74LVC374AD,112 Equivalent & Substitute Parts

Part Overview

The 74LVC374AD,112 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 currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and system maintenance.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC374AD,112
Manufacturer	Nexperia USA Inc.
Category	Logic
Series	74LVC
Type	D-Type Flip Flop
Number of Elements	1
Number of Bits per Element	8
Output Type	Tri-State, Non-Inverted
Package / Case	20-SOIC (0.295", 7.50mm Width)
Voltage - Supply	1.65V ~ 3.6V
Clock Frequency	150 MHz
Max Propagation Delay @ 3.3V, 50pF	7ns
Current - Output High, Low	24mA, 24mA
Operating Temperature	-40°C ~ 125°C (TA)
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 74LVC374AD,112 are grouped based on the following critical parameters that determine functional and mechanical compatibility:

Primary Compatibility Criteria:

Package type: 20-SOIC (0.295", 7.50mm Width)
Function: D-Type flip-flop, 8-bit, single element
Output configuration: Tri-state, non-inverted
Trigger type: Positive edge
Supply voltage range: Minimum 1.65V to 3.6V
Current output capability: 24mA high and low
Quiescent current: 10 µA

Substitution Categories:

Direct Substitutes (Pin-Compatible, Functional Equivalents):

SN74LVC374ADWR (Texas Instruments, 74LVC series)
SN74LVC374ADW (Texas Instruments, 74LVC series)

Automotive-Grade Substitute (Enhanced Reliability):

CLVC374AQDWRG4Q1 (Texas Instruments, AEC-Q100 qualified)

Parametric Equivalent (Different Series, Compatible Performance):

MC74LCX374DWR2G (onsemi, 74LCX series)

Functional Equivalent (Different Base Number, Same Function):

SN74LVC574ADW (Texas Instruments, 74LVC series, alternative latch configuration)

Parameter Comparison

Parameter	74LVC374AD,112	SN74LVC374ADWR	SN74LVC374ADW	CLVC374AQDWRG4Q1	MC74LCX374DWR2G	SN74LVC574ADW
Manufacturer	Nexperia USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	onsemi	Texas Instruments
Series	74LVC	74LVC	74LVC	74LVC	74LCX	74LVC
Product Status	Obsolete	Active	Active	Active	Active	Active
Package / Case	20-SOIC	20-SOIC	20-SOIC	20-SOIC	20-SOIC	20-SOIC
Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type
Number of Bits per Element	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
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	2V ~ 3.6V	2V ~ 3.6V	1.65V ~ 3.6V
Clock Frequency	150 MHz	100 MHz	100 MHz	100 MHz	150 MHz	150 MHz
Max Propagation Delay @ 3.3V, 50pF	7ns	7ns	7ns	8.5ns	8.5ns	6.8ns
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Current - Quiescent (Iq)	10 µA	10 µA	10 µA	10 µA	10 µA	10 µA
Operating Temperature	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)
Packaging Option	Not specified	Tape & Reel (TR)	Tube	Tape & Reel (TR)	Cut Tape (CT)	Tube

Engineering Selection Recommendations

For Direct Replacement (Pin-Compatible, No Design Changes Required):

SN74LVC374ADWR and SN74LVC374ADW are the primary substitutes. Both are active products from Texas Instruments in the 74LVC series with identical pin configuration and functional characteristics. SN74LVC374ADWR is supplied in tape and reel packaging, while SN74LVC374ADW is supplied in tube packaging. Both maintain the 1.65V to 3.6V supply voltage range and 7ns propagation delay of the original part. Operating temperature range is limited to -40°C to 85°C, which is narrower than the original part's -40°C to 125°C range.

For Automotive Applications:

CLVC374AQDWRG4Q1 is qualified to AEC-Q100 automotive standards and is recommended for applications requiring automotive-grade reliability. This part maintains the extended operating temperature range of -40°C to 125°C and is supplied in tape and reel packaging. The propagation delay is 8.5ns at 3.3V, which is within acceptable tolerance for most applications. The minimum supply voltage is 2V instead of 1.65V.

For High-Performance Applications:

SN74LVC574ADW offers superior propagation delay performance at 6.8ns and maintains the full operating temperature range of -40°C to 125°C. This part uses a different latch configuration (74LVC574 vs. 74LVC374) but maintains functional equivalence for 8-bit D-type flip-flop operation. It is supplied in tube packaging.

For Cross-Manufacturer Compatibility:

MC74LCX374DWR2G from onsemi provides an alternative from a different manufacturer while maintaining the 74LCX series compatibility. This part operates at 150 MHz clock frequency and 8.5ns propagation delay. Moisture sensitivity level is MSL 3 (168 hours), which requires controlled storage conditions compared to MSL 1 of other substitutes. Operating temperature range is -40°C to 85°C.

All substitute parts are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original part.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVC374ADW as a direct replacement for 74LVC374AD,112?

A: Yes. SN74LVC374ADW is pin-compatible and functionally equivalent. Both are 8-bit D-type flip-flops in 20-SOIC packaging with tri-state, non-inverted outputs. The primary difference is the operating temperature range: SN74LVC374ADW operates from -40°C to 85°C, while the original operates to 125°C. If your application requires operation above 85°C, use CLVC374AQDWRG4Q1 or SN74LVC574ADW instead.

Q: What is the difference between 74LVC374 and 74LVC574?

A: Both are 8-bit D-type flip-flops in identical 20-SOIC packaging with the same electrical characteristics. The functional difference lies in the latch configuration and timing behavior. SN74LVC574ADW is listed as a parametric equivalent, meaning it performs the same function but with different internal architecture. Consult device datasheets for specific timing and control signal differences if switching between these base numbers.

Q: Why does MC74LCX374DWR2G have MSL 3 instead of MSL 1?

A: Moisture sensitivity level (MSL) indicates the maximum time a component can be exposed to ambient conditions before soldering. MSL 3 (168 hours) requires more controlled storage and handling compared to MSL 1 (unlimited). If your supply chain or manufacturing process cannot accommodate MSL 3 requirements, select a substitute with MSL 1 such as SN74LVC374ADWR or CLVC374AQDWRG4Q1.

Q: Is CLVC374AQDWRG4Q1 suitable for non-automotive applications?

A: Yes. CLVC374AQDWRG4Q1 is AEC-Q100 qualified, meaning it meets automotive reliability standards. This qualification does not restrict its use in non-automotive applications. It is a valid substitute for any application requiring the extended -40°C to 125°C operating temperature range and automotive-grade reliability.

Q: What packaging options are available for substitutes?

A: Substitutes are available in three packaging formats: Tape & Reel (TR) for high-volume automated assembly, Tube for lower-volume or manual assembly, and Cut Tape (CT) for intermediate volumes. Select based on your manufacturing process and order quantities. All maintain the same 20-SOIC physical package.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitutes are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original 74LVC374AD,112 part.

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