74LVC273BQ,115 Equivalent & Substitute Parts

Part Overview

The 74LVC273BQ,115 is an 8-bit D-type flip-flop logic integrated circuit manufactured by Nexperia USA Inc. in a 20-pin VFQFN package with exposed pad. This device functions as a master reset flip-flop with non-inverted outputs, operating across a supply voltage range of 1.65V to 3.6V and supporting clock frequencies up to 230 MHz. The part is actively produced and RoHS3 compliant, making it suitable for modern digital logic applications requiring edge-triggered data capture and storage. Equivalent and substitute parts are identified based on matching functional specifications, electrical performance parameters, and package compatibility.

Substiute Parts

74LVC273BQ,115

Nexperia USA Inc.In Stock: 188274LVC273BQ,115 Datasheet

Current PartRFQ

74LVC273BQ-Q100X

Nexperia USA Inc.In Stock: 385674LVC273BQ-Q100X Datasheet

Parametric EquivalentRFQ

74LVC273AQ20-13

Diodes IncorporatedIn Stock: 76374LVC273AQ20-13 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74LVC273BQ,115 are identified based on strict equivalence of core electrical and functional parameters. The substitution logic is based on the following critical parameters:

• Functional equivalence: D-Type flip-flop with 8-bit configuration, master reset function, and non-inverted outputs
• Electrical performance: Clock frequency of 230 MHz, propagation delay specifications, output drive capability (24 mA), and supply voltage range (1.65V ~ 3.6V)
• Package compatibility: 20-pin VFQFN with exposed pad, surface mount configuration
• Operating conditions: Temperature range -40°C ~ 125°C, quiescent current, and input capacitance
• Compliance standards: RoHS3 compliance and REACH unaffected status

Substitute parts are classified into two categories:

Parametric Equivalent: Parts with identical electrical specifications and function, differing only in manufacturing qualification or grade.

Similar Equivalent: Parts with functionally equivalent specifications but minor variations in propagation delay or input capacitance that remain within acceptable design tolerances for most applications.

Parameter Comparison

Engineering Selection Recommendations

74LVC273BQ-Q100X (Parametric Equivalent - Nexperia USA Inc.)

This part is a direct parametric equivalent with identical electrical specifications and function. The primary distinction is automotive-grade qualification (AEC-Q100), indicating enhanced reliability testing and suitability for automotive applications. Selection of this part is appropriate when automotive-grade components are required or when higher reliability margins are specified. Inventory availability is higher (3,846 pcs) compared to the main part.

74LVC273AQ20-13 (Similar Equivalent - Diodes Incorporated)

This part provides functional equivalence with minor performance improvements in propagation delay (7.3 ns versus 8.2 ns) and slightly lower input capacitance (4 pF versus 5 pF). These variations represent performance enhancements rather than degradation. The part is manufactured by Diodes Incorporated and maintains identical supply voltage range, output drive capability, and operating temperature specifications. Selection is appropriate when component sourcing from alternative manufacturers is required or when improved propagation delay performance is beneficial. Inventory availability is lower (698 pcs).

Frequently Asked Questions (FAQ)

Q: Can 74LVC273BQ-Q100X be used as a direct replacement for 74LVC273BQ,115?

A: Yes. The 74LVC273BQ-Q100X is a parametric equivalent with identical electrical specifications, function, and package. The automotive-grade qualification (AEC-Q100) represents an additional qualification level rather than a functional difference. Direct substitution is supported in all applications where the main part is specified.

Q: What is the difference between the main part and 74LVC273AQ20-13?

A: The 74LVC273AQ20-13 is manufactured by Diodes Incorporated and offers improved propagation delay (7.3 ns versus 8.2 ns) and lower input capacitance (4 pF versus 4 pF). All other electrical parameters, package configuration, and operating conditions are equivalent. The part is suitable for applications where faster propagation delay is beneficial or where component sourcing diversity is required.

Q: Are all substitute parts in the same package?

A: Yes. All parts listed—the main part 74LVC273BQ,115, the parametric equivalent 74LVC273BQ-Q100X, and the similar equivalent 74LVC273AQ20-13—use the 20-pin VFQFN package with exposed pad. PCB layout and footprint compatibility is maintained across all substitutes.

Q: What does AEC-Q100 qualification mean for the 74LVC273BQ-Q100X?

A: AEC-Q100 is an automotive electronics qualification standard that specifies enhanced reliability testing, including temperature cycling, electrostatic discharge, and long-term stability verification. This qualification is relevant for automotive applications or systems requiring higher reliability assurance. The standard electrical performance remains identical to the non-qualified version.

Q: Can I use 74LVC273AQ20-13 in a design originally specified for 74LVC273BQ,115?

A: Yes. The 74LVC273AQ20-13 meets or exceeds all electrical specifications of the main part. The improved propagation delay (7.3 ns versus 8.2 ns) and lower input capacitance (4 pF versus 5 pF) represent performance enhancements. Substitution is supported provided the design does not have specific manufacturer or qualification requirements that exclude Diodes Incorporated parts.

Q: What is the moisture sensitivity level (MSL) and why is it important?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture control during storage or handling. This is the least restrictive moisture sensitivity classification and simplifies component logistics and inventory management.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All parts listed—74LVC273BQ,115, 74LVC273BQ-Q100X, and 74LVC273AQ20-13—are RoHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for modern electronics manufacturing.