74ABT374APW Equivalent & Substitute Parts

Part Overview

The 74ABT374APW is a D-type flip-flop logic integrated circuit manufactured by NXP Semiconductors, designed for 8-bit parallel data storage and transfer applications. This component features tri-state, non-inverted outputs and operates across a 4.5V to 5.5V supply voltage range with positive edge triggering. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, maintenance, and new design implementations where legacy compatibility is required.

Substiute Parts

74ABT374APW,112

NXP SemiconductorsIn Stock: 86974ABT374APW,112 Datasheet

Current PartRFQ

SN74ABT374APW

Texas InstrumentsIn Stock: 1368SN74ABT374APW Datasheet

MFR RecommendedRFQ

SN74ABT374APWR

Texas InstrumentsIn Stock: 2816SN74ABT374APWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74ABT374APW are identified based on strict electrical and mechanical compatibility criteria. The following parameters define acceptable substitution:

Critical Matching Parameters:

• Base product number: 74ABT374
• Package type: 20-TSSOP (0.173", 4.40mm Width)
• Function: D-Type flip-flop, 1 element, 8-bit
• Output configuration: Tri-state, non-inverted
• Trigger mechanism: Positive edge
• Supply voltage range: 4.5V ~ 5.5V
• Operating temperature range: -40°C ~ 85°C
• Mounting type: Surface mount

Acceptable Parameter Variations:

• Clock frequency: Substitute parts may operate at lower maximum frequencies (200 MHz vs. 300 MHz) while maintaining functional compatibility
• Propagation delay: Substitute parts may exhibit longer propagation delays (6.6 ns vs. 4.9 ns) within acceptable logic timing margins
• Input capacitance: Minor variations (4.6 pF vs. 4 pF) do not affect circuit compatibility
• Packaging format: Tube or Tape & Reel (TR) packaging variants are functionally equivalent to the original part

All substitute parts maintain identical electrical specifications for supply voltage, output current ratings, quiescent current, and temperature range, ensuring direct functional replacement in existing designs.

Parameter Comparison

Engineering Selection Recommendations

The 74ABT374APW is obsolete, necessitating substitution with active product alternatives. Both Texas Instruments SN74ABT374APW and SN74ABT374APWR are manufacturer-recommended equivalents with active product status, ensuring long-term availability and supply chain continuity.

SN74ABT374APW (Tube Packaging): Suitable for lower-volume applications, prototype development, and component replacement scenarios where individual unit procurement is required.

SN74ABT374APWR (Tape & Reel Packaging): Appropriate for production-volume manufacturing, automated assembly processes, and high-quantity procurement where tape and reel format provides handling and placement efficiency.

Both substitute parts maintain full electrical compatibility with the original 74ABT374APW design. The reduced clock frequency (200 MHz vs. 300 MHz) and increased propagation delay (6.6 ns vs. 4.9 ns) in the Texas Instruments alternatives remain within acceptable operating margins for standard logic applications. All parts comply with ROHS3 and maintain identical supply voltage, output current, and temperature specifications.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT374APW and SN74ABT374APWR be used interchangeably with 74ABT374APW?

A: Yes. Both Texas Instruments parts are functionally equivalent to the NXP 74ABT374APW. The primary difference is packaging format: SN74ABT374APW uses tube packaging for individual component distribution, while SN74ABT374APWR uses tape and reel format for automated assembly. Electrical performance and pinout are identical.

Q: What is the difference between tube and tape & reel packaging?

A: Tube packaging supplies individual components in a plastic tube, suitable for manual handling and low-volume applications. Tape & reel packaging places components on a continuous carrier tape wound on a reel, optimized for automated pick-and-place assembly equipment in production environments. Both formats contain the same component with identical electrical specifications.

Q: Are there performance differences between the NXP and Texas Instruments versions?

A: The Texas Instruments SN74ABT374APW and SN74ABT374APWR operate at a lower maximum clock frequency (200 MHz vs. 300 MHz) and exhibit longer propagation delay (6.6 ns vs. 4.9 ns). These differences do not affect functional compatibility in standard logic applications where the original 300 MHz specification was not a critical design requirement.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. The NXP 74ABT374APW and both Texas Instruments alternatives (SN74ABT374APW and SN74ABT374APWR) are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings. All parts are suitable for equivalent applications.

Q: Which substitute should I select for new designs?

A: For new designs, either Texas Instruments part is appropriate. Select SN74ABT374APWR (tape & reel) for production volumes to leverage automated assembly capabilities. Select SN74ABT374APW (tube) for prototyping, low-volume production, or component replacement where individual unit procurement is more practical.

Q: Is the 20-TSSOP package footprint identical across all three parts?

A: Yes. All three parts use the 20-TSSOP (0.173", 4.40mm Width) package with identical pinout and PCB footprint, enabling direct physical replacement without layout modifications.