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MAX202CSE RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The MAX202CSE is a 2/2 full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-SOIC surface mount package. This interface IC operates at 4.5V to 5.5V supply voltage with a maximum data rate of 120 Kbps and supports operating temperatures from 0°C to 70°C. The MAX202CSE is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and system maintenance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MAX202CSE |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120 Kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MAX202CSE is determined by strict equivalence across the following critical parameters:
- Protocol: RS232
- Number of Drivers/Receivers: 2/2
- Duplex: Full
- Receiver Hysteresis: 500 mV
- Data Rate: 120 Kbps (minimum requirement)
- Voltage - Supply: 4.5V ~ 5.5V
- Mounting Type: Surface Mount
- Package / Case: 16-SOIC (0.154", 3.90mm Width)
Substitute parts are categorized as follows:
Parametric Equivalents (MAX202CSE+, MAX202ECSE+, MAX220CSE+, MAX232CSE+, MAX232ECSE+): These parts maintain identical electrical specifications and package dimensions. They differ in product status (active vs. obsolete) and RoHS compliance. These are direct functional replacements with no design modifications required.
Direct Manufacturer Equivalent (HIN202CBNZ-T): Renesas Electronics Corporation equivalent meeting all core electrical and mechanical parameters. Maintains 500 mV receiver hysteresis and 120 Kbps data rate with identical package footprint.
Upgrade Options (HIN202IBNZ, HIN202IBNZ-T): Extended operating temperature range (-40°C to 85°C) compared to the original 0°C to 70°C specification. These parts provide enhanced thermal performance for demanding applications while maintaining all other electrical parameters.
Manufacturer Recommended Alternatives (ADM1181AARWZ, ADM1181AARWZ-REEL): Enhanced performance variants with 650 mV receiver hysteresis and 230 Kbps data rate. Package width differs (0.295" vs. 0.154"), requiring PCB layout verification before substitution.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Hysteresis (mV) | Data Rate | Supply Voltage | Operating Temp | Package Width | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| MAX202CSE | Analog Devices/Maxim | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Obsolete | Non-compliant |
| MAX202CSE+ | Analog Devices/Maxim | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Active | ROHS3 Compliant |
| MAX202ECSE+ | Analog Devices/Maxim | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Active | ROHS3 Compliant |
| MAX220CSE+ | Analog Devices/Maxim | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Active | ROHS3 Compliant |
| MAX232CSE+ | Analog Devices/Maxim | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Active | ROHS3 Compliant |
| MAX232ECSE+ | Analog Devices/Maxim | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Active | ROHS3 Compliant |
| HIN202CBNZ-T | Renesas Electronics | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 0.154" | Active | ROHS3 Compliant |
| HIN202IBNZ | Renesas Electronics | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 0.154" | Active | ROHS3 Compliant |
| HIN202IBNZ-T | Renesas Electronics | RS232 | 2/2 | 500 | 120 Kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 0.154" | Active | ROHS3 Compliant |
| ADM1181AARWZ | Analog Devices | RS232 | 2/2 | 650 | 230 Kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 0.295" | Active | ROHS3 Compliant |
| ADM1181AARWZ-REEL | Analog Devices | RS232 | 2/2 | 650 | 230 Kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 0.295" | Active | ROHS3 Compliant |
Engineering Selection Recommendations
For Direct Replacement (No Design Changes): Select MAX202CSE+, MAX202ECSE+, MAX220CSE+, MAX232CSE+, or MAX232ECSE+ for pin-for-pin compatibility with identical electrical performance. All are active products with ROHS3 compliance, addressing the obsolescence and regulatory status of the original MAX202CSE. These parts require no PCB modifications and maintain the same 16-SOIC (0.154" width) footprint.
For Equivalent Cross-Manufacturer Solution: HIN202CBNZ-T from Renesas Electronics provides functional equivalence with identical electrical specifications and package dimensions. This option offers supply chain diversification while maintaining full compatibility with existing designs.
For Extended Temperature Range Applications: HIN202IBNZ or HIN202IBNZ-T support operating temperatures from -40°C to 85°C, compared to the original 0°C to 70°C range. These upgrades are suitable for industrial or automotive environments requiring enhanced thermal performance. Electrical specifications and package footprint remain unchanged.
For Enhanced Performance Requirements: ADM1181AARWZ or ADM1181AARWZ-REEL offer increased receiver hysteresis (650 mV vs. 500 mV) and higher data rate capability (230 Kbps vs. 120 Kbps). These parts require PCB layout verification due to different package width (0.295" vs. 0.154") and are suitable for applications demanding improved noise immunity or higher communication speeds.
Frequently Asked Questions (FAQ)
Q: Can MAX202CSE+ be used as a direct replacement for MAX202CSE? A: Yes. MAX202CSE+ is electrically and mechanically identical to MAX202CSE, with the primary differences being active product status and ROHS3 compliance. No design modifications are required.
Q: What is the difference between MAX202CSE+ and MAX232CSE+? A: Both parts are parametric equivalents with identical electrical specifications (2/2 transceiver, 500 mV hysteresis, 120 Kbps data rate, 4.5V-5.5V supply). The difference lies in the base product series designation (MAX202 vs. MAX232). Both are suitable substitutes for the original MAX202CSE.
Q: Can HIN202CBNZ-T replace MAX202CSE without PCB changes? A: Yes. HIN202CBNZ-T maintains identical package dimensions (16-SOIC, 0.154" width) and electrical specifications. It is a direct cross-manufacturer equivalent requiring no design modifications.
Q: What advantage do HIN202IBNZ and HIN202IBNZ-T offer? A: These parts extend the operating temperature range to -40°C to 85°C compared to the original 0°C to 70°C specification. All other electrical parameters and package dimensions remain identical, making them suitable upgrades for temperature-sensitive applications.
Q: Why is the ADM1181AARWZ listed as a manufacturer-recommended alternative rather than a direct substitute? A: The ADM1181AARWZ differs in three key parameters: receiver hysteresis (650 mV vs. 500 mV), data rate (230 Kbps vs. 120 Kbps), and package width (0.295" vs. 0.154"). While electrically superior, the different package width requires PCB layout verification before implementation.
Q: Is the ADM1181AARWZ backward compatible with MAX202CSE designs? A: Electrical compatibility is maintained (RS232 protocol, 2/2 transceiver, full duplex, 4.5V-5.5V supply). However, the wider package (0.295" vs. 0.154") may not fit existing PCB layouts. Pin-to-pin compatibility must be verified against your specific design.
Q: What is the significance of RoHS compliance for substitute selection? A: The original MAX202CSE is RoHS non-compliant. All listed substitutes are ROHS3 compliant, meeting current environmental and regulatory requirements for new designs and production continuity.
Q: Can I mix different substitute parts in the same production run? A: Yes, provided they meet your electrical requirements. For identical performance, use parts from the parametric equivalent group (MAX202CSE+, MAX202ECSE+, MAX220CSE+, MAX232CSE+, MAX232ECSE+, or HIN202CBNZ-T). For extended temperature applications, use HIN202IBNZ or HIN202IBNZ-T. Do not mix standard and enhanced performance variants (ADM1181AARWZ) without design verification.
Q: What packaging options are available for these substitutes? A: Parametric equivalents and direct equivalents are available in Tube and Tape & Reel (TR) packaging. Upgrade options (HIN202IBNZ, HIN202IBNZ-T) are available in Tube and Tape & Reel formats. Manufacturer-recommended alternatives (ADM1181AARWZ, ADM1181AARWZ-REEL) are available in Tube and Tape & Reel configurations.
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