MAX3093ECSE Equivalent & Substitute Parts

Part Overview

The MAX3093ECSE is a 0/4 Receiver RS422/RS485 interface IC manufactured by Analog Devices Inc./Maxim Integrated in a 16-SOIC surface mount package. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for new designs or production continuity. The part operates within a 4.75V to 5.25V supply voltage range with a 10 Mbps data rate and 45 mV receiver hysteresis, suitable for industrial serial communication applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX3093ECSE
Manufacturer	Analog Devices Inc./Maxim Integrated
Type	Receiver
Protocol	RS422, RS485
Number of Drivers/Receivers	0/4
Receiver Hysteresis	45 mV
Data Rate	10 Mbps
Voltage - Supply	4.75V ~ 5.25V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the MAX3093ECSE is determined by the following critical parameters: receiver configuration (0/4), protocol support (RS422/RS485), supply voltage range (4.75V ~ 5.25V), package type (16-SOIC), and mounting method (surface mount). Parts are grouped into three categories:

Direct Packaging Equivalent: MAX3093ECSE+ maintains identical electrical specifications and packaging but offers active product status and RoHS3 compliance.

Parametric Equivalent: MAX3095CSE+ provides equivalent electrical performance and packaging with active status and improved compliance.

Cross-Manufacturer Alternatives: Parts from Texas Instruments (DS3486M/NOPB) and Analog Devices (LTC1518/LTC1519 series) offer compatible receiver configurations, supply voltage ranges, and package footprints. These alternatives support RS422/RS485 protocols with active product status and RoHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Receiver Hysteresis	Data Rate	Supply Voltage	Operating Temp	Package	Product Status	RoHS Status
MAX3093ECSE	Analog Devices	RS422, RS485	0/4	45 mV	10 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Obsolete	Non-compliant
MAX3093ECSE+	Analog Devices	RS422, RS485	0/4	45 mV	10 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
MAX3095CSE+	Analog Devices	RS422, RS485	0/4	45 mV	10 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
DS3486M/NOPB	Texas Instruments	RS422, RS423	0/4	140 mV	—	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LTC1518CS#PBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LTC1518CS#TRPBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LTC1518IS#PBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
LTC1518IS#TRPBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
LTC1519CS#PBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LTC1519CS#TRPBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	16-SOIC	Active	ROHS3 Compliant
LTC1519IS#PBF	Analog Devices	RS422, RS485	0/4	25 mV	52 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant

Engineering Selection Recommendations

For new designs or production continuity, MAX3093ECSE+ is the primary direct replacement, offering identical electrical specifications with active product status and RoHS3 compliance. MAX3095CSE+ provides an equivalent alternative from the same manufacturer with equivalent performance characteristics.

The LTC1518 and LTC1519 series from Analog Devices offer higher data rates (52 Mbps versus 10 Mbps) and lower receiver hysteresis (25 mV versus 45 mV), making them suitable for applications requiring improved signal integrity and faster communication speeds. These parts maintain compatible supply voltage ranges and 16-SOIC packaging.

The DS3486M/NOPB from Texas Instruments supports RS422/RS423 protocols with compatible supply voltage and package specifications. The higher receiver hysteresis (140 mV) may affect noise immunity characteristics in specific applications.

All substitute parts listed are RoHS3 compliant and carry active product status, ensuring long-term availability and regulatory compliance for new production.

Frequently Asked Questions (FAQ)

Q: Can MAX3093ECSE+ be used as a direct replacement for MAX3093ECSE?

A: Yes. MAX3093ECSE+ maintains identical electrical specifications, receiver configuration (0/4), protocol support (RS422/RS485), supply voltage range (4.75V ~ 5.25V), and 16-SOIC package footprint. The primary differences are active product status and RoHS3 compliance.

Q: What are the differences between LTC1518 and LTC1519 series parts?

A: Both series provide 0/4 receiver configuration with RS422/RS485 protocol support, 25 mV receiver hysteresis, and 52 Mbps data rate. The primary distinction is operating temperature range: LTC1518 supports -40°C to 85°C (industrial grade), while LTC1519 supports 0°C to 70°C (commercial grade). Packaging options include tube (PBF) and tape & reel (TRPBF) formats.

Q: Is DS3486M/NOPB compatible with RS485 applications?

A: DS3486M/NOPB supports RS422 and RS423 protocols with 0/4 receiver configuration and compatible supply voltage (4.75V ~ 5.25V). The receiver hysteresis is 140 mV, which differs from the original MAX3093ECSE specification (45 mV). Verify application requirements for noise immunity and signal integrity before selection.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in tube packaging (PBF designation) and tape & reel packaging (TRPBF designation). Both formats maintain the 16-SOIC package footprint and are suitable for surface mount assembly. Select based on production volume and assembly process requirements.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed carry RoHS3 compliance status. The original MAX3093ECSE is RoHS non-compliant. Compliance verification is required for applications subject to RoHS regulations.

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