74LVC374APW-Q100J Equivalent & Substitute Parts

Part Overview

The 74LVC374APW-Q100J is a D-type flip-flop logic integrated circuit manufactured by Nexperia USA Inc., designed for 8-bit data storage and transfer applications. This device features tri-state, non-inverted outputs and operates across a supply voltage range of 1.65V to 3.6V. The part is classified as Active status and carries AEC-Q100 automotive qualification, making it suitable for automotive and industrial applications requiring reliable digital logic functions.

Substitute parts are necessary when the primary part becomes unavailable due to inventory constraints, discontinuation, or when alternative manufacturers' equivalents offer improved availability or performance characteristics while maintaining functional compatibility.

Key Parameters

Parameter	Value
Part Number	74LVC374APW-Q100J
Manufacturer	Nexperia USA Inc.
Category	Logic
Type	D-Type Flip-Flop
Number of Bits per Element	8
Output Type	Tri-State, Non-Inverted
Clock Frequency	150 MHz
Max Propagation Delay @ 3.3V, 50pF	7 ns
Voltage Supply Range	1.65V ~ 3.6V
Current Output High/Low	24 mA / 24 mA
Quiescent Current (Iq)	10 µA
Input Capacitance	4 pF
Operating Temperature	-40°C ~ 125°C
Package	20-TSSOP (0.173", 4.40mm Width)
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74LVC374APW-Q100J is determined by the following critical parameters:

Primary Substitution Criteria:

D-Type flip-flop architecture with 8-bit configuration
Tri-state, non-inverted output configuration
Package compatibility: 20-TSSOP or mechanically equivalent packages
Voltage supply range: minimum 1.65V to 3.6V overlap
Operating temperature range: minimum -40°C to 85°C
Propagation delay: maximum 8.5 ns at 3.3V, 50pF load
Clock frequency: minimum 100 MHz
Output current capability: 24 mA minimum for both high and low states
Quiescent current: 10 µA maximum
RoHS3 compliance and MSL Level 1 rating

Substitution Categories:

Parametric equivalents maintain identical electrical specifications and package form factors, offering direct pin-for-pin replacement capability. Similar parts meet functional requirements with minor parameter variations that do not affect circuit operation within specified design margins. Parts with different package geometries (20-SSOP vs. 20-TSSOP) require PCB layout modification but maintain electrical compatibility.

Parameter Comparison

Parameter	74LVC374APW-Q100J	74LVC374APW,118	CLVC374AQPWRG4Q1	MC74LCX374DTR2G	SN74LVC374ADBR	SN74LVC374APWRG4	SN74LVC374APWT	SN74LVC574APWR	SN74LVC574APWT
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Texas Instruments	onsemi	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type
Number of Bits	8	8	8	8	8	8	8	8	8
Output Type	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted
Clock Frequency	150 MHz	150 MHz	100 MHz	150 MHz	100 MHz	100 MHz	100 MHz	150 MHz	150 MHz
Max Propagation Delay @ 3.3V, 50pF	7 ns	7 ns	8.5 ns	8.5 ns	7 ns	7 ns	7 ns	6.8 ns	6.8 ns
Voltage Supply Range	1.65V ~ 3.6V	1.65V ~ 3.6V	2V ~ 3.6V	2V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Current Output High/Low	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA
Quiescent Current (Iq)	10 µA	10 µA	10 µA	10 µA	10 µA	10 µA	10 µA	10 µA	10 µA
Input Capacitance	4 pF	4 pF	4 pF	7 pF	4 pF	4 pF	4 pF	4 pF	4 pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Package	20-TSSOP (0.173", 4.40mm)	20-TSSOP (0.173", 4.40mm)	20-TSSOP (0.173", 4.40mm)	20-TSSOP (0.173", 4.40mm)	20-SSOP (0.209", 5.30mm)	20-TSSOP (0.173", 4.40mm)	20-TSSOP (0.173", 4.40mm)	20-TSSOP (0.173", 4.40mm)	20-TSSOP (0.173", 4.40mm)
Grade	Automotive	Standard	Automotive	Standard	Standard	Standard	Standard	Standard	Standard
AEC-Q100	Yes	No	Yes	No	No	No	No	No	No
Product Status	Active	Active	Active	Active	Active	Discontinued at DiGi Electronics	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Tier 1 - Direct Parametric Equivalents (Recommended for Primary Substitution):

