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SP3232EHCY-L Equivalent & Substitute Parts
Part Overview
The SP3232EHCY-L is a 2/2 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 16-TSSOP surface mount package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and component procurement. The SP3232EHCY-L operates across a 3V to 5.5V supply range with a 460 kbps data rate and 300 mV receiver hysteresis, serving as a standard interface solution for RS232 serial communication applications.
Substiute Parts
Key Parameters
| Parameter | SP3232EHCY-L |
|---|---|
| Manufacturer | MaxLinear, Inc. |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 300 mV |
| Data Rate | 460 kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SP3232EHCY-L 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-TSSOP (0.173", 4.40mm Width)
- Mounting Type: Surface Mount
- Voltage - Supply: 3V ~ 5.5V (minimum requirement)
Allowable Variation Parameters:
- Receiver Hysteresis: 300 mV to 650 mV (within functional tolerance)
- Data Rate: 230 kbps to 460 kbps (backward compatible)
- Operating Temperature: Extended ranges acceptable (0°C ~ 70°C minimum)
- Product Status: Active preferred over obsolete
Substitute parts are grouped by manufacturer and base product number. All listed substitutes maintain identical package geometry, pin configuration, and core RS232 transceiver functionality. Variations in receiver hysteresis and data rate do not affect pin-level compatibility or basic circuit operation.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Data Rate | Voltage Supply | Operating Temp | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| SP3232EHCY-L | MaxLinear, Inc. | RS232 | 2/2 | 460 kbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-TSSOP | Obsolete | — |
| ADM202EARUZ | Analog Devices Inc. | RS232 | 2/2 | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM202EARUZ-REEL | Analog Devices Inc. | RS232 | 2/2 | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM202EARUZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM3202ARUZ | Analog Devices Inc. | RS232 | 2/2 | 460 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM3202ARUZ-REEL | Analog Devices Inc. | RS232 | 2/2 | 460 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM3202ARUZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | 460 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM3232EARUZ | Analog Devices Inc. | RS232 | 2/2 | 460 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ADM3232EARUZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | 460 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-TSSOP | Active | ROHS3 Compliant |
| ICL3232CVZ | Renesas Electronics Corporation | RS232 | 2/2 | 250 kbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-TSSOP | Active | ROHS3 Compliant |
| ICL3232CVZ-T | Renesas Electronics Corporation | RS232 | 2/2 | 250 kbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-TSSOP | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
The ADM3202ARUZ, ADM3202ARUZ-REEL, and ADM3202ARUZ-REEL7 from Analog Devices Inc. provide the closest functional match to the SP3232EHCY-L. These parts maintain identical electrical specifications (460 kbps data rate, 3V ~ 5.5V supply range) and package geometry. All three variants are active products with ROHS3 compliance and extended operating temperature ranges (-40°C ~ 85°C), offering superior long-term availability and environmental certification compared to the obsolete SP3232EHCY-L.
Secondary Substitutes (Extended Temperature Range):
The ADM3232EARUZ and ADM3232EARUZ-REEL7 from Analog Devices Inc. also match the SP3232EHCY-L electrical specifications and package requirements. These parts feature identical 460 kbps data rate and 3V ~ 5.5V supply voltage, with the added benefit of extended operating temperature range and active product status.
Alternative Substitutes (Reduced Data Rate):
The ADM202EARUZ, ADM202EARUZ-REEL, and ADM202EARUZ-REEL7 from Analog Devices Inc. are functionally compatible but operate at 230 kbps data rate and require a minimum 4.5V supply voltage. These parts are suitable for applications where the reduced data rate does not impact system performance and where 5V supply operation is standard.
Functional Equivalent (Temperature-Matched):
The ICL3232CVZ and ICL3232CVZ-T from Renesas Electronics Corporation maintain the SP3232EHCY-L operating temperature range (0°C ~ 70°C) and 3V ~ 5.5V supply voltage. Data rate is 250 kbps, positioning this as a mid-range alternative. Both variants are active products with ROHS3 compliance.
All substitute parts are housed in identical 16-TSSOP packages with matching pin configurations, ensuring direct PCB-level compatibility without layout modifications.
Frequently Asked Questions (FAQ)
Q: Can ADM202EARUZ replace SP3232EHCY-L in all applications?
A: ADM202EARUZ is electrically compatible at the RS232 protocol level but operates at 230 kbps versus the SP3232EHCY-L's 460 kbps. Applications requiring maximum data rate performance should use ADM3202ARUZ instead. Additionally, ADM202EARUZ requires a minimum 4.5V supply, whereas SP3232EHCY-L operates from 3V.
Q: What is the difference between ADM3202ARUZ, ADM3202ARUZ-REEL, and ADM3202ARUZ-REEL7?
A: These three part numbers represent the same device in different packaging formats. ADM3202ARUZ is supplied in tube packaging. ADM3202ARUZ-REEL and ADM3202ARUZ-REEL7 are supplied on cut tape and Digi-Reel formats. Electrical specifications and pin configuration are identical across all three variants.
Q: Is the ICL3232CVZ suitable for high-speed serial communication?
A: ICL3232CVZ operates at 250 kbps data rate, which is lower than the SP3232EHCY-L's 460 kbps. It is suitable for standard RS232 applications but not for applications requiring maximum data throughput. For equivalent performance, use ADM3202ARUZ or ADM3232EARUZ.
Q: Are all substitute parts RoHS compliant?
A: All active substitute parts listed (Analog Devices and Renesas variants) are ROHS3 compliant. The original SP3232EHCY-L does not specify RoHS status due to its obsolete classification.
Q: Can I use ICL3232CVZ-T instead of ICL3232CVZ?
A: Yes. Both parts are identical in electrical specifications and pin configuration. ICL3232CVZ-T is supplied on cut tape and Digi-Reel format, while ICL3232CVZ is supplied in tube packaging. Selection depends on procurement and assembly requirements.
Q: What is the impact of different receiver hysteresis values?
A: Receiver hysteresis variations (300 mV to 650 mV) do not affect pin-level compatibility or basic RS232 transceiver operation. Hysteresis determines noise immunity characteristics. Higher hysteresis (ADM202EARUZ at 650 mV) provides greater noise rejection; lower hysteresis (SP3232EHCY-L and ICL3232CVZ at 300 mV) provides faster response to signal transitions. Selection depends on application noise environment.
Q: Are extended operating temperature ranges backward compatible?
A: Yes. Substitute parts with extended operating temperature ranges (-40°C ~ 85°C) are fully backward compatible with applications designed for the SP3232EHCY-L's 0°C ~ 70°C range. Extended temperature capability does not affect performance within the original temperature specification.
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