 mV to 650 mV)
Operating Temperature: Substitute may have extended range; minimum must not exceed 0°C, maximum may exceed 70°C
Product Status: Active status preferred for long-term availability
RoHS Compliance: ROHS3 compliant substitutes are preferred for regulatory alignment

Substitute Categories:

Parametric Equivalents (Renesas Electronics Corporation): HIN232ACPZ, HIN202ECPZ, HIN232ECPZ. These parts maintain identical electrical specifications and package configuration with active product status and improved RoHS compliance.

Similar Alternatives (Analog Devices Inc. / Maxim Integrated): ADM232 series, LT1081 series, MAX232 series. These parts meet all critical parameters with minor variations in data rate and receiver hysteresis within allowable ranges, offering extended temperature operating ranges and active product status.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Receiver Hysteresis	Supply Voltage	Operating Temp	Package	Product Status	RoHS Status
HIN232ACP	Renesas	RS232	2/2	230 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Obsolete	RoHS non-compliant
HIN232ACPZ	Renesas	RS232	2/2	230 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Active	ROHS3 Compliant
HIN202ECPZ	Renesas	RS232	2/2	230 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Active	ROHS3 Compliant
HIN232ECPZ	Renesas	RS232	2/2	230 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Active	ROHS3 Compliant
ADM232AANZ	Analog Devices	RS232	2/2	200 kbps	400 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-DIP	Active	ROHS3 Compliant
ADM232LANZ	Analog Devices	RS232	2/2	120 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-DIP	Active	ROHS3 Compliant
ADM232LJNZ	Analog Devices	RS232	2/2	120 kbps	650 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Active	ROHS3 Compliant
LT1081CN#PBF	Analog Devices	RS232	2/2	250 kbps	400 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Active	ROHS3 Compliant
LT1081IN#PBF	Analog Devices	RS232	2/2	250 kbps	400 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-DIP	Active	ROHS3 Compliant
MAX232ACPE+	Maxim Integrated	RS232	2/2	200 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	Active	ROHS3 Compliant
MAX232AEPE+	Maxim Integrated	RS232	2/2	200 kbps	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-DIP	Active	ROHS3 Compliant

Engineering Selection Recommendations

First Priority: Renesas Parametric Equivalents

HIN232ACPZ, HIN202ECPZ, and HIN232ECPZ are direct parametric equivalents from Renesas Electronics Corporation. These parts maintain identical electrical specifications to the HIN232ACP while offering active product status and ROHS3 compliance. Selection among these three should be based on current inventory availability and packaging preference (all supplied in Tube packaging).

Second Priority: Analog Devices / Maxim Integrated Alternatives

The MAX232ACPE+ provides the closest match among third-party manufacturers, maintaining identical receiver hysteresis (500 mV) and operating temperature range (0°C ~ 70°C) with ROHS3 compliance and active product status. The LT1081CN#PBF offers superior data rate performance (250 kbps) within the same operating temperature range. Both are suitable for applications where extended supply chain diversity is required.

Extended Temperature Applications

For systems requiring extended operating temperature range (-40°C to 85°C), select MAX232AEPE+ or LT1081IN#PBF. These parts maintain all critical RS232 transceiver parameters while providing enhanced thermal performance.

Lower Data Rate Applications

The ADM232LJNZ operates at 120 kbps with 0°C to 70°C temperature range, matching the original HIN232ACP thermal envelope. This part is suitable for legacy systems with reduced bandwidth requirements.

Frequently Asked Questions (FAQ)

Q: Can I directly replace HIN232ACP with HIN232ACPZ?

A: Yes. HIN232ACPZ is a parametric equivalent with identical electrical specifications (230 kbps data rate, 500 mV receiver hysteresis, 4.5V to 5.5V supply, 0°C to 70°C operating range) and identical 16-DIP package. The primary differences are active product status and ROHS3 compliance.

Q: What is the difference between HIN232ACPZ, HIN202ECPZ, and HIN232ECPZ?

A: All three are parametric equivalents with identical electrical and mechanical specifications. Differences exist only in base product numbering (HIN232 vs. HIN202) and packaging designation (ACPZ vs. ECPZ). Selection should be based on inventory availability and supplier preference.

Q: Can I use MAX232ACPE+ as a substitute?

A: Yes, with the following considerations: MAX232ACPE+ maintains identical receiver hysteresis (500 mV) and operating temperature range (0°C to 70°C), but operates at 200 kbps instead of 230 kbps. This is acceptable for applications where the full 230 kbps bandwidth is not required. All other critical parameters (RS232 protocol, 2/2 drivers/receivers, 16-DIP package, 4.5V to 5.5V supply) are identical.

Q: Why do some substitutes have different data rates?

A: Data rate is a performance specification that can vary among manufacturers while maintaining RS232 protocol compatibility. Substitutes with lower data rates (ADM232LANZ at 120 kbps) are suitable for applications not requiring maximum bandwidth. Substitutes with higher data rates (LT1081 at 250 kbps) provide additional performance margin.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts are ROHS3 compliant. The original HIN232ACP is RoHS non-compliant. If RoHS compliance is a system requirement, any of the listed substitutes will satisfy this requirement.

Q: What is the difference between receiver hysteresis values?

A: Receiver hysteresis affects input threshold switching behavior. The HIN232ACP specifies 500 mV. Substitutes with 400 mV (ADM232AANZ, LT1081 series) provide tighter threshold control. Substitutes with 650 mV (ADM232LANZ, ADM232LJNZ) provide greater noise immunity. All values fall within acceptable RS232 transceiver specifications.

Q: Can I use parts with extended temperature range (-40°C to 85°C) in place of 0°C to 70°C parts?

A: Yes. Extended temperature range parts are backward compatible with narrower temperature specifications. If your application operates within 0°C to 70°C, extended range parts (MAX232AEPE+, LT1081IN#PBF, ADM232AANZ, ADM232LANZ) will function correctly and provide additional thermal margin.

Q: Are all substitutes available in 16-DIP through-hole package?

A: Yes. All listed substitute parts are specified in 16-DIP (0.300", 7.62mm) through-hole package, ensuring direct mechanical compatibility with HIN232ACP PCB layouts.

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