SN74LVC863APW Equivalent & Substitute Parts

Part Overview

The SN74LVC863APW is a non-inverting transceiver logic integrated circuit 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-TSSOP surface mount package. The SN74LVC863APW is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Substiute Parts

SN74LVC863APW

Texas InstrumentsIn Stock: 1020SN74LVC863APW Datasheet

Current PartRFQ

SN74LVC543APW

Texas InstrumentsIn Stock: 908SN74LVC543APW Datasheet

Parametric EquivalentRFQ

SN74LVC646APW

Texas InstrumentsIn Stock: 1211SN74LVC646APW Datasheet

Parametric EquivalentRFQ

SN74LVC652APW

Texas InstrumentsIn Stock: 1327SN74LVC652APW Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC863APW are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

• Logic Type: Transceiver, Non-Inverting
• Output Type: 3-State
• Supply Voltage Range: 1.65V ~ 3.6V
• Output Current Capability: 24mA (High and Low)
• Operating Temperature Range: -40°C ~ 85°C
• Package / Case: 24-TSSOP surface mount
• Series: 74LVC

The substitute parts SN74LVC543APW, SN74LVC646APW, and SN74LVC652APW maintain identical electrical performance characteristics and package specifications. The primary difference is the number of bits per element: the SN74LVC863APW provides 9 bits per element, while all three substitute parts provide 8 bits per element. This difference must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts—SN74LVC543APW, SN74LVC646APW, and SN74LVC652APW—are active products with current manufacturing status, providing supply chain continuity for designs currently using the obsolete SN74LVC863APW. All substitute parts maintain full compliance with ROHS3 and REACH requirements, ensuring regulatory alignment with current environmental standards.

The electrical performance characteristics are identical across all parts: 24mA output current capability, 1.65V to 3.6V supply voltage range, and -40°C to 85°C operating temperature. All parts are housed in the same 24-TSSOP surface mount package with identical physical dimensions, enabling direct PCB layout compatibility.

Selection among the three substitute parts should be based on application-specific bit-width requirements. The reduction from 9 bits to 8 bits per element must be evaluated against circuit design specifications and signal routing architecture.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC543APW, SN74LVC646APW, or SN74LVC652APW be used as direct replacements for SN74LVC863APW?

A: These parts are electrically and mechanically compatible with the SN74LVC863APW in terms of supply voltage, output current, operating temperature, and package specifications. However, the bit-width difference (8 bits versus 9 bits per element) must be evaluated against specific circuit requirements before implementation.

Q: What is the primary difference between the SN74LVC863APW and its substitute parts?

A: The SN74LVC863APW provides 9 bits per element, while SN74LVC543APW, SN74LVC646APW, and SN74LVC652APW each provide 8 bits per element. All other electrical and mechanical parameters remain identical.

Q: Are all substitute parts currently available?

A: Yes. SN74LVC543APW, SN74LVC646APW, and SN74LVC652APW are all classified as active products with current manufacturing status, ensuring ongoing availability and supply chain support.

Q: Do the substitute parts require any PCB layout modifications?

A: No. All substitute parts use the identical 24-TSSOP package with the same physical dimensions and pin spacing, enabling direct PCB compatibility without layout changes.

Q: Are compliance certifications maintained across all parts?

A: Yes. All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the environmental and regulatory certifications of the original SN74LVC863APW.

Q: What is the moisture sensitivity level for these parts?

A: All parts, including the SN74LVC863APW and its substitutes, have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.