MAX3093EESE RS422/RS485 Receiver IC Equivalent & Substitute Parts

Part Overview

The MAX3093EESE is a 0/4 receiver interface IC for RS422 and RS485 serial communication protocols, manufactured by Analog Devices Inc./Maxim Integrated. This component is classified as obsolete, with 4,310 units currently in stock. Due to its obsolete status, identifying equivalent and substitute parts is essential for ongoing system maintenance, redesigns, and long-term supply chain planning. Active alternatives with identical or superior electrical characteristics are available from the same manufacturer and complementary suppliers.

Key Parameters

Parameter	MAX3093EESE
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	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	16-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	RoHS non-compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX3093EESE is determined by the following critical parameters:

Primary Compatibility Criteria:

Protocol support: RS422 and RS485
Receiver configuration: 0/4 (4 receivers, 0 drivers)
Package type: 16-SOIC form factor
Supply voltage range: 4.75V ~ 5.25V
Mounting type: Surface Mount

Secondary Considerations:

Receiver hysteresis: 45 mV (MAX3093EESE) vs. 25 mV (LTC1518/LTC1519 series)
Data rate: 10 Mbps (MAX3093EESE) vs. 52 Mbps (LTC1518/LTC1519 series)
Operating temperature range: -40°C ~ 85°C (MAX3093EESE) vs. 0°C ~ 70°C (LTC1518CS/LTC1519CS variants)
Product status and RoHS compliance

Substitute parts are grouped into three categories: direct packaging equivalents, parametric equivalents with enhanced performance, and manufacturer-recommended alternatives with different electrical specifications.

Parameter Comparison

Part Number	Manufacturer	Protocol	Receivers	Hysteresis	Data Rate	Supply Voltage	Temp Range	Package	Status	RoHS
MAX3093EESE	Analog Devices	RS422/RS485	0/4	45 mV	10 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	16-SOIC	Obsolete	Non-compliant
MAX3093EESE+	Analog Devices	RS422/RS485	0/4	45 mV	10 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	16-SOIC	Active	ROHS3 Compliant
MAX3095ESE+	Analog Devices	RS422/RS485	0/4	45 mV	10 Mbps	4.75V ~ 5.25V	-40°C ~ 85°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
LTC1519IS#TRPBF	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

Direct Replacement (Identical Electrical Performance):

MAX3093EESE+ and MAX3095ESE+ are pin-compatible, form-factor equivalent alternatives with identical electrical specifications. Both are active products with ROHS3 compliance, addressing the obsolescence and regulatory compliance limitations of the original MAX3093EESE. These parts maintain the 45 mV receiver hysteresis, 10 Mbps data rate, and -40°C ~ 85°C operating temperature range. Selection between these two depends on packaging preference (tube vs. tape & reel) and inventory availability.

Performance-Enhanced Alternatives (LTC1518 Series):

The LTC1518 family (CS and IS variants) offers superior electrical performance with 52 Mbps data rate capability and reduced receiver hysteresis (25 mV). These parts are fully compatible with RS422/RS485 protocols and maintain the 16-SOIC package form factor. The LTC1518IS variants support the full -40°C ~ 85°C temperature range, matching the original part's thermal specifications. The LTC1518CS variants operate within 0°C ~ 70°C, suitable for controlled industrial environments. All LTC1518 variants are ROHS3 compliant and actively manufactured.

Performance-Enhanced Alternatives (LTC1519 Series):

The LTC1519 family provides equivalent performance to LTC1518 with identical electrical characteristics: 52 Mbps data rate, 25 mV receiver hysteresis, and 16-SOIC packaging. LTC1519IS variants support -40°C ~ 85°C operation, while LTC1519CS variants operate within 0°C ~ 70°C. All LTC1519 parts are ROHS3 compliant and actively produced.

Selection Criteria:

For applications requiring identical electrical performance and immediate obsolescence resolution, select MAX3093EESE+ or MAX3095ESE+. For applications where enhanced data rate capability and improved noise immunity are beneficial, select LTC1518IS#TRPBF or LTC1519IS#TRPBF for full temperature range support, or LTC1518CS#TRPBF and LTC1519CS#TRPBF for standard industrial temperature ranges. Packaging format (tube vs. tape & reel) should align with manufacturing and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX3093EESE be directly replaced with MAX3093EESE+?

A: Yes. MAX3093EESE+ is a direct functional equivalent with identical electrical specifications, pin configuration, and 16-SOIC package. The primary differences are active product status and ROHS3 compliance. No circuit modifications are required.

Q: What is the difference between MAX3093EESE+ and MAX3095ESE+?

A: Both parts are electrically identical with 45 mV receiver hysteresis, 10 Mbps data rate, and -40°C ~ 85°C operation. The difference lies in the base product number designation (MAX3093 vs. MAX3095). Both are suitable direct replacements for the obsolete MAX3093EESE.

Q: Can LTC1518 or LTC1519 parts replace MAX3093EESE in existing designs?

A: LTC1518 and LTC1519 parts are functionally compatible for RS422/RS485 receiver applications with identical pin configuration and 16-SOIC packaging. However, they feature different electrical characteristics: 52 Mbps data rate (vs. 10 Mbps) and 25 mV receiver hysteresis (vs. 45 mV). These differences are generally transparent in most applications but should be evaluated against specific system requirements, particularly for noise-sensitive or legacy communication protocols.

Q: What is the difference between tube and tape & Reel (TR) packaging?

A: Tube packaging (PBF suffix) is suitable for manual assembly and small-volume production. Tape & Reel packaging (TRPBF suffix) is optimized for automated pick-and-place assembly and high-volume manufacturing. Electrical performance is identical; selection depends on manufacturing process requirements.

Q: Why do LTC1518CS and LTC1519CS have a narrower operating temperature range?

A: LTC1518CS and LTC1519CS variants are specified for 0°C ~ 70°C operation, suitable for controlled industrial environments. LTC1518IS and LTC1519IS variants extend operation to -40°C ~ 85°C for applications requiring full military and extended temperature range support. Select based on actual operating environment requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (MAX3093EESE+, MAX3095ESE+, LTC1518 series, and LTC1519 series) are ROHS3 compliant. The original MAX3093EESE is RoHS non-compliant, making the transition to compliant alternatives necessary for new designs and regulatory adherence.

Q: What inventory levels are available for each substitute part?

A: MAX3093EESE+ has 1,744 units in stock. MAX3095ESE+ has 100,098 units available. LTC1518 variants range from 1,099 to 3,952 units depending on packaging and temperature grade. LTC1519 variants range from 1,218 to 3,900 units. Verify current availability with your supplier for production planning.

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