SP211ECT-L/TR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP211ECT-L/TR is a full-duplex RS232 transceiver manufactured by MaxLinear, Inc., configured with 4 drivers and 5 receivers in a 28-SOIC surface mount package. This interface IC operates across the standard 4.5V to 5.5V supply range with a data rate of 230 kbps and is designed for industrial and commercial serial communication applications. The part is currently in active production status with 1,761 units in stock and carries RoHS compliance certification.

Equivalent and substitute parts are necessary when the original SP211ECT-L/TR becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives with different operating temperature ranges or performance characteristics.

Key Parameters

Parameter	SP211ECT-L/TR
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Drivers/Receivers	4/5
Duplex	Full
Package	28-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Voltage Supply	4.5V ~ 5.5V
Data Rate	230 kbps
Operating Temperature	0°C ~ 70°C
Receiver Hysteresis	500 mV
RoHS Status	RoHS Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the SP211ECT-L/TR is determined by the following critical parameters:

Primary Compatibility Criteria:

Protocol: RS232
Drivers/Receivers Configuration: 4/5
Package Type: 28-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Duplex Mode: Full

Secondary Compatibility Criteria:

Voltage Supply Range: Must encompass or be compatible with 4.5V ~ 5.5V
Operating Temperature Range: May extend beyond 0°C ~ 70°C without restriction
Data Rate: 120 kbps or higher
Receiver Hysteresis: 500 mV or 650 mV acceptable

Substitute parts are grouped into two categories based on electrical performance alignment:

Group 1 - Direct Performance Match (500 mV Hysteresis, 230 kbps): HIN211ECBZ and HIN211EIBZ from Renesas Electronics Corporation maintain identical receiver hysteresis and data rate specifications to the original part.

Group 2 - Compatible Alternative (650 mV Hysteresis, 120 kbps): ADM211ARZ, ADM211EARZ, ADM211EARZ-REEL, ADM241LARZ, ADM241LARZ-REEL, and ADM241LJRZ from Analog Devices Inc., and MAX211CDW and MAX211CDWR from Texas Instruments operate at reduced data rates with higher receiver hysteresis but maintain full functional compatibility within RS232 serial communication applications.

Parameter Comparison

Part Number	Manufacturer	Packaging	Drivers/Receivers	Voltage Supply	Data Rate	Operating Temp	Receiver Hysteresis	RoHS Status	Product Status
SP211ECT-L/TR	MaxLinear, Inc.	Tape & Reel	4/5	4.5V ~ 5.5V	230 kbps	0°C ~ 70°C	500 mV	RoHS Compliant	Active
ADM211ARZ	Analog Devices Inc.	Tube	4/5	4.5V ~ 5.5V	120 kbps	-40°C ~ 85°C	650 mV	ROHS3 Compliant	Active
ADM211EARZ	Analog Devices Inc.	Tube	4/5	4.5V ~ 5.5V	120 kbps	-40°C ~ 85°C	650 mV	ROHS3 Compliant	Active
ADM211EARZ-REEL	Analog Devices Inc.	Tape & Reel	4/5	4.5V ~ 5.5V	120 kbps	-40°C ~ 85°C	650 mV	ROHS3 Compliant	Active
ADM241LARZ	Analog Devices Inc.	Tube	4/5	4.75V ~ 5.25V	120 kbps	-40°C ~ 85°C	650 mV	ROHS3 Compliant	Active
ADM241LARZ-REEL	Analog Devices Inc.	Tape & Reel	4/5	4.75V ~ 5.25V	120 kbps	-40°C ~ 85°C	650 mV	ROHS3 Compliant	Active
ADM241LJRZ	Analog Devices Inc.	Tube	4/5	4.75V ~ 5.25V	120 kbps	0°C ~ 70°C	650 mV	ROHS3 Compliant	Active
HIN211ECBZ	Renesas Electronics Corporation	Tube	4/5	4.5V ~ 5.5V	230 kbps	0°C ~ 70°C	500 mV	ROHS3 Compliant	Active
HIN211EIBZ	Renesas Electronics Corporation	Tube	4/5	4.5V ~ 5.5V	230 kbps	-40°C ~ 85°C	500 mV	ROHS3 Compliant	Active
MAX211CDW	Texas Instruments	Tube	4/5	4.5V ~ 5.5V	120 kbps	0°C ~ 70°C	500 mV	ROHS3 Compliant	Last Time Buy
MAX211CDWR	Texas Instruments	Tape & Reel	4/5	4.5V ~ 5.5V	120 kbps	0°C ~ 70°C	500 mV	ROHS3 Compliant	Active

Engineering Selection Recommendations

For Tape & Reel Packaging Requirement: ADM211EARZ-REEL and MAX211CDWR are direct packaging equivalents to SP211ECT-L/TR. ADM211EARZ-REEL offers extended operating temperature range (-40°C ~ 85°C) with active product status and 4,600 units in stock. MAX211CDWR maintains the original operating temperature range (0°C ~ 70°C) with active status and 4,778 units in stock.

