74ALVTH16374ZQLR Equivalent & Substitute Parts

Part Overview

The 74ALVTH16374ZQLR is a dual 8-bit D-type flip-flop logic IC manufactured by Texas Instruments, housed in a 56-VFBGA package. This component functions as a standard positive-edge-triggered flip-flop with tri-state, non-inverted outputs, operating at clock frequencies up to 250 MHz. The device