74LVC374ADTR2G Equivalent & Substitute Parts

Part Overview

The 74LVC374ADTR2G is a D-type flip-flop logic integrated circuit manufactured by onsemi, featuring 1 element with 8-bit parallel data storage capability. This component operates as a standard positive-edge-triggered flip-flop with tri-state, non-inverted outputs in a 20-TSSOP surface mount package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

74LVC374ADTR2G

onsemiIn Stock: 97274LVC374ADTR2G Datasheet

Current PartRFQ

MC74LCX374DTR2G

onsemiIn Stock: 8123MC74LCX374DTR2G Datasheet

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74LVC374APW-Q100J

Nexperia USA Inc.In Stock: 92274LVC374APW-Q100J Datasheet

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74LVC374APW/AUJ

NXP USA Inc.In Stock: 110974LVC374APW/AUJ Datasheet

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SN74LVC374ADBR

Texas InstrumentsIn Stock: 3879SN74LVC374ADBR Datasheet

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SN74LVC374APW

Texas InstrumentsIn Stock: 3799SN74LVC374APW Datasheet

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SN74LVC374APWRG4

Texas InstrumentsIn Stock: 3830SN74LVC374APWRG4 Datasheet

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SN74LVC374APWT

Texas InstrumentsIn Stock: 1731SN74LVC374APWT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74LVC374ADTR2G is determined by the following critical parameters:

Functional Equivalence Requirements:

• D-Type flip-flop architecture with 1 element and 8-bit configuration
• Positive edge trigger mechanism
• Tri-state, non-inverted output configuration

Electrical Compatibility Parameters:

• Voltage supply range must encompass or match 1.65V ~ 3.6V
• Clock frequency capability of 150 MHz or higher
• Propagation delay at 3.3V, 50pF load of 7 ns or lower
• Output drive capability of 24 mA minimum (both high and low)
• Quiescent current of 10 µA or lower

Physical and Environmental Parameters:

• 20-TSSOP or 20-SSOP package format (both 0.173" or 0.209" width variants acceptable)
• Surface mount technology
• Operating temperature range of -40°C minimum to 85°C or higher
• RoHS3 compliance
• MSL rating of 1 (Unlimited)

Substitute parts meeting these criteria are functionally and electrically interchangeable within the specified design constraints.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

SN74LVC374APWT and SN74LVC374APW from Texas Instruments are the preferred substitutes. Both maintain full electrical compatibility with the 74LVC374ADTR2G, including the 1.65V ~ 3.6V supply range, 7 ns propagation delay at 3.3V, and 20-TSSOP package format. Both parts are currently active in production and carry ROHS3 compliance with MSL 1 rating.

74LVC374APW-Q100J from Nexperia USA Inc. provides an automotive-qualified alternative with AEC-Q100 certification. This part matches all critical electrical parameters and operates across the full -40°C ~ 125°C temperature range, making it suitable for applications requiring automotive-grade components.

74LVC374APW/AUJ from NXP USA Inc. offers equivalent electrical performance and maintains the extended temperature range of -40°C ~ 125°C. This part is actively produced and meets all RoHS3 and MSL requirements.

Secondary Substitute (Limited Availability):

MC74LCX374DTR2G from onsemi is functionally equivalent but operates within a narrower voltage supply range (2V ~ 3.6V) and exhibits slightly higher propagation delay (8.5 ns at 3.3V, 50pF). This part is suitable only for applications where the minimum supply voltage does not fall below 2V.

Package Consideration:

SN74LVC374ADBR from Texas Instruments uses a 20-SSOP package (0.209", 5.30mm width) instead of the 20-TSSOP format. While electrically compatible, this package variant requires PCB layout modification and is not a direct mechanical substitute.

Discontinued Part:

SN74LVC374APWRG4 is listed as discontinued at DiGi Electronics and should not be selected for new designs despite active inventory availability.

Frequently Asked Questions (FAQ)

Q: Can MC74LCX374DTR2G replace 74LVC374ADTR2G in all applications?

A: MC74LCX374DTR2G is functionally equivalent but operates only within 2V ~ 3.6V supply range, compared to the 1.65V ~ 3.6V range of the 74LVC374ADTR2G. It is suitable only for applications where minimum supply voltage remains at or above 2V. Additionally, its propagation delay is 8.5 ns versus 7 ns, which may impact timing-critical designs.

Q: What is the difference between 20-TSSOP and 20-SSOP packages?

A: Both are 20-pin surface mount packages but differ in physical dimensions. 20-TSSOP measures 0.173" (4.40mm) in width, while 20-SSOP measures 0.209" (5.30mm) in width. These are not mechanically interchangeable without PCB redesign. SN74LVC374ADBR uses the wider 20-SSOP format.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of the 74LVC374ADTR2G.

Q: Which substitute offers the best long-term availability?

A: SN74LVC374APWT and SN74LVC374APW from Texas Instruments are currently active in production with no discontinuation notices. These parts provide the most reliable long-term sourcing options for new designs.

Q: Does 74LVC374APW-Q100J provide additional benefits for automotive applications?

A: 74LVC374APW-Q100J carries AEC-Q100 automotive qualification, making it suitable for automotive-grade designs. It maintains full electrical compatibility with the 74LVC374ADTR2G and operates across the extended -40°C ~ 125°C temperature range.

Q: Can I use parts with lower clock frequency ratings as substitutes?

A: SN74LVC374ADBR, SN74LVC374APW, SN74LVC374APWRG4, and SN74LVC374APWT are rated for 100 MHz clock frequency, compared to 150 MHz for the 74LVC374ADTR2G. These parts are suitable only for applications operating at or below 100 MHz. For designs requiring 150 MHz operation, use 74LVC374APW-Q100J, 74LVC374APW/AUJ, or MC74LCX374DTR2G.