SP211EHCT-L Equivalent & Substitute Parts

Part Overview

The SP211EHCT-L is a 4/5 full-duplex RS232 transceiver IC manufactured by MaxLinear, Inc., housed in a 28-SOIC surface mount package. This component is classified as obsolete, indicating discontinued production and limited availability. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing system maintenance and production requirements.

Key Parameters

Parameter	SP211EHCT-L
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/5
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	480 Kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	28-SOIC (0.295", 7.50mm Width)
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the SP211EHCT-L is determined by the following critical parameters:

Primary Compatibility Criteria:

RS232 protocol compliance
4/5 driver/receiver configuration
Full-duplex operation
28-SOIC package format
Surface mount mounting type
Supply voltage range: 4.5V ~ 5.5V

Secondary Compatibility Considerations:

Receiver hysteresis tolerance (500 mV nominal)
Data rate capability (minimum 480 Kbps required for full compatibility)
Operating temperature range (0°C ~ 70°C minimum)
Moisture sensitivity level (MSL 3 acceptable)

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

Category A - Direct Performance Match: Parts with 500 mV receiver hysteresis, 230+ Kbps data rate, and 0°C ~ 70°C operating temperature range. These include SP211ECT-L/TR and HIN211 series variants.

Category B - Extended Performance: Parts with 650 mV receiver hysteresis, 120 Kbps data rate, and -40°C ~ 85°C operating temperature range. These include ADM211 series variants from Analog Devices Inc., offering enhanced environmental specifications and superior compliance certifications.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Receiver Hysteresis	Data Rate	Supply Voltage	Operating Temp	Package	Product Status	RoHS Status
SP211EHCT-L	MaxLinear, Inc.	RS232	4/5	500 mV	480 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Obsolete	Not Specified
SP211ECT-L/TR	MaxLinear, Inc.	RS232	4/5	500 mV	230 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	RoHS Compliant
ADM211ARZ	Analog Devices Inc.	RS232	4/5	650 mV	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	ROHS3 Compliant
ADM211ARZ-REEL	Analog Devices Inc.	RS232	4/5	650 mV	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	ROHS3 Compliant
ADM211EARZ	Analog Devices Inc.	RS232	4/5	650 mV	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	ROHS3 Compliant
ADM211EARZ-REEL	Analog Devices Inc.	RS232	4/5	650 mV	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	ROHS3 Compliant
HIN211ECBZ	Renesas Electronics Corporation	RS232	4/5	500 mV	230 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	ROHS3 Compliant
HIN211ECBZ-T	Renesas Electronics Corporation	RS232	4/5	500 mV	230 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	ROHS3 Compliant
HIN211EIBZ	Renesas Electronics Corporation	RS232	4/5	500 mV	230 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	ROHS3 Compliant
MAX211CDW	Texas Instruments	RS232	4/5	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Last Time Buy	ROHS3 Compliant
MAX211CDWR	Texas Instruments	RS232	4/5	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	ROHS3 Compliant

Engineering Selection Recommendations

For New Designs and Active Production:

SP211ECT-L/TR is the primary recommended substitute, maintaining MaxLinear manufacturing continuity with active product status and RoHS compliance. This part preserves the original electrical characteristics (500 mV hysteresis, 230 Kbps data rate) within the standard industrial temperature range.

HIN211ECBZ and HIN211ECBZ-T from Renesas Electronics Corporation provide equivalent electrical performance with ROHS3 compliance and established supply availability. These parts are suitable for applications requiring standard industrial temperature operation (0°C ~ 70°C).

HIN211EIBZ extends the operating temperature range to -40°C ~ 85°C while maintaining 500 mV receiver hysteresis and 230 Kbps data rate, making it appropriate for extended environmental applications.

