74LVC841APW,112 Equivalent & Substitute Parts

Part Overview

The 74LVC841APW,112 is a D-Type Transparent Latch IC manufactured by NXP Semiconductors, featuring a 10:10 circuit configuration with tri-state output capability in a 24-TSSOP package. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity. The 74LVC series logic latch serves as a bus-interface component in digital systems requiring transparent latching functionality with controlled output states.

Substiute Parts

74LVC841APW,112

NXP SemiconductorsIn Stock: 123774LVC841APW,112 Datasheet

Current PartRFQ

SN74LVC841ADBR

Texas InstrumentsIn Stock: 764SN74LVC841ADBR Datasheet

MFR RecommendedRFQ

SN74LVC841APW

Texas InstrumentsIn Stock: 788SN74LVC841APW Datasheet

MFR RecommendedRFQ

SN74LVC841APWR

Texas InstrumentsIn Stock: 18236SN74LVC841APWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74LVC841APW,112 is determined by the following critical parameters:

Functional Equivalence: All substitute parts maintain the same D-Type Transparent Latch logic type with 10:10 circuit configuration and tri-state output capability, ensuring functional compatibility at the circuit level.

Package Compatibility: Substitute parts are grouped by package type. The primary substitute SN74LVC841APWR and SN74LVC841APW maintain the 24-TSSOP package footprint (0.173", 4.40mm Width), providing direct PCB layout compatibility. The SN74LVC841ADBR uses a 24-SSOP package (0.209", 5.30mm Width), which requires PCB layout modification.

Electrical Parameters: All substitutes operate within overlapping voltage supply ranges (1.65V ~ 3.6V for Texas Instruments parts versus 2.7V ~ 3.6V for the original). Output current specifications remain constant at 24mA for both high and low states across all parts.

Product Status: The original part is obsolete. All three substitute parts from Texas Instruments carry active product status, ensuring long-term availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Direct PCB Compatibility): SN74LVC841APWR and SN74LVC841APW are the preferred substitutes for the 74LVC841APW,112. Both maintain the 24-TSSOP package footprint, eliminating PCB layout modifications. SN74LVC841APWR is available in Tape & Reel packaging with the highest inventory level (18,130 pcs), making it the optimal choice for production volume requirements. SN74LVC841APW is supplied in Tube packaging and serves applications with lower volume needs.

Secondary Substitute (Package Modification Required): SN74LVC841ADBR provides functional equivalence but uses a 24-SSOP package with different pitch (0.209" versus 0.173"), requiring PCB layout redesign. This option is suitable only when PCB modification is feasible.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory standing. The Texas Instruments substitutes operate across a wider voltage supply range (1.65V ~ 3.6V), providing enhanced compatibility with lower-voltage system designs compared to the original NXP specification (2.7V ~ 3.6V).

Temperature Operating Range: The original part supports extended temperature operation to 125°C, while all Texas Instruments substitutes are rated to 85°C. Applications requiring operation above 85°C require design review to confirm compatibility with the reduced temperature specification.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC841APWR directly replace 74LVC841APW,112 without PCB modification?

A: Yes. SN74LVC841APWR maintains identical 24-TSSOP package dimensions (0.173", 4.40mm Width) and pin configuration, enabling direct PCB footprint compatibility without layout changes.

Q: What is the difference between SN74LVC841APWR and SN74LVC841APW?

A: Both parts are functionally and electrically identical. The primary difference is packaging format: SN74LVC841APWR is supplied in Tape & Reel (TR) configuration for automated assembly, while SN74LVC841APW is supplied in Tube format for manual handling. Selection depends on manufacturing process requirements.

Q: Why does SN74LVC841ADBR require PCB modification?

A: SN74LVC841ADBR uses a 24-SSOP package with 0.209" width versus the 0.173" width of the 24-TSSOP package. The different pitch and footprint dimensions necessitate PCB layout redesign to accommodate the alternate package geometry.

Q: Are the propagation delay differences between the original and substitutes significant?

A: The original 74LVC841APW,112 specifies 1.5ns propagation delay, while Texas Instruments substitutes specify 2.7ns. This 1.2ns difference must be evaluated against system timing requirements. Applications with tight timing constraints may require design verification.

Q: What is the impact of the reduced operating temperature range in the substitutes?

A: Texas Instruments substitutes are rated to 85°C maximum operating temperature, compared to 125°C for the original NXP part. Applications requiring sustained operation above 85°C require thermal analysis and design confirmation to ensure the substitute meets performance requirements.

Q: Are all substitute parts RoHS and REACH compliant?

A: Yes. All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory compliance of the original 74LVC841APW,112.