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SP3232EBCY-L Equivalent & Substitute Parts
Part Overview
The SP3232EBCY-L is a 2/2 transceiver full RS232 interface IC manufactured by MaxLinear, Inc., housed in a 16-TSSOP surface mount package. This component operates across a 3V to 5.5V supply voltage range with a 250kbps data rate and 300mV receiver hysteresis. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SP3232EBCY-L |
| Manufacturer | MaxLinear, Inc. |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Data Rate | 250kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Receiver Hysteresis | 300mV |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SP3232EBCY-L is determined by the following critical parameters:
Primary Substitution Criteria:
- RS232 protocol compliance
- 2/2 driver/receiver configuration (full duplex)
- 16-TSSOP package compatibility
- 3V to 5.5V supply voltage range
- Surface mount mounting type
- Moisture Sensitivity Level 1
Secondary Compatibility Factors:
- Data rate (minimum 250kbps required)
- Receiver hysteresis (300mV or higher acceptable)
- Operating temperature range (0°C to 70°C minimum)
- RoHS3 compliance and REACH status
Parts are grouped into three categories: direct equivalents (identical packaging and specifications), parametric equivalents (reduced driver/receiver count), and upgrades (extended temperature range or enhanced performance).
Parameter Comparison
| Part Number | Manufacturer | Drivers/Receivers | Data Rate | Receiver Hysteresis | Operating Temperature | Product Status | Packaging |
|---|---|---|---|---|---|---|---|
| SP3232EBCY-L | MaxLinear, Inc. | 2/2 | 250kbps | 300mV | 0°C ~ 70°C | Obsolete | Tube |
| SP3232EBCY-L/TR | MaxLinear, Inc. | 2/2 | 250kbps | 300mV | 0°C ~ 70°C | Active | Cut Tape (CT) & Digi-Reel® |
| SP3220EBCY-L | MaxLinear, Inc. | 1/1 | 250kbps | 300mV | 0°C ~ 70°C | Active | Tube |
| MAX3232ECUE+ | Analog Devices Inc./Maxim Integrated | 2/2 | 1Mbps | 500mV | 0°C ~ 70°C | Active | Tube |
| MAX3232ECUE+T | Analog Devices Inc./Maxim Integrated | 2/2 | 1Mbps | 500mV | 0°C ~ 70°C | Active | Cut Tape (CT) & Digi-Reel® |
| ST3232ECTR | STMicroelectronics | 2/2 | 250kbps | 500mV | 0°C ~ 70°C | Active | Cut Tape (CT) & Digi-Reel® |
| MAX3232EEUE+ | Analog Devices Inc./Maxim Integrated | 2/2 | 250kbps | 500mV | -40°C ~ 85°C | Active | Tube |
| MAX3232EEUE+T | Analog Devices Inc./Maxim Integrated | 2/2 | 250kbps | 500mV | -40°C ~ 85°C | Active | Cut Tape (CT) & Digi-Reel® |
| MAX3232EIPWG4 | Texas Instruments | 2/2 | 250kbps | 300mV | -40°C ~ 85°C | Obsolete | Tube |
| MAX3232EIPWR | Texas Instruments | 2/2 | 250kbps | 300mV | -40°C ~ 85°C | Active | Cut Tape (CT) & Digi-Reel® |
| ST3232EBTR | STMicroelectronics | 2/2 | 250kbps | 500mV | -40°C ~ 85°C | Active | Cut Tape (CT) & Digi-Reel® |
Engineering Selection Recommendations
Direct Equivalent (Recommended Primary Choice): SP3232EBCY-L/TR is the direct equivalent with identical electrical specifications and active product status. This part maintains the same 2/2 driver/receiver configuration, 250kbps data rate, and 300mV receiver hysteresis. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tube), which does not affect electrical performance. This part is ROHS3 compliant and REACH unaffected.
Active Substitutes with Identical Specifications: MAX3232EIPWR and ST3232EBTR both provide 2/2 transceiver functionality with 250kbps data rate and extended operating temperature range (-40°C to 85°C). Both are active products with ROHS3 compliance. MAX3232EIPWR is manufactured by Texas Instruments with 300mV receiver hysteresis. ST3232EBTR is manufactured by STMicroelectronics with 500mV receiver hysteresis. Both are available in Cut Tape & Digi-Reel® packaging.
Extended Temperature Range Upgrades: MAX3232EEUE+ and MAX3232EEUE+T offer identical electrical specifications to the main part but with extended operating temperature range (-40°C to 85°C). These are suitable for applications requiring wider temperature operation. Both are active products with ROHS3 compliance.
Higher Data Rate Alternative: MAX3232ECUE+ and MAX3232ECUE+T support 1Mbps data rate with 500mV receiver hysteresis, providing enhanced performance for applications requiring higher communication speeds while maintaining full 2/2 transceiver functionality and 3V to 5.5V supply compatibility.
Reduced Channel Configuration: SP3220EBCY-L provides a 1/1 driver/receiver configuration in the same 16-TSSOP package. This part is suitable only for applications requiring single-channel RS232 communication.
Frequently Asked Questions (FAQ)
Q: Can SP3232EBCY-L/TR be used as a direct replacement for SP3232EBCY-L? A: Yes. SP3232EBCY-L/TR is electrically and functionally identical to SP3232EBCY-L. The only difference is the packaging format (Cut Tape & Digi-Reel® versus Tube). Both maintain the same 2/2 transceiver configuration, 250kbps data rate, and 300mV receiver hysteresis. SP3232EBCY-L/TR has active product status.
Q: What is the difference between MAX3232ECUE+ and MAX3232EEUE+? A: Both are 2/2 RS232 transceivers in 16-TSSOP packages from Analog Devices Inc./Maxim Integrated. MAX3232ECUE+ operates at 0°C to 70°C with 1Mbps data rate and 500mV receiver hysteresis. MAX3232EEUE+ operates at -40°C to 85°C with 250kbps data rate and 500mV receiver hysteresis. Selection depends on required operating temperature range and data rate.
Q: Is SP3220EBCY-L a suitable substitute for SP3232EBCY-L? A: SP3220EBCY-L is not a direct substitute. It provides only 1/1 driver/receiver configuration compared to the 2/2 configuration of SP3232EBCY-L. Use SP3220EBCY-L only if your application requires single-channel RS232 communication.
Q: Can I use MAX3232EIPWR in place of SP3232EBCY-L? A: Yes. MAX3232EIPWR is a suitable substitute with identical 2/2 transceiver configuration, 250kbps data rate, and 300mV receiver hysteresis. It offers extended operating temperature range (-40°C to 85°C) and is available in Cut Tape & Digi-Reel® packaging. It is an active product with ROHS3 compliance.
Q: What are the packaging options available for RS232 2/2 transceiver substitutes? A: Available packaging formats include Tube and Cut Tape (CT) & Digi-Reel®. Both formats maintain identical electrical specifications and 16-TSSOP package dimensions (0.173", 4.40mm Width). Selection depends on procurement and assembly requirements.
Q: Are all substitute parts ROHS3 compliant? A: All active substitute parts listed are ROHS3 compliant and REACH unaffected. Obsolete parts (SP3232EBCY-L, MAX3232EIPWG4) also carry ROHS3 compliance certification.
Q: What is the significance of receiver hysteresis in RS232 transceiver selection? A: Receiver hysteresis affects noise immunity and signal integrity. The SP3232EBCY-L has 300mV hysteresis. Substitutes with 500mV hysteresis (MAX3232ECUE+, MAX3232EEUE+, ST3232ECTR, ST3232EBTR) provide enhanced noise immunity. Both values are compatible with standard RS232 applications.
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