For Applications Requiring Extended Environmental Specifications:

ADM211ARZ, ADM211ARZ-REEL, ADM211EARZ, and ADM211EARZ-REEL from Analog Devices Inc. offer superior compliance certifications (ROHS3 Compliant, REACH Unaffected) and extended operating temperature range (-40°C ~ 85°C). These parts feature MSL 1 (Unlimited) moisture sensitivity, providing enhanced reliability for demanding environments. The trade-off is reduced data rate (120 Kbps) and increased receiver hysteresis (650 mV), which remain within RS232 specification tolerances.

For Legacy System Maintenance:

MAX211CDW and MAX211CDWR from Texas Instruments maintain compatibility with existing designs. MAX211CDWR is preferred due to active product status, while MAX211CDW is available as Last Time Buy inventory. Both feature ROHS3 compliance and 500 mV receiver hysteresis.

Packaging Considerations:

Tube packaging is suitable for low-volume applications and repair operations. Tape & Reel (TR) packaging is specified for high-volume production and automated assembly processes. Selection should align with procurement and manufacturing requirements.

Frequently Asked Questions (FAQ)

Q: Can SP211EHCT-L be directly replaced with SP211ECT-L/TR?

A: Yes. Both parts maintain identical RS232 protocol, 4/5 driver/receiver configuration, 500 mV receiver hysteresis, and 28-SOIC package format. The primary difference is product status (obsolete vs. active) and packaging format (bulk vs. tape & reel). SP211ECT-L/TR is the manufacturer-recommended direct substitute.

Q: What is the significance of receiver hysteresis in RS232 transceiver selection?

A: Receiver hysteresis determines the voltage differential required to switch logic states, affecting noise immunity and signal integrity. The SP211EHCT-L specifies 500 mV hysteresis. Substitute parts with identical 500 mV hysteresis (SP211ECT-L/TR, HIN211 series, MAX211 series) provide equivalent noise rejection. Parts with 650 mV hysteresis (ADM211 series) offer enhanced noise immunity at the cost of reduced sensitivity.

Q: Are ADM211 series parts suitable replacements for the SP211EHCT-L?

A: ADM211 series parts are functionally compatible as RS232 4/5 transceivers in 28-SOIC packages. However, they feature reduced data rate (120 Kbps vs. 480 Kbps) and increased receiver hysteresis (650 mV vs. 500 mV). These differences are acceptable for most RS232 applications operating below 120 Kbps. ADM211 parts are preferred for applications requiring extended temperature operation (-40°C ~ 85°C) and superior compliance certifications.

Q: What is the difference between tube and tape & reel packaging?

A: Tube packaging contains individual components in a plastic tube, suitable for manual handling and low-volume applications. Tape & Reel (TR) packaging presents components on continuous carrier tape, optimized for automated pick-and-place assembly and high-volume production. Electrical performance is identical; selection depends on manufacturing process requirements.

Q: Why do some substitute parts have lower data rates than the original SP211EHCT-L?

A: The SP211EHCT-L specifies 480 Kbps maximum data rate. Many substitute parts (ADM211 series at 120 Kbps, MAX211 series at 120 Kbps) feature lower rated data rates. This reflects conservative design specifications and enhanced reliability margins. For typical RS232 applications operating at standard baud rates (9600, 19200, 38400 bps), these lower-rated parts provide full functional compatibility.

Q: What does RoHS compliance indicate?

A: RoHS (Restriction of Hazardous Substances) compliance indicates the part meets environmental standards restricting lead, cadmium, mercury, and other hazardous materials. RoHS Compliant and ROHS3 Compliant designations confirm adherence to current regulatory requirements. All active substitute parts listed meet RoHS standards, supporting compliance with environmental regulations and industry standards.

Q: Is MSL (Moisture Sensitivity Level) important for component selection?

A: MSL indicates moisture absorption risk during storage and handling. MSL 3 (168 Hours) requires controlled storage conditions and baking before reflow soldering. MSL 1 (Unlimited) indicates minimal moisture sensitivity, reducing handling complexity. For high-reliability applications or extended storage periods, MSL 1 parts (ADM211 series) are preferred. For standard manufacturing environments, MSL 3 parts are acceptable with proper moisture control procedures.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message