HIN238CPZ RS232 4/4 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN238CPZ is a full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation, featuring 4 drivers and 4 receivers in a 24-DIP package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance, redesigns, and new production runs. The part operates within the 4.5V to 5.5V supply range with a 120 Kbps data rate and is suitable for through-hole mounting applications requiring RS232 serial communication interfaces.

Key Parameters

Parameter	Value
Manufacturer Part Number	HIN238CPZ
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/4
Duplex	Full
Data Rate	120 Kbps
Voltage Supply Range	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package / Case	24-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Receiver Hysteresis	500 mV
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the HIN238CPZ are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Identical Electrical Configuration) Parts with 4/4 driver/receiver configuration, 500 mV receiver hysteresis, 4.5V ~ 5.5V supply voltage, and 24-DIP package. These parts maintain full functional equivalence with the original HIN238CPZ and require no circuit modifications.

Parametric Equivalents (Compatible with Design Considerations) Parts with 4/3 driver/receiver configuration or alternative operating temperature ranges. These parts are functionally compatible for applications where the reduced receiver count or temperature specifications do not conflict with system requirements.

The critical parameters determining substitution eligibility are:

RS232 protocol compliance
Full-duplex operation
24-DIP package format
Through-hole mounting capability
120 Kbps data rate support
ROHS3 compliance

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Receiver Hysteresis	Supply Voltage	Operating Temperature	Product Status	Inventory
HIN238CPZ	Renesas Electronics	4/4	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Obsolete	1408 Pcs
ADM238LANZ	Analog Devices Inc.	4/4	650 mV	4.75V ~ 5.25V	-40°C ~ 85°C	Active	2200 Pcs
ADM238LJNZ	Analog Devices Inc.	4/4	650 mV	4.75V ~ 5.25V	0°C ~ 70°C	Active	1128 Pcs
MAX238ENG+	Analog Devices Inc./Maxim Integrated	4/4	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	2400 Pcs
MAX206CNG+	Analog Devices Inc./Maxim Integrated	4/3	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Obsolete	2980 Pcs
MAX208CNG+	Analog Devices Inc./Maxim Integrated	4/4	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	2400 Pcs
MAX208ECNG+	Analog Devices Inc./Maxim Integrated	4/4	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	2100 Pcs
MAX236CNG+	Analog Devices Inc./Maxim Integrated	4/3	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	2275 Pcs
MAX238CNG+	Analog Devices Inc./Maxim Integrated	4/4	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	30400 Pcs

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (No Circuit Modification Required)

MAX238CNG+ is the primary recommended substitute. It maintains identical electrical specifications to the HIN238CPZ (4/4 configuration, 500 mV hysteresis, 4.5V ~ 5.5V supply), operates within the same temperature range, and is actively manufactured with the highest inventory availability (30,400 units). ROHS3 compliance is maintained.

MAX208CNG+ and MAX208ECNG+ are functionally equivalent alternatives with identical electrical parameters and active product status. Both support the same operating temperature range and supply voltage specifications.

For Extended Temperature Range Applications

MAX238ENG+ extends the operating temperature range to -40°C ~ 85°C while maintaining all other electrical specifications identical to the HIN238CPZ. This part is suitable for applications requiring enhanced thermal performance and is actively manufactured.

For Reduced Receiver Count Applications

MAX236CNG+ and MAX206CNG+ feature 4/3 driver/receiver configuration. These parts are suitable only for applications where the circuit design requires fewer receiver channels. Both maintain 500 mV receiver hysteresis and 4.5V ~ 5.5V supply voltage specifications.

For Alternative Hysteresis Specifications

ADM238LANZ and ADM238LJNZ feature 650 mV receiver hysteresis with narrower supply voltage tolerance (4.75V ~ 5.25V). ADM238LANZ supports extended temperature range (-40°C ~ 85°C), while ADM238LJNZ maintains the standard 0°C ~ 70°C range. These parts are suitable for applications where increased hysteresis improves noise immunity within the specified voltage window.

Frequently Asked Questions (FAQ)

Q: Can MAX238CNG+ directly replace HIN238CPZ without circuit modifications?

A: Yes. MAX238CNG+ maintains identical electrical specifications including 4/4 driver/receiver configuration, 500 mV receiver hysteresis, 4.5V ~ 5.5V supply voltage, and 24-DIP package format. No circuit modifications are required for direct substitution.

Q: What is the difference between MAX238CNG+ and MAX238ENG+?

A: Both parts share identical electrical specifications (4/4 configuration, 500 mV hysteresis, 4.5V ~ 5.5V supply). The primary difference is operating temperature range: MAX238CNG+ operates 0°C ~ 70°C, while MAX238ENG+ extends to -40°C ~ 85°C. Select MAX238ENG+ for applications requiring enhanced thermal performance.

Q: Why do ADM238LANZ and ADM238LJNZ have different receiver hysteresis (650 mV vs. 500 mV)?

A: The 650 mV hysteresis specification in Analog Devices ADM238 series provides increased noise immunity compared to the 500 mV specification in the HIN238CPZ. This is a design characteristic of the ADM238 family and may be beneficial in electrically noisy environments. Supply voltage tolerance is also narrower (4.75V ~ 5.25V vs. 4.5V ~ 5.5V).

Q: Can MAX206CNG+ or MAX236CNG+ be used as substitutes?

A: These parts feature 4/3 driver/receiver configuration instead of 4/4. They are suitable only for applications where the circuit design accommodates fewer receiver channels. Verify that your application does not require all four receiver channels before selecting these parts.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the environmental certification of the original HIN238CPZ.

Q: What is the difference between ADM238LANZ and ADM238LJNZ?

A: Both parts are manufactured by Analog Devices Inc. with identical electrical specifications (4/4 configuration, 650 mV hysteresis, 4.75V ~ 5.25V supply). The primary difference is operating temperature range: ADM238LJNZ operates 0°C ~ 70°C (matching HIN238CPZ), while ADM238LANZ extends to -40°C ~ 85°C for enhanced thermal performance.

Q: Which substitute offers the best inventory availability?

A: MAX238CNG+ offers the highest inventory availability with 30,400 units in stock, followed by MAX206CNG+ (2,980 units) and ADM238LANZ (2,200 units).

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