MAX3313ECUB RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX3313ECUB is a full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, configured as a 1/1 driver/receiver pair in a 10-pin surface mount package. This interface IC operates across the 4.5V to 5.5V supply range with a maximum data rate of 460 Kbps and is designed for applications requiring single-channel RS232 communication.

The MAX3313ECUB is classified as obsolete. Identifying parametrically equivalent active alternatives ensures design continuity and supply chain reliability for new production runs and long-term system support.

Key Parameters

Parameter	Value
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	1/1
Duplex	Full
Data Rate	460 Kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Receiver Hysteresis	500 mV
Mounting Type	Surface Mount
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-uMAX/uSOP

Substitute Part Grouping Explanation

Substitution of the MAX3313ECUB is determined by strict equivalence across the following parameters:

Protocol: RS232
Number of Drivers/Receivers: 1/1 configuration
Duplex Mode: Full
Data Rate: 460 Kbps minimum
Supply Voltage Range: 4.5V ~ 5.5V
Operating Temperature Range: 0°C ~ 70°C
Receiver Hysteresis: 500 mV
Package Type: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package: 10-uMAX/uSOP

All four substitute parts listed below meet these electrical and mechanical requirements without deviation.

Parameter Comparison

Part Number	Manufacturer	Product Status	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Operating Temp	Package	RoHS Status	Inventory
MAX3313ECUB	Analog Devices Inc./Maxim Integrated	Obsolete	RS232	1/1	460 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	10-TFSOP, 10-MSOP	RoHS non-compliant	2300 Pcs
MAX3311CUB+	Analog Devices Inc./Maxim Integrated	Active	RS232	1/1	460 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	10-TFSOP, 10-MSOP	ROHS3 Compliant	3100 Pcs
MAX3311ECUB+	Analog Devices Inc./Maxim Integrated	Active	RS232	1/1	460 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	10-TFSOP, 10-MSOP	ROHS3 Compliant	2250 Pcs
MAX3313CUB+	Analog Devices Inc./Maxim Integrated	Active	RS232	1/1	460 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	10-TFSOP, 10-MSOP	ROHS3 Compliant	2160 Pcs
MAX3313ECUB+	Analog Devices Inc./Maxim Integrated	Active	RS232	1/1	460 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	10-TFSOP, 10-MSOP	ROHS3 Compliant	23754 Pcs

Engineering Selection Recommendations

All four substitute parts are parametrically equivalent to the MAX3313ECUB and support direct replacement in applications requiring RS232 1/1 transceiver functionality at 460 Kbps.

The primary distinction between alternatives is product status and regulatory compliance:

MAX3313ECUB: Obsolete status, RoHS non-compliant. Suitable only for legacy system maintenance where existing inventory is available.
MAX3311CUB+, MAX3311ECUB+, MAX3313CUB+, MAX3313ECUB+: All active products with ROHS3 compliance. Recommended for new designs and production runs requiring current-generation components.

MAX3313ECUB+ offers the highest inventory availability (23,754 Pcs) among active alternatives, supporting volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX3311 and MAX3313 variants be used interchangeably?

A: Yes. Both MAX3311 and MAX3313 base part numbers meet the electrical and mechanical substitution criteria defined for this product category. All variants listed maintain identical RS232 protocol, 1/1 driver/receiver configuration, 460 Kbps data rate, supply voltage range, operating temperature range, and package specifications.

Q: What is the difference between CUB+ and ECUB+ packaging designations?

A: Both designations refer to the same 10-uMAX/uSOP package type (10-TFSOP, 10-MSOP). The primary difference is packaging format: CUB+ indicates tube packaging, while ECUB+ also indicates tube packaging. Both are surface mount configurations with identical mechanical and electrical interfaces.

Q: Why is the MAX3313ECUB classified as obsolete?

A: Obsolete status indicates the part is no longer in active production. Active alternatives with identical electrical specifications and improved regulatory compliance (ROHS3) are available for new designs.

Q: Are there any compliance differences between substitute parts?

A: The MAX3313ECUB is RoHS non-compliant. All substitute parts (MAX3311CUB+, MAX3311ECUB+, MAX3313CUB+, MAX3313ECUB+) are ROHS3 compliant. Both the original and substitutes are REACH Unaffected and classified under ECCN EAR99.

Q: Which substitute part should be selected for new production?

A: MAX3313ECUB+ is recommended for new production due to active product status, ROHS3 compliance, and highest inventory availability (23,754 Pcs). This part provides supply chain continuity and regulatory alignment for current manufacturing standards.

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