SN74LVC374AQPWREP Equivalent & Substitute Parts

Part Overview

The SN74LVC374AQPWREP is an active-status D-type flip-flop logic integrated circuit manufactured by Texas Instruments. This single-element, 8-bit positive edge-triggered flip-flop operates across a 2V to 3.6V supply range with tri-state, non-inverted outputs. The device is housed in a 20-TSSOP surface mount package and is ROHS3 compliant with unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching functional specifications, electrical parameters, and package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Type	D-Type Flip-Flop
Number of Elements	1
Number of Bits per Element	8
Output Type	Tri-State, Non-Inverted
Trigger Type	Positive Edge
Clock Frequency	100 MHz
Max Propagation Delay @ 3.3V, 50pF	8.5 ns
Voltage Supply Range	2V ~ 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)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC374AQPWREP are qualified based on the following critical parameters:

Functional Type: D-type flip-flop with 1 element, 8 bits per element, positive edge trigger
Output Configuration: Tri-state, non-inverted outputs
Package Compatibility: 20-TSSOP surface mount package (0.173", 4.40mm width)
Electrical Compatibility: Supply voltage range, output drive capability (24 mA), quiescent current, and input capacitance
Compliance: ROHS3 compliance and MSL rating

Substitutes are grouped into two categories: parametric equivalents (identical electrical specifications) and manufacturer-recommended alternatives (enhanced or equivalent performance within the same functional class).

Parameter Comparison

Parameter	SN74LVC374AQPWREP (TI)	CLVC374AQPWRG4Q1 (TI)	74LVC374APW,118 (Nexperia)	MC74LCX374DTR2G (onsemi)
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	onsemi
Type	D-Type	D-Type	D-Type	D-Type
Elements / Bits	1 / 8	1 / 8	1 / 8	1 / 8
Output Type	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted
Clock Frequency	100 MHz	100 MHz	150 MHz	150 MHz
Max Propagation Delay @ 3.3V, 50pF	8.5 ns	8.5 ns	7 ns	8.5 ns
Voltage Supply Range	2V ~ 3.6V	2V ~ 3.6V	1.65V ~ 3.6V	2V ~ 3.6V
Output Current (High/Low)	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA	24 mA / 24 mA
Quiescent Current	10 µA	10 µA	10 µA	10 µA
Input Capacitance	4 pF	4 pF	4 pF	7 pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C
Package	20-TSSOP	20-TSSOP	20-TSSOP	20-TSSOP
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

CLVC374AQPWRG4Q1 (Texas Instruments): This part is a parametric equivalent to the SN74LVC374AQPWREP with identical electrical specifications. The primary distinction is automotive-grade qualification (AEC-Q100), making it suitable for applications requiring automotive compliance. Both parts maintain the same supply voltage range, propagation delay, and output characteristics. Selection of this substitute is appropriate when automotive qualification is a design requirement.

74LVC374APW,118 (Nexperia USA Inc.): This manufacturer-recommended alternative offers enhanced performance with a 150 MHz clock frequency (versus 100 MHz) and reduced propagation delay of 7 ns at 3.3V and 50pF load. The supply voltage range extends to 1.65V minimum, providing broader low-voltage operation capability. This part is suitable for designs requiring higher speed performance or lower minimum supply voltage operation while maintaining full functional compatibility.

MC74LCX374DTR2G (onsemi): This substitute operates at 150 MHz clock frequency with equivalent propagation delay specifications. The operating temperature range is limited to -40°C to 85°C (versus 125°C maximum for the primary part), and input capacitance is specified at 7 pF. This part is suitable for applications within the reduced temperature range where the enhanced clock frequency is beneficial. Packaging format is Cut Tape (CT) rather than Tape & Reel (TR).

All substitute parts maintain ROHS3 compliance, MSL rating of 1 (unlimited), and active product status, ensuring long-term availability and regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can CLVC374AQPWRG4Q1 be used as a direct replacement for SN74LVC374AQPWREP?

A: Yes. The CLVC374AQPWRG4Q1 is a parametric equivalent with identical electrical specifications, package, and pin configuration. The automotive-grade qualification (AEC-Q100) is an additional feature that does not affect functional compatibility in non-automotive applications.

Q: What is the primary advantage of 74LVC374APW,118 over the original part?

A: The 74LVC374APW,118 offers two performance enhancements: increased clock frequency (150 MHz versus 100 MHz) and reduced propagation delay (7 ns versus 8.5 ns at 3.3V, 50pF). Additionally, the minimum supply voltage is 1.65V, enabling operation in lower-voltage systems compared to the 2V minimum of the SN74LVC374AQPWREP.

Q: Are there any limitations when using MC74LCX374DTR2G as a substitute?

A: The MC74LCX374DTR2G has two operational constraints: the maximum operating temperature is 85°C (versus 125°C for the primary part), and input capacitance is 7 pF (versus 4 pF). These specifications must be evaluated against application requirements. Additionally, this part is supplied in Cut Tape (CT) format rather than Tape & Reel (TR).

Q: Do all substitute parts use the same 20-TSSOP package?

A: Yes. All substitute parts use the 20-TSSOP (0.173", 4.40mm width) surface mount package, ensuring mechanical and electrical pin compatibility with the SN74LVC374AQPWREP.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating 1 (unlimited), meeting the same environmental and regulatory standards as the primary part.

Q: Which substitute should be selected for automotive applications?

A: The CLVC374AQPWRG4Q1 is qualified to AEC-Q100 automotive standards and is the appropriate selection for automotive-grade designs.

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