MAX213CWI Equivalent & Substitute Parts

Part Overview

The MAX213CWI is a full-duplex RS232 transceiver IC manufactured by Analog Devices Inc./Maxim Integrated, configured with 4 drivers and 5 receivers in a 28-SOIC surface mount package. This part is classified as obsolete and has been superseded by newer variants with improved compliance and extended temperature ranges. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and meet current regulatory requirements for new production runs.

Key Parameters

Parameter	MAX213CWI
Manufacturer	Analog Devices Inc./Maxim Integrated
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/5
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 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)
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the MAX213CWI is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Protocol: RS232
Number of Drivers/Receivers: 4/5
Duplex: Full
Receiver Hysteresis: 500 mV
Data Rate: 120 Kbps (minimum)
Voltage Supply Range: 4.5V ~ 5.5V
Package / Case: 28-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount

Substitute Categories:

Category 1: Direct Parametric Equivalents (Active Status) Parts meeting all primary equivalence criteria with active product status and improved compliance:

MAX211CWI+
MAX211ECWI+
MAX213CWI+
MAX213ECWI+
MAX241CWI+
MAX241ECWI+

Category 2: Extended Temperature Range Alternatives Parts with identical electrical specifications but extended operating temperature range (-40°C ~ 85°C) and higher receiver hysteresis (650 mV):

ADM213ARZ
ADM213ARZ-REEL
ADM213EARZ

Category 3: Reduced Driver/Receiver Configuration Part with reduced driver/receiver count (3/5 instead of 4/5) and slightly lower data rate (116 Kbps):

MAX214CWI+

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Data Rate	Receiver Hysteresis	Operating Temperature	Product Status	RoHS Status	Packaging
MAX213CWI	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Obsolete	RoHS non-compliant	Tube
MAX211CWI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
MAX211ECWI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
MAX213CWI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
MAX213ECWI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
MAX214CWI+	Analog Devices Inc./Maxim Integrated	3/5	116 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
MAX241CWI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
MAX241ECWI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	500 mV	0°C ~ 70°C	Active	ROHS3 Compliant	Tube
ADM213ARZ	Analog Devices Inc.	4/5	120 Kbps	650 mV	-40°C ~ 85°C	Active	ROHS3 Compliant	Tube
ADM213ARZ-REEL	Analog Devices Inc.	4/5	120 Kbps	650 mV	-40°C ~ 85°C	Active	ROHS3 Compliant	Tape & Reel (TR)
ADM213EARZ	Analog Devices Inc.	4/5	230 Kbps	650 mV	-40°C ~ 85°C	Active	ROHS3 Compliant	Tube

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance): Select MAX213CWI+, MAX213ECWI+, MAX241CWI+, or MAX241ECWI+ when the design requires exact electrical equivalence to the MAX213CWI. These parts maintain the 4/5 driver/receiver configuration, 120 Kbps data rate, and 500 mV receiver hysteresis. All are active products with ROHS3 compliance, eliminating regulatory obsolescence risk.

For Extended Temperature Applications: Select ADM213ARZ or ADM213ARZ-REEL when the application requires extended operating temperature range (-40°C ~ 85°C). These parts are manufacturer-recommended alternatives with higher receiver hysteresis (650 mV) and active product status. ADM213ARZ-REEL is preferred for high-volume production due to tape and reel packaging.

For Enhanced Data Rate Performance: Select ADM213EARZ when the application can benefit from increased data rate capability (230 Kbps) while maintaining the 4/5 driver/receiver configuration and extended temperature range. This part is manufacturer-recommended and ROHS3 compliant.

For Reduced Channel Count Applications: Select MAX214CWI+ only when the design can operate with 3 drivers and 5 receivers instead of 4/5. This part maintains the 500 mV receiver hysteresis and is active with ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can MAX213CWI+ be used as a direct drop-in replacement for MAX213CWI? A: Yes. MAX213CWI+ maintains identical electrical specifications (4/5 drivers/receivers, 120 Kbps data rate, 500 mV receiver hysteresis, 4.5V ~ 5.5V supply) and package (28-SOIC). The primary difference is active product status and ROHS3 compliance.

Q: What is the difference between MAX213ECWI+ and MAX213CWI+? A: Both parts are parametrically equivalent with identical electrical specifications and package. The difference lies in the temperature grade designation (E-grade vs. C-grade), which is a manufacturer classification. Both support 0°C ~ 70°C operating temperature.

Q: Why would I select ADM213ARZ over MAX213CWI+? A: ADM213ARZ extends the operating temperature range to -40°C ~ 85°C and increases receiver hysteresis to 650 mV. Select this part for industrial or automotive applications requiring wider temperature operation. It is a manufacturer-recommended alternative.

Q: Is ADM213EARZ compatible with MAX213CWI designs? A: ADM213EARZ is electrically compatible for the 4/5 driver/receiver configuration and 4.5V ~ 5.5V supply. However, it operates at 230 Kbps data rate (versus 120 Kbps) and -40°C ~ 85°C temperature range. Verify that your design can accommodate the higher data rate capability and extended temperature range.

Q: What is the difference between ADM213ARZ and ADM213ARZ-REEL? A: Both parts are electrically identical. ADM213ARZ is supplied in tube packaging, while ADM213ARZ-REEL is supplied in tape and reel format. Select tape and reel for automated assembly and high-volume production.

Q: Can MAX214CWI+ replace MAX213CWI? A: MAX214CWI+ has a reduced driver/receiver configuration (3/5 instead of 4/5) and slightly lower data rate (116 Kbps instead of 120 Kbps). Use this part only if your design requires fewer channels and can operate at the lower data rate.

Q: Are all substitute parts ROHS3 compliant? A: All substitute parts listed are ROHS3 compliant. The original MAX213CWI is RoHS non-compliant. For new designs or production runs subject to RoHS regulations, select any of the active substitute parts.

Q: What is the supply voltage compatibility across all parts? A: All parts in this list operate within the 4.5V ~ 5.5V supply range. No voltage adjustment is required when substituting between these parts.

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