74LVTH574PW,112 Equivalent & Substitute Parts

Part Overview

The 74LVTH574PW,112 is a D-type flip-flop logic integrated circuit manufactured by NXP USA Inc., designed for 8-bit data storage and transfer applications. This device features positive edge triggering, tri-state non-inverted outputs, and operates across a 2.7V to 3.6V supply voltage range. The part is currently classified as obsolete, making equivalent and substitute components necessary for ongoing design support, production continuity, and system maintenance.

Substiute Parts

74LVTH574PW,112

NXP USA Inc.In Stock: 113874LVTH574PW,112 Datasheet

Current PartRFQ

SN74LVT574PWR

Texas InstrumentsIn Stock: 2806SN74LVT574PWR Datasheet

DirectRFQ

74LVT574MTCX

onsemiIn Stock: 214174LVT574MTCX Datasheet

MFR RecommendedRFQ

74LVTH574MTCX

onsemiIn Stock: 421274LVTH574MTCX Datasheet

MFR RecommendedRFQ

SN74LVTH574IPWREP

Texas InstrumentsIn Stock: 691SN74LVTH574IPWREP Datasheet

MFR RecommendedRFQ

SN74LVTH574PW

Texas InstrumentsIn Stock: 956SN74LVTH574PW Datasheet

MFR RecommendedRFQ

SN74LVTH574PWR

Texas InstrumentsIn Stock: 5447SN74LVTH574PWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74LVTH574PW,112 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Substitution Parameters:

• D-Type flip-flop architecture with 1 element, 8 bits per element
• Positive edge trigger configuration
• Tri-state, non-inverted output type
• 150 MHz clock frequency capability
• 2.7V to 3.6V supply voltage range
• 20-TSSOP surface mount package (0.173", 4.40mm Width)
• Operating temperature range -40°C to 85°C
• ROHS3 compliance and MSL 1 rating

Acceptable Variation Parameters:

• Propagation delay: 4.5 ns to 6.6 ns @ 3.3V, 50pF (all substitutes meet or exceed performance)
• Input capacitance: 3 pF to 4 pF (minor variation acceptable)
• Packaging format: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, or Tube
• Product status: Active or Last Time Buy (preferred over obsolete)
• Manufacturer: NXP USA Inc., Texas Instruments, or onsemi

All substitute parts listed maintain identical functional specifications, electrical characteristics, and physical package dimensions, ensuring direct compatibility in existing designs.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SN74LVTH574PWR (Texas Instruments)

The SN74LVTH574PWR is the preferred substitute for the obsolete 74LVTH574PW,112. This part maintains active product status with Texas Instruments, ensuring long-term availability and supply chain stability. It is supplied in Tape & Reel (TR) format with 5400 units in stock, providing immediate procurement capability. The device is ROHS3 compliant and carries MSL 1 rating, matching all regulatory and environmental requirements of the original part.

Secondary Recommendation: SN74LVTH574IPWREP (Texas Instruments)

The SN74LVTH574IPWREP offers superior propagation delay performance (4.5 ns versus 5.9 ns) while maintaining active product status. This part is suitable for applications requiring enhanced timing margins. It is available in Tape & Reel format with 616 units in stock and meets all compliance certifications.

Alternative Recommendation: 74LVTH574MTCX (onsemi)

The 74LVTH574MTCX provides equivalent electrical performance with 4.6 ns propagation delay and the highest inventory availability (4133 units). Although classified as Last Time Buy, this part remains suitable for new designs requiring extended component life. It is supplied in Cut Tape (CT) & Digi-Reel® format and maintains full ROHS3 and MSL 1 compliance.

Consideration: SN74LVT574PWR (Texas Instruments)

The SN74LVT574PWR operates within the 74LVT series rather than 74LVTH, with marginally higher propagation delay (6.6 ns). This part is active with 2730 units in stock and represents a cost-effective alternative where timing margins permit. Full electrical and package compatibility is maintained.

All recommended substitutes are electrically and mechanically interchangeable with the 74LVTH574PW,112 within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVT574PWR as a direct replacement for 74LVTH574PW,112?

A: Yes. The SN74LVT574PWR is electrically and mechanically compatible. Both devices share identical package dimensions (20-TSSOP), supply voltage range (2.7V to 3.6V), output drive capability (32mA/64mA), and operating temperature range (-40°C to 85°C). The propagation delay difference (6.6 ns versus 5.9 ns) is within acceptable tolerance for most applications operating at 150 MHz or below.

Q: What is the difference between 74LVTH and 74LVT series parts?

A: Both series are low-voltage CMOS logic families with identical functional specifications for this 8-bit D-type flip-flop. The 74LVTH series represents a later generation with improved propagation delay characteristics (4.5 ns to 4.6 ns) compared to the 74LVT series (6.6 ns). All parts maintain the same supply voltage range, output drive capability, and package format.

Q: Are all substitute parts available in the same package format?

A: The substitute parts are available in three packaging formats: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube. All maintain the identical 20-TSSOP physical package (0.173", 4.40mm Width) suitable for surface mount assembly. Packaging format selection depends on production volume and assembly equipment compatibility.

Q: Which substitute part has the best propagation delay performance?

A: The SN74LVTH574IPWREP and SN74LVTH574PW both deliver 4.5 ns propagation delay at 3.3V with 50pF load, representing the fastest available options. The 74LVT574MTCX and 74LVTH574MTCX follow with 4.6 ns performance. All exceed the original 74LVTH574PW,112 specification of 5.9 ns.

Q: Is RoHS and MSL compliance maintained across all substitutes?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) rating, matching the original 74LVTH574PW,112 specifications. This ensures compatibility with modern manufacturing processes and long-term storage requirements.

Q: What is the inventory status of each substitute?

A: SN74LVTH574PWR (5400 units), 74LVTH574MTCX (4133 units), SN74LVT574PWR (2730 units), SN74LVTH574PW (869 units), and SN74LVTH574IPWREP (616 units) are all available as new original stock. Inventory levels support both immediate procurement and long-term production planning.