74LVC374APW,118 (Nexperia USA Inc.) and SN74LVC574APWR / SN74LVC574APWT (Texas Instruments) are parametric equivalents maintaining identical electrical specifications and 20-TSSOP package geometry. These parts support the full operating temperature range of -40°C to 125°C and deliver 150 MHz clock frequency with 6.8-7 ns propagation delay. Both maintain 1.65V to 3.6V supply voltage compatibility and are ROHS3 compliant with MSL Level 1 rating.

Tier 2 - Functional Equivalents with Minor Parameter Variations:

CLVC374AQPWRG4Q1 (Texas Instruments) and SN74LVC374APWT (Texas Instruments) operate at 100 MHz clock frequency with 7 ns propagation delay, meeting functional requirements within acceptable design margins. CLVC374AQPWRG4Q1 carries AEC-Q100 automotive qualification matching the primary part's grade. Both maintain 20-TSSOP package compatibility and support -40°C to 125°C or -40°C to 85°C operating ranges.

Tier 3 - Package-Modified Equivalents:

SN74LVC374ADBR (Texas Instruments) provides electrical compatibility with 7 ns propagation delay and 100 MHz clock frequency but uses 20-SSOP package (0.209", 5.30mm width) instead of 20-TSSOP. This substitution requires PCB layout modification and is suitable only when package footprint constraints permit redesign.

Tier 4 - Limited Availability:

SN74LVC374APWRG4 (Texas Instruments) is discontinued at DiGi Electronics and should be avoided for new designs despite meeting electrical specifications.

Automotive Applications:

For designs requiring AEC-Q100 qualification, select 74LVC374APW-Q100J (primary), 74LVC374APW,118 (Nexperia), or CLVC374AQPWRG4Q1 (Texas Instruments). These parts maintain automotive-grade status and full temperature range support.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC574APWR replace 74LVC374APW-Q100J directly?

A: SN74LVC574APWR is a parametric equivalent with identical electrical specifications and 20-TSSOP package geometry. The primary functional difference is the output latch configuration (74LVC574 vs. 74LVC374), which affects data capture timing. Pin-for-pin compatibility exists, but circuit operation must be verified against specific timing requirements.

Q: What is the difference between 74LVC374APW,118 and 74LVC374APW-Q100J?

A: 74LVC374APW,118 is a parametric equivalent from Nexperia USA Inc. with identical electrical specifications, clock frequency, propagation delay, and package form factor. The primary difference is the absence of AEC-Q100 automotive qualification on the ,118 variant. For non-automotive applications, both parts are functionally interchangeable.

Q: Can MC74LCX374DTR2G be used as a substitute?

A: MC74LCX374DTR2G (onsemi) meets functional requirements with 150 MHz clock frequency and 8.5 ns propagation delay. However, it operates only to -40°C to 85°C (not 125°C), has 7 pF input capacitance (vs. 4 pF), and lacks automotive qualification. Substitution is acceptable for commercial-grade applications within the reduced temperature range.

Q: Why does SN74LVC374ADBR require PCB modification?

A: SN74LVC374ADBR uses 20-SSOP package (0.209", 5.30mm width) versus the primary part's 20-TSSOP package (0.173", 4.40mm width). The different package geometry requires new PCB footprint design and layout routing. Electrical specifications remain compatible.

Q: Is CLVC374AQPWRG4Q1 suitable for automotive applications?

A: CLVC374AQPWRG4Q1 carries AEC-Q100 automotive qualification and operates across -40°C to 125°C. It meets automotive-grade requirements but operates at 100 MHz clock frequency (vs. 150 MHz primary part) with 8.5 ns propagation delay. Substitution is valid for automotive designs where 100 MHz performance is acceptable.

Q: What does MSL Level 1 rating mean for these parts?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. All listed substitute parts carry MSL Level 1 rating, eliminating moisture-related handling constraints during assembly and storage.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts maintain ROHS3 compliance, meeting environmental and hazardous substance restrictions for commercial and industrial applications.

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