For Extended Temperature Operation (-40°C ~ 85°C): HIN211EIBZ, ADM211EARZ, ADM211EARZ-REEL, ADM241LARZ, and ADM241LARZ-REEL support expanded temperature specifications. HIN211EIBZ maintains 230 kbps data rate performance. Analog Devices parts operate at 120 kbps with higher receiver hysteresis.

For Identical Electrical Performance (230 kbps, 500 mV Hysteresis): HIN211ECBZ and HIN211EIBZ from Renesas Electronics Corporation provide direct electrical equivalence. HIN211ECBZ is limited to 0°C ~ 70°C operation, while HIN211EIBZ extends to -40°C ~ 85°C.

For Standard Temperature Range (0°C ~ 70°C) with Active Status: MAX211CDWR, ADM241LJRZ, and HIN211ECBZ all maintain the original operating temperature specification with confirmed active product status and adequate inventory availability.

Compliance Considerations: All substitute parts carry ROHS3 compliance certification. The original SP211ECT-L/TR is RoHS Compliant. Moisture sensitivity levels vary: SP211ECT-L/TR and HIN211 series are rated MSL 3 (168 Hours), while Analog Devices and Texas Instruments parts are rated MSL 1 (Unlimited), indicating superior moisture resistance for storage and handling.

Frequently Asked Questions (FAQ)

Q: Can ADM211EARZ-REEL directly replace SP211ECT-L/TR in production?

A: Yes. Both parts share identical 28-SOIC package geometry, Tape & Reel packaging format, 4/5 driver/receiver configuration, and RS232 protocol. The ADM211EARZ-REEL operates at 120 kbps versus 230 kbps for the original part, which is acceptable for most RS232 serial communication applications operating below 120 kbps. Supply voltage range (4.5V ~ 5.5V) is identical. Extended operating temperature (-40°C ~ 85°C) provides additional design margin.

Q: What is the difference between HIN211ECBZ and HIN211EIBZ?

A: Both parts are manufactured by Renesas Electronics Corporation with identical electrical performance: 230 kbps data rate, 500 mV receiver hysteresis, and 28-SOIC package. The primary difference is operating temperature range. HIN211ECBZ operates 0°C ~ 70°C (matching the original SP211ECT-L/TR), while HIN211EIBZ extends to -40°C ~ 85°C for applications requiring wider temperature tolerance.

Q: Why do some substitutes operate at 120 kbps instead of 230 kbps?

A: The Analog Devices ADM211 and ADM241 series, along with Texas Instruments MAX211 series, are designed with different internal architecture specifications that result in 120 kbps maximum data rate. This reduced data rate remains fully compatible with RS232 serial communication standards and is suitable for applications not requiring the higher 230 kbps performance of the original part.

Q: Are there packaging format differences between substitutes?

A: Yes. The original SP211ECT-L/TR is supplied in Tape & Reel (TR) format. Substitute parts are available in both Tube and Tape & Reel formats. For automated assembly processes requiring Tape & Reel packaging, select ADM211EARZ-REEL, ADM241LARZ-REEL, or MAX211CDWR. For manual or semi-automated assembly, Tube-packaged alternatives (ADM211ARZ, ADM211EARZ, ADM241LARZ, ADM241LJRZ, HIN211ECBZ, HIN211EIBZ, MAX211CDW) are available.

Q: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: SP211ECT-L/TR and HIN211 series carry MSL 3 (168 Hours), requiring controlled storage conditions and limited exposure time after packaging opening. Analog Devices and Texas Instruments substitutes carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. For applications with extended storage or humid environments, MSL 1 rated parts provide manufacturing flexibility.

Q: Can MAX211CDW be used despite "Last Time Buy" status?

A: MAX211CDW is designated Last Time Buy, indicating the manufacturer will discontinue production. While currently available with 776 units in stock, this part should not be selected for new designs or long-term production requirements. MAX211CDWR (Tape & Reel variant) maintains Active status with 4,778 units in stock and is the recommended alternative from Texas Instruments.

Q: What voltage supply range compatibility should be verified?

A: The original SP211ECT-L/TR operates 4.5V ~ 5.5V. Most substitutes maintain this identical range. ADM241LARZ, ADM241LARZ-REEL, and ADM241LJRZ operate 4.75V ~ 5.25V, a narrower range centered within the original specification. Verify that system power supply regulation meets the tighter 4.75V ~ 5.25V tolerance if selecting ADM241 variants.

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