MAX213CDB Equivalent & Substitute Parts

Part Overview

The MAX213CDB is a 4/5 full-duplex RS232 transceiver IC in 28-SSOP surface mount packaging manufactured by Texas Instruments. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs. The MAX213CDB operates within a 4.5V to 5.5V supply range with a 120 kbps data rate and 500 mV receiver hysteresis, designed for industrial and commercial RS232 communication applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX213CDB
Manufacturer	Texas Instruments
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
Package / Case	28-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAX213CDB is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS232
Number of Drivers/Receivers: 4/5
Duplex: Full
Package / Case: 28-SSOP (0.209", 5.30mm Width)
Voltage - Supply: 4.5V ~ 5.5V
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Allowable Variations:

Operating Temperature: The MAX213CDB operates 0°C ~ 70°C. Substitute parts with extended temperature ranges (-40°C ~ 85°C) are acceptable as they encompass the original operating window.
Data Rate: The MAX213CDB specifies 120 kbps. Substitute parts with equal or higher data rates (120 kbps or 230 kbps) are acceptable.
Receiver Hysteresis: The MAX213CDB specifies 500 mV. Substitute parts with 500 mV or 650 mV hysteresis are acceptable within RS232 specifications.
Moisture Sensitivity Level (MSL): The MAX213CDB specifies MSL 1 (Unlimited). Substitute parts with MSL 1 or MSL 3 are acceptable.

Substitute parts are grouped by manufacturer and product status to facilitate selection based on availability and long-term support requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Operating Temperature	Receiver Hysteresis	Package	Product Status	MSL
MAX213CDB	Texas Instruments	RS232	4/5	120 kbps	0°C ~ 70°C	500 mV	28-SSOP	Obsolete	1
TRS213IDBR	Texas Instruments	RS232	4/5	120 kbps	-40°C ~ 85°C	500 mV	28-SSOP	Active	1
HIN213ECAZ-T	Renesas Electronics Corporation	RS232	4/5	120 kbps	0°C ~ 70°C	500 mV	28-SSOP	Active	3
HIN213EIAZ	Renesas Electronics Corporation	RS232	4/5	230 kbps	-40°C ~ 85°C	500 mV	28-SSOP	Active	3
HIN213EIAZ-T	Renesas Electronics Corporation	RS232	4/5	230 kbps	-40°C ~ 85°C	500 mV	28-SSOP	Active	3
MAX213EEAI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 kbps	-40°C ~ 85°C	500 mV	28-SSOP	Active	1
MAX213EEAI+T	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 kbps	-40°C ~ 85°C	500 mV	28-SSOP	Active	1
ADM213ARSZ	Analog Devices Inc.	RS232	4/5	120 kbps	-40°C ~ 85°C	650 mV	28-SSOP	Active	1
ADM213ARSZ-REEL	Analog Devices Inc.	RS232	4/5	120 kbps	-40°C ~ 85°C	650 mV	28-SSOP	Active	1
ADM213EARSZ	Analog Devices Inc.	RS232	4/5	230 kbps	-40°C ~ 85°C	650 mV	28-SSOP	Active	1
ADM213EARSZ-REEL	Analog Devices Inc.	RS232	4/5	230 kbps	-40°C ~ 85°C	650 mV	28-SSOP	Active	1

Engineering Selection Recommendations

Primary Recommendation: TRS213IDBR

The TRS213IDBR from Texas Instruments is the manufacturer-recommended direct substitute. It maintains identical electrical specifications to the MAX213CDB while offering an extended operating temperature range (-40°C ~ 85°C) and active product status with 27,100 units in stock. This part is ROHS3 compliant with MSL 1 rating, ensuring compatibility with existing supply chain and manufacturing processes.

Alternative Recommendations by Manufacturer:

Renesas Electronics Corporation (HIN213 Series):

HIN213ECAZ-T: Direct electrical equivalent with matching 0°C ~ 70°C operating temperature and 120 kbps data rate. Active status with 17,600 units available. MSL 3 rating requires standard moisture control during handling.
HIN213EIAZ and HIN213EIAZ-T: Enhanced performance variants with 230 kbps data rate and extended temperature range (-40°C ~ 85°C). Active status with combined inventory of 35,540 units. Suitable for applications requiring higher data throughput.

Analog Devices Inc./Maxim Integrated (MAX213 Series):

MAX213EEAI+ and MAX213EEAI+T: Active variants with extended temperature range (-40°C ~ 85°C) and MSL 1 rating. Combined inventory of 6,588 units. Maintains 120 kbps data rate specification.

Analog Devices Inc. (ADM213 Series):

ADM213ARSZ and ADM213ARSZ-REEL: Standard performance with 650 mV receiver hysteresis (versus 500 mV in original). Extended temperature range and active status. Combined inventory of 3,941 units.
ADM213EARSZ and ADM213EARSZ-REEL: Enhanced performance with 230 kbps data rate and 650 mV receiver hysteresis. Extended temperature range and active status. Combined inventory of 6,119 units.

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original MAX213CDB specification.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher data rate than the MAX213CDB?

A: Yes. The MAX213CDB operates at 120 kbps. Substitute parts with 230 kbps data rate capability are fully compatible, as higher data rate capacity does not affect operation at lower speeds. The HIN213EIAZ, HIN213EIAZ-T, ADM213EARSZ, and ADM213EARSZ-REEL all support 230 kbps operation.

Q: What is the difference between 500 mV and 650 mV receiver hysteresis?

A: Receiver hysteresis defines the voltage difference between the rising and falling threshold levels for RS232 signal detection. Both 500 mV and 650 mV hysteresis values fall within RS232 specification tolerances. The 650 mV hysteresis in ADM213 series parts provides slightly greater noise immunity in electrically noisy environments.

Q: Can I substitute a part with an extended temperature range (-40°C ~ 85°C) for the original 0°C ~ 70°C specification?

A: Yes. Extended temperature range parts encompass the original operating window and are fully compatible. Parts such as TRS213IDBR, MAX213EEAI+, MAX213EEAI+T, and all ADM213 variants operate across -40°C ~ 85°C and are suitable for applications requiring the original 0°C ~ 70°C range.

Q: What is the significance of MSL 1 versus MSL 3 rating?

A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions during storage and handling. MSL 3 (168 Hours) requires that parts be used within 168 hours of package opening under controlled humidity conditions. The HIN213ECAZ-T, HIN213EIAZ, and HIN213EIAZ-T carry MSL 3 ratings and require standard moisture control procedures. All other substitutes carry MSL 1 rating.

Q: Are all substitute parts available in the same packaging options?

A: Packaging varies by part number. The MAX213CDB is specified in 28-SSOP surface mount package. All substitute parts maintain the same 28-SSOP package footprint. Packaging format options (Tube, Tape & Reel, Cut Tape & Digi-Reel) differ by manufacturer and part variant. Verify specific packaging availability with your supplier.

Q: Is the TRS213IDBR the only Texas Instruments substitute?

A: Yes. The TRS213IDBR is the manufacturer-recommended Texas Instruments substitute for the obsolete MAX213CDB. It is the only active Texas Instruments part in the substitute list.

Q: Can I mix substitute parts from different manufacturers in the same design?

A: Yes. All substitute parts maintain identical electrical interface specifications (RS232 protocol, 4/5 drivers/receivers, full duplex, 28-SSOP package, 4.5V ~ 5.5V supply). They are pin-compatible and functionally interchangeable. However, verify component sourcing and supply chain continuity for production consistency.

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