HIN241CB RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN241CB is a 4/5 transceiver full-duplex RS232 interface IC manufactured by Renesas Electronics Corporation in 28-SOIC surface mount packaging. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The HIN241CB operates within a 4.5V to 5.5V supply range with a 120Kbps data rate and 500mV receiver hysteresis, suitable for legacy RS232 communication applications requiring full-duplex transceiver functionality.

Key Parameters

Parameter	Value
Part Number	HIN241CB
Manufacturer	Renesas Electronics Corporation
Category	Interface
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/5
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120Kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	28-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the HIN241CB is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Protocol: RS232
Number of Drivers/Receivers: 4/5
Duplex: Full
Package / Case: 28-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Data Rate: 120Kbps
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Secondary Compatibility Parameters:

Voltage - Supply: 4.5V ~ 5.5V (primary specification) or 4.75V ~ 5.25V (acceptable subset)
Operating Temperature: 0°C ~ 70°C (primary specification) or -40°C ~ 85°C (extended range)
Receiver Hysteresis: 500 mV (primary specification) or 650 mV (acceptable variation)

Substitute parts are grouped into two categories: direct equivalents matching all primary parameters, and similar parts with acceptable variations in voltage supply range, operating temperature, or receiver hysteresis that remain functionally compatible within the HIN241CB's operational envelope.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Supply	Operating Temperature	Receiver Hysteresis	Packaging	RoHS Status
HIN241CB	Renesas Electronics Corporation	Obsolete	4.5V ~ 5.5V	0°C ~ 70°C	500 mV	Tube	RoHS non-compliant
MAX241CWI+T	Analog Devices Inc./Maxim Integrated	Active	4.5V ~ 5.5V	0°C ~ 70°C	500 mV	Tape & Reel (TR)	ROHS3 Compliant
ADM241LARZ	Analog Devices Inc.	Active	4.75V ~ 5.25V	-40°C ~ 85°C	650 mV	Tube	ROHS3 Compliant
ADM241LARZ-REEL	Analog Devices Inc.	Active	4.75V ~ 5.25V	-40°C ~ 85°C	650 mV	Tape & Reel (TR)	ROHS3 Compliant
ADM241LJRZ	Analog Devices Inc.	Active	4.75V ~ 5.25V	0°C ~ 70°C	650 mV	Tube	ROHS3 Compliant
ADM241LJRZ-REEL	Analog Devices Inc.	Active	4.75V ~ 5.25V	0°C ~ 70°C	650 mV	Tape & Reel (TR)	ROHS3 Compliant
MAX211CDWR	Texas Instruments	Active	4.5V ~ 5.5V	0°C ~ 70°C	500 mV	Tape & Reel (TR)	ROHS3 Compliant
MAX211CWI+T	Analog Devices Inc./Maxim Integrated	Active	4.5V ~ 5.5V	0°C ~ 70°C	500 mV	Tape & Reel (TR)	ROHS3 Compliant
MAX211ECWI+T	Analog Devices Inc./Maxim Integrated	Active	4.5V ~ 5.5V	0°C ~ 70°C	500 mV	Tape & Reel (TR)	ROHS3 Compliant
MAX211EEWI+	Analog Devices Inc./Maxim Integrated	Active	4.5V ~ 5.5V	-40°C ~ 85°C	500 mV	Tube	ROHS3 Compliant
MAX211EEWI+T	Analog Devices Inc./Maxim Integrated	Active	4.5V ~ 5.5V	-40°C ~ 85°C	500 mV	Tape & Reel (TR)	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection: MAX241CWI+T is the primary direct equivalent to HIN241CB. This part matches all critical parameters including voltage supply range (4.5V ~ 5.5V), operating temperature (0°C ~ 70°C), and receiver hysteresis (500 mV). The part is manufactured by Analog Devices Inc./Maxim Integrated with active product status and ROHS3 compliance, providing superior long-term availability and regulatory alignment compared to the obsolete HIN241CB.

Alternative Equivalents with Identical Electrical Specifications: MAX211CDWR, MAX211CWI+T, and MAX211ECWI+T provide identical electrical performance to HIN241CB with active product status and ROHS3 compliance. These parts are sourced from Texas Instruments and Analog Devices Inc./Maxim Integrated respectively, ensuring supply chain diversity.

Extended Temperature Range Alternatives: MAX211EEWI+ and MAX211EEWI+T extend the operating temperature range to -40°C ~ 85°C while maintaining identical voltage supply and receiver hysteresis specifications. These parts are suitable for applications requiring enhanced thermal performance beyond the standard 0°C ~ 70°C range.

Compatible Substitutes with Parameter Variations: ADM241LARZ, ADM241LARZ-REEL, ADM241LJRZ, and ADM241LJRZ-REEL are functionally compatible alternatives with acceptable variations. These parts feature a narrower voltage supply range (4.75V ~ 5.25V, a subset of the HIN241CB specification) and increased receiver hysteresis (650 mV). ADM241LJRZ and ADM241LJRZ-REEL maintain the 0°C ~ 70°C operating temperature range, while ADM241LARZ and ADM241LARZ-REEL extend to -40°C ~ 85°C. All ADM241 variants are ROHS3 compliant with active product status.

Packaging Considerations: Tape & Reel (TR) packaging is recommended for high-volume production and automated assembly. Tube packaging is suitable for lower-volume applications and manual assembly processes. All substitute parts maintain the 28-SOIC form factor, ensuring direct PCB compatibility with HIN241CB designs.

Frequently Asked Questions (FAQ)

Q: Can MAX241CWI+T directly replace HIN241CB without circuit modifications? A: Yes. MAX241CWI+T matches all critical electrical and mechanical parameters of HIN241CB, including RS232 protocol, 4/5 transceiver configuration, full-duplex operation, 120Kbps data rate, 4.5V ~ 5.5V supply voltage, 0°C ~ 70°C operating temperature, 500mV receiver hysteresis, and 28-SOIC packaging. No circuit modifications are required.

Q: What is the difference between ADM241LJRZ and ADM241LARZ? A: Both parts are functionally equivalent RS232 transceivers with identical electrical specifications. The primary difference is operating temperature range: ADM241LJRZ operates 0°C ~ 70°C (matching HIN241CB), while ADM241LARZ extends to -40°C ~ 85°C. Both feature 4.75V ~ 5.25V supply voltage and 650mV receiver hysteresis. Selection depends on thermal requirements of the target application.

Q: Are all substitute parts ROHS3 compliant? A: All listed substitute parts are ROHS3 compliant. The original HIN241CB is RoHS non-compliant. If regulatory compliance is required, any substitute part listed in this document satisfies ROHS3 requirements.

Q: What is the significance of receiver hysteresis variation between 500mV and 650mV? A: Receiver hysteresis determines the voltage differential required for input signal transitions. The HIN241CB specifies 500mV hysteresis. ADM241 variants specify 650mV hysteresis, which provides increased noise immunity at the cost of slightly slower response to marginal input signals. Both values are acceptable for standard RS232 applications operating within specified voltage ranges.

Q: Can I use MAX211EEWI+T in place of HIN241CB if my application requires extended temperature operation? A: Yes. MAX211EEWI+T is electrically and mechanically compatible with HIN241CB and extends the operating temperature range to -40°C ~ 85°C. If your application operates only within 0°C ~ 70°C, this extended capability is not necessary. For applications requiring thermal performance beyond standard range, MAX211EEWI+T is suitable.

Q: What packaging format should I specify for production? A: For automated assembly and high-volume production, specify Tape & Reel (TR) packaging. For manual assembly or lower volumes, Tube packaging is appropriate. All substitute parts are available in both formats. Verify packaging availability with your component supplier before design finalization.

Q: Are there supply voltage compatibility concerns when substituting HIN241CB with ADM241 variants? A: ADM241 variants specify 4.75V ~ 5.25V supply voltage, which is a subset of HIN241CB's 4.5V ~ 5.5V specification. If your circuit supplies voltage below 4.75V or above 5.25V, ADM241 parts are not suitable. In such cases, use MAX241CWI+T, MAX211CDWR, MAX211CWI+T, or MAX211ECWI+T, which maintain the full 4.5V ~ 5.5V range.

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