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SP3227EEA-L RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The SP3227EEA-L is a 1/1 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 16-SSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support, redesigns, and new production runs. The part operates across a 3V to 5.5V supply range with a 250 kbps data rate and 500 mV receiver hysteresis, designed for industrial and commercial serial communication applications.
Substiute Parts
Key Parameters
| Parameter | SP3227EEA-L Value |
|---|---|
| Manufacturer | MaxLinear, Inc. |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Data Rate | 250 kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Receiver Hysteresis | 500 mV |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SSOP (0.209", 5.30mm Width) |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the SP3227EEA-L is determined by strict equivalence across the following critical parameters:
- Protocol & Functionality: RS232 full-duplex transceiver with 1/1 driver/receiver configuration
- Electrical Specifications: 3V to 5.5V supply voltage, 250 kbps data rate, 500 mV receiver hysteresis
- Physical Package: 16-SSOP surface mount package with identical 5.30mm width
- Operating Temperature Range: Minimum -40°C to 85°C coverage required
- Compliance: ROHS3 compliance and REACH unaffected status
Substitute parts are grouped into two categories based on product status and availability:
Category 1 - Active Production Parts (Recommended for New Designs)
- ICL3226EIAZ-T and ICL3226IAZ-T (Renesas Electronics)
- MAX3226EAAE+, MAX3226EAAE+T, MAX3226ECAE+, MAX3226ECAE+T, MAX3226EEAE+T (Analog Devices Inc./Maxim Integrated)
Category 2 - Obsolete/Last Time Buy Parts (Legacy Support Only)
- MAX3227CDB, MAX3227CDBG4, MAX3227CDBR (Texas Instruments)
Parameter Comparison
| Part Number | Manufacturer | Product Status | Protocol | Drivers/Receivers | Data Rate | Supply Voltage | Operating Temp | Package | MSL | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| SP3227EEA-L | MaxLinear, Inc. | Obsolete | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-SSOP | 2 (1Y) | N/A |
| ICL3226EIAZ-T | Renesas Electronics | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-SSOP | 2 (1Y) | ROHS3 |
| ICL3226IAZ-T | Renesas Electronics | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-SSOP | 2 (1Y) | ROHS3 |
| MAX3226EAAE+ | Analog Devices Inc./Maxim Integrated | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | -40°C ~ 125°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3226EAAE+T | Analog Devices Inc./Maxim Integrated | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | -40°C ~ 125°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3226ECAE+ | Analog Devices Inc./Maxim Integrated | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3226ECAE+T | Analog Devices Inc./Maxim Integrated | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3226EEAE+T | Analog Devices Inc./Maxim Integrated | Active | RS232 | 1/1 | 250 kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3227CDB | Texas Instruments | Obsolete | RS232 | 1/1 | 1 Mbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3227CDBG4 | Texas Instruments | Obsolete | RS232 | 1/1 | 1 Mbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
| MAX3227CDBR | Texas Instruments | Last Time Buy | RS232 | 1/1 | 1 Mbps | 3V ~ 5.5V | 0°C ~ 70°C | 16-SSOP | 1 (Unlimited) | ROHS3 |
Engineering Selection Recommendations
For New Designs and Production:
Select from the Analog Devices Inc./Maxim Integrated MAX3226 series (EAAE+, EAAE+T, ECAE+, ECAE+T, or EEAE+T variants). These parts are in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. The MAX3226EAAE+T and MAX3226EEAE+T variants provide the widest operating temperature range (-40°C to 125°C and -40°C to 85°C respectively), matching or exceeding the original SP3227EEA-L specification. Tape & Reel packaging (TR) variants are preferred for high-volume manufacturing.
For Industrial Temperature Range Requirements:
If the application requires the full -40°C to 85°C operating range, select MAX3226EEAE+T or MAX3226EAAE+T. The MAX3226EAAE+ and MAX3226EAAE+T extend to -40°C to 125°C, providing additional thermal margin for demanding environments.
For Commercial Temperature Range Applications:
MAX3226ECAE+ and MAX3226ECAE+T are suitable for 0°C to 70°C operating conditions with active production status and full compliance certifications.
For Legacy System Support:
Renesas Electronics ICL3226EIAZ-T and ICL3226IAZ-T provide direct functional equivalence with active production status, identical electrical specifications, and ROHS3 compliance. These are suitable alternatives when Maxim Integrated parts are unavailable.
Avoid for New Designs:
MAX3227CDB, MAX3227CDBG4, and MAX3227CDBR are obsolete or last-time-buy parts with higher data rates (1 Mbps) and narrower operating temperature ranges (0°C to 70°C). These are not recommended for new production unless legacy compatibility is mandatory.
Frequently Asked Questions (FAQ)
Q: Can MAX3227 series parts substitute for SP3227EEA-L?
A: MAX3227 parts operate at 1 Mbps data rate versus the 250 kbps specification of SP3227EEA-L. While functionally compatible at the protocol level, MAX3227 variants are obsolete or last-time-buy status. Active production MAX3226 series parts are the preferred substitutes.
Q: What is the difference between MAX3226EAAE+ and MAX3226ECAE+?
A: Both are MAX3226 base parts with identical electrical specifications. The primary difference is operating temperature range: EAAE+ operates -40°C to 125°C, while ECAE+ operates 0°C to 70°C. Select based on application temperature requirements. Both have unlimited moisture sensitivity rating.
Q: Are Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging interchangeable?
A: Both packaging formats contain identical die and electrical performance. The difference is in delivery format and handling. Tape & Reel is standard for automated assembly lines, while Cut Tape & Digi-Reel® offers flexibility for lower-volume or mixed-component orders. Select based on manufacturing process requirements.
Q: Why is MSL (Moisture Sensitivity Level) different between SP3227EEA-L and substitute parts?
A: SP3227EEA-L has MSL 2 (1 Year), while most active substitutes have MSL 1 (Unlimited). MSL 1 is superior, indicating the part can be stored indefinitely without baking. This is an improvement over the original part specification.
Q: Can I use ICL3226 parts as direct replacements?
A: Yes. ICL3226EIAZ-T and ICL3226IAZ-T are functionally equivalent with identical electrical specifications, package, and operating temperature range. Both are in active production with ROHS3 compliance. These are suitable alternatives when Maxim Integrated parts are unavailable.
Q: What is the significance of the "+T" suffix in part numbers?
A: The "+T" suffix indicates Tape & Reel packaging format, standard for high-volume automated assembly. Parts without this suffix (such as MAX3226EAAE+) are supplied in Tube packaging. Both formats contain identical components; packaging format is the only difference.
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