MAX242CAP RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX242CAP is a 2/2 full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, housed in a 20-SSOP surface mount package. This component is classified as obsolete, indicating discontinued production and limited availability through standard distribution channels. The identification of equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support legacy system maintenance or redesign initiatives.

Substiute Parts

MAX242CAP

Analog Devices Inc./Maxim IntegratedIn Stock: 851MAX242CAP Datasheet

Current PartRFQ

MAX242CAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1179MAX242CAP+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX242CAP is determined by strict equivalence across the following critical parameters:

• Protocol Compatibility: RS232 full-duplex transceiver functionality
• Channel Configuration: 2 drivers and 2 receivers (2/2 architecture)
• Electrical Performance: 500 mV receiver hysteresis, 200 kbps data rate, 4.5V to 5.5V supply voltage
• Thermal Specifications: 0°C to 70°C operating temperature range
• Physical Form Factor: 20-SSOP surface mount package with 0.209" (5.30mm) width
• Manufacturer Continuity: Analog Devices Inc./Maxim Integrated product line

The MAX242CAP+ meets all these criteria and is classified as a parametric equivalent. The primary distinction between the main part and its substitute is product status and compliance certification, not functional or electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

MAX242CAP+ as Primary Substitute

The MAX242CAP+ is the direct functional equivalent of the MAX242CAP. All electrical, thermal, and mechanical parameters are identical. The substitute part offers two significant advantages:

1. Product Status: The MAX242CAP+ maintains active production status, ensuring availability through authorized distribution channels and supporting long-term supply chain requirements.

2. Regulatory Compliance: The MAX242CAP+ achieves ROHS3 compliance, meeting current environmental and regulatory standards for electronic components in regulated markets and applications requiring RoHS certification.

The MAX242CAP+ is supplied in tube packaging, which is standard for active production components and suitable for automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can MAX242CAP+ be used as a direct replacement for MAX242CAP in existing designs?

A: Yes. The MAX242CAP+ is electrically and mechanically identical to the MAX242CAP. All functional parameters, pin configurations, and performance specifications are equivalent. No circuit modifications are required.

Q: What is the difference between MAX242CAP and MAX242CAP+?

A: The primary differences are product status and compliance certification. The MAX242CAP is obsolete and RoHS non-compliant, while the MAX242CAP+ is in active production and ROHS3 compliant. Electrical and functional specifications are identical.

Q: Does the packaging difference (unspecified vs. Tube) affect compatibility?

A: No. Packaging format affects handling, storage, and assembly logistics but does not impact electrical performance or circuit compatibility. Both parts use the same 20-SSOP surface mount package.

Q: Are there any thermal or voltage derating considerations when substituting MAX242CAP+ for MAX242CAP?

A: No. Both parts operate within the same voltage range (4.5V to 5.5V) and temperature range (0°C to 70°C). No derating or design adjustments are necessary.

Q: Is the MAX242CAP+ suitable for new designs?

A: Yes. The MAX242CAP+ is in active production status and meets current RoHS compliance requirements, making it appropriate for new product development and long-term production runs.