HIN232CPZ Equivalent & Substitute Parts

Part Overview

The HIN232CPZ is a 2/2 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation in a 16-PDIP package. This interface IC is designed for serial communication applications requiring RS232 protocol compliance. The part is currently active in production with 9,431 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional equivalence within the RS232 transceiver category.

Key Parameters

Parameter	HIN232CPZ Specification
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 Kbps
Supply Voltage	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the HIN232CPZ are classified based on strict parameter matching within the RS232 transceiver interface category. The primary substitution criteria are:

Critical Parameters for Substitution:

Protocol: RS232
Configuration: 2/2 Drivers/Receivers, Full Duplex
Package: 16-DIP (0.300", 7.62mm)
Supply Voltage: 4.5V ~ 5.5V
Mounting Type: Through Hole
Compliance: ROHS3 Compliant, MSL 1

Secondary Parameters Affecting Compatibility:

Receiver Hysteresis (500 mV nominal for HIN232CPZ)
Data Rate (120 Kbps nominal for HIN232CPZ)
Operating Temperature Range

Parts are grouped into two categories:

Direct Upgrade: MAX232EPE+ matches all critical parameters with extended operating temperature range (-40°C ~ 85°C).

Functional Equivalents: ADM232 series, LT1081 series, LT1781 series, LTC1383 series, and MAX232 variants provide RS232 2/2 transceiver functionality in identical packaging with minor variations in receiver hysteresis and data rate specifications.

Parameter Comparison

Part Number	Manufacturer	Receiver Hysteresis	Data Rate	Operating Temperature	Supply Voltage	Package	Inventory
HIN232CPZ	Renesas Electronics	500 mV	120 Kbps	0°C ~ 70°C	4.5V ~ 5.5V	16-DIP	9,431 Pcs
MAX232EPE+	Analog Devices Inc./Maxim	500 mV	120 Kbps	-40°C ~ 85°C	4.5V ~ 5.5V	16-DIP	9,463 Pcs
ADM232AANZ	Analog Devices Inc.	400 mV	200 Kbps	-40°C ~ 85°C	4.5V ~ 5.5V	16-DIP	2,432 Pcs
ADM232LANZ	Analog Devices Inc.	650 mV	120 Kbps	-40°C ~ 85°C	4.5V ~ 5.5V	16-DIP	2,200 Pcs
ADM232LJNZ	Analog Devices Inc.	650 mV	120 Kbps	0°C ~ 70°C	4.5V ~ 5.5V	16-DIP	5,140 Pcs
LT1081CN#PBF	Analog Devices Inc.	400 mV	250 KBd	0°C ~ 70°C	4.5V ~ 5.5V	16-DIP	2,148 Pcs
LT1081IN#PBF	Analog Devices Inc.	400 mV	250 KBd	-40°C ~ 85°C	4.5V ~ 5.5V	16-DIP	948 Pcs
LT1781CN#PBF	Analog Devices Inc.	400 mV	250 KBd	0°C ~ 70°C	4.5V ~ 5.5V	16-DIP	2,680 Pcs
LTC1383CN#PBF	Analog Devices Inc.	400 mV	120 KBd	0°C ~ 70°C	4.5V ~ 5V	16-DIP	1,150 Pcs
MAX232ACPE+	Analog Devices Inc./Maxim	500 mV	200 Kbps	0°C ~ 70°C	4.5V ~ 5.5V	16-DIP	39,726 Pcs
MAX232AEPE+	Analog Devices Inc./Maxim	500 mV	200 Kbps	-40°C ~ 85°C	4.5V ~ 5.5V	16-DIP	1,200 Pcs

Engineering Selection Recommendations

Direct Substitution (Highest Compatibility): MAX232EPE+ is the primary substitute for HIN232CPZ. Both parts maintain identical receiver hysteresis (500 mV) and data rate (120 Kbps) specifications. MAX232EPE+ extends the operating temperature range to -40°C ~ 85°C, providing enhanced thermal performance for applications requiring wider temperature operation. Both parts are ROHS3 compliant with MSL 1 rating and identical packaging.

Functional Equivalents (Same Temperature Range): ADM232LJNZ and LT1081CN#PBF are functionally equivalent alternatives matching the 0°C ~ 70°C operating temperature range of HIN232CPZ. ADM232LJNZ maintains 120 Kbps data rate with 650 mV receiver hysteresis. LT1081CN#PBF offers higher data rate capability (250 KBd) with 400 mV receiver hysteresis. Both are ROHS3 compliant with MSL 1 rating in 16-DIP packaging.

Extended Temperature Alternatives: ADM232AANZ, ADM232LANZ, LT1081IN#PBF, and MAX232AEPE+ provide -40°C ~ 85°C operating range for applications requiring enhanced thermal performance. These parts maintain RS232 2/2 transceiver functionality with variations in hysteresis and data rate specifications.

High-Volume Availability: MAX232ACPE+ offers the highest inventory (39,726 units) with 200 Kbps data rate capability and 0°C ~ 70°C operating range, suitable for high-volume production requirements.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and 16-DIP through-hole packaging consistent with HIN232CPZ specifications.

Frequently Asked Questions (FAQ)

Q: Can MAX232EPE+ directly replace HIN232CPZ without circuit modification? A: Yes. MAX232EPE+ is a direct substitute with identical receiver hysteresis (500 mV), data rate (120 Kbps), supply voltage (4.5V ~ 5.5V), and 16-DIP package. The extended operating temperature range (-40°C ~ 85°C) provides additional thermal margin without requiring design changes.

Q: What is the difference between receiver hysteresis values in substitute parts? A: Receiver hysteresis determines the voltage differential required for input signal transitions. HIN232CPZ specifies 500 mV hysteresis. Substitutes with 400 mV hysteresis (ADM232AANZ, LT1081 series, LTC1383) provide tighter input thresholds. Substitutes with 650 mV hysteresis (ADM232LANZ, ADM232LJNZ) provide wider input thresholds. Selection depends on signal integrity requirements in the application circuit.

Q: Are all substitute parts pin-compatible with HIN232CPZ? A: All listed substitutes use identical 16-DIP (0.300", 7.62mm) through-hole packaging. Pin compatibility is confirmed for RS232 2/2 transceiver configuration. Verify pinout documentation for specific application requirements.

Q: Which substitute offers the highest data rate capability? A: LT1081 series (LT1081CN#PBF and LT1081IN#PBF) and LT1781CN#PBF support 250 KBd data rate, exceeding HIN232CPZ specification of 120 Kbps. These parts are suitable for applications requiring higher serial communication speeds.

Q: What is the significance of MSL 1 rating on all parts? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake requirements. All listed parts maintain MSL 1 rating, ensuring consistent handling and storage procedures.

Q: Can I use ADM232AANZ in place of HIN232CPZ for extended temperature applications? A: ADM232AANZ provides -40°C ~ 85°C operating range with 200 Kbps data rate and 400 mV receiver hysteresis. It is functionally equivalent for RS232 2/2 transceiver applications but operates at higher data rates and lower hysteresis than HIN232CPZ. Verify application requirements before substitution.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 rating, consistent with HIN232CPZ environmental and regulatory specifications.

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