TRS3222CDWR Equivalent & Substitute Parts

Part Overview

The TRS3222CDWR is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments, housed in a 20-SOIC surface mount package. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system support and new design implementations. The part operates across a 3V to 5.5V supply range with a maximum data rate of 250kbps and is suitable for legacy RS232 communication applications requiring dual driver and receiver channels.

Substiute Parts

TRS3222CDWR

Texas InstrumentsIn Stock: 3888TRS3222CDWR Datasheet

Current PartRFQ

MAX3222CDWR

Texas InstrumentsIn Stock: 2970MAX3222CDWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TRS3222CDWR is determined by strict equivalence across the following critical parameters:

• Protocol: RS232
• Number of Drivers/Receivers: 2/2 configuration
• Duplex Mode: Full-duplex operation
• Receiver Hysteresis: 300 mV
• Data Rate: 250kbps minimum
• Supply Voltage Range: 3V ~ 5.5V
• Package Type: 20-SOIC form factor
• Mounting: Surface mount technology
• Compliance: ROHS3 and REACH requirements

The MAX3222CDWR qualifies as a parametric equivalent based on identical electrical specifications and mechanical compatibility across all listed parameters.

Parameter Comparison

Engineering Selection Recommendations

The MAX3222CDWR serves as a direct parametric equivalent to the TRS3222CDWR. Both components are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications across all critical parameters. The MAX3222CDWR carries a Last Time Buy status, indicating limited future availability, whereas the TRS3222CDWR is classified as obsolete.

For applications currently using the TRS3222CDWR, the MAX3222CDWR provides pin-compatible replacement capability with no circuit modifications required. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the MAX3222CDWR replace the TRS3222CDWR in existing designs?

A: Yes. The MAX3222CDWR is a parametric equivalent with identical electrical specifications, pin configuration, and 20-SOIC package dimensions. Direct substitution is supported without circuit redesign.

Q: What is the difference between the TRS3222CDWR and MAX3222CDWR?

A: Both parts are functionally identical across all specified parameters. The primary difference is product status: TRS3222CDWR is obsolete, while MAX3222CDWR is Last Time Buy. Both are manufactured by Texas Instruments.

Q: Are there packaging differences between these parts?

A: No. Both the TRS3222CDWR and MAX3222CDWR are supplied in 20-SOIC (0.295", 7.50mm Width) surface mount packages. Mechanical compatibility is maintained for PCB assembly without modification.

Q: Do these parts meet current compliance standards?

A: Yes. Both the TRS3222CDWR and MAX3222CDWR are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What supply voltage range do these transceivers support?

A: Both parts operate across a 3V to 5.5V supply voltage range, supporting single and dual supply configurations typical in RS232 interface applications.

Q: What is the maximum data rate for these RS232 transceivers?

A: Both the TRS3222CDWR and MAX3222CDWR support a maximum data rate of 250kbps, suitable for standard RS232 serial communication applications.