SN74LVC863ADWR Equivalent & Substitute Parts

Part Overview

The SN74LVC863ADWR is a non-inverting transceiver logic IC manufactured by Texas Instruments, designed for 3-state output applications in the 74LVC series. This device operates across a supply voltage range of 1.65V to 3.6V and is housed in a 24-SOIC surface mount package. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

SN74LVC863ADWR

Texas InstrumentsIn Stock: 1138SN74LVC863ADWR Datasheet

Current PartRFQ

SN74LVC543ADWR

Texas InstrumentsIn Stock: 12022SN74LVC543ADWR Datasheet

Parametric EquivalentRFQ

SN74LVC652ADWR

Texas InstrumentsIn Stock: 4949SN74LVC652ADWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC863ADWR are identified based on strict parametric alignment within the 74LVC transceiver family. The primary substitution criteria are:

Matching Parameters:

• Logic Type: Non-Inverting Transceiver
• Output Type: 3-State
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 1.65V ~ 3.6V
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 24-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Variation Allowed:

• Number of Bits per Element: The SN74LVC863ADWR operates with 9 bits per element. Substitute parts with 8 bits per element (SN74LVC543ADWR, SN74LVC652ADWR) are functionally compatible when the application does not require the full 9-bit configuration.

Parameter Comparison

Engineering Selection Recommendations

The SN74LVC863ADWR is obsolete, necessitating substitution for new designs and production continuity. Both SN74LVC543ADWR and SN74LVC652ADWR are active products from Texas Instruments and maintain full parametric compatibility with the original part across all critical electrical and mechanical specifications.

The primary design consideration is the reduction from 9 bits per element to 8 bits per element in the substitute parts. This difference is acceptable for applications where the full 9-bit configuration is not required. Both substitute parts maintain identical supply voltage ranges (1.65V ~ 3.6V), output current specifications (24mA, 24mA), operating temperature range (-40°C ~ 85°C), and package form factor (24-SOIC).

Both SN74LVC543ADWR and SN74LVC652ADWR are ROHS3 compliant and carry MSL rating of 1 (Unlimited), ensuring compliance with environmental and reliability standards equivalent to the original part.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC543ADWR or SN74LVC652ADWR directly replace SN74LVC863ADWR in existing designs?

A: Direct replacement is possible when the application does not require the full 9-bit configuration of the original part. Both substitutes operate at identical supply voltages (1.65V ~ 3.6V), output current levels (24mA, 24mA), and temperature ranges (-40°C ~ 85°C). The 24-SOIC package footprint is identical, allowing for direct PCB substitution without layout modifications.

Q: What is the key difference between the SN74LVC863ADWR and its substitutes?

A: The SN74LVC863ADWR provides 9 bits per element, while SN74LVC543ADWR and SN74LVC652ADWR provide 8 bits per element. All other electrical and mechanical parameters remain identical. Selection depends on whether your application requires the additional bit.

Q: Are there any compliance or certification differences between these parts?

A: No. All three parts are ROHS3 compliant, carry MSL rating 1 (Unlimited), and are manufactured by Texas Instruments. The substitute parts are active products, whereas the original is obsolete.

Q: What is the packaging format for these parts?

A: All three parts use the 24-SOIC (0.295", 7.50mm Width) surface mount package. Tape & Reel (TR) packaging is available for the substitute parts, supporting automated assembly processes.

Q: Can I use these parts interchangeably in high-temperature applications?

A: Yes. All three parts operate across the identical temperature range of -40°C to 85°C (TA), making them suitable for equivalent thermal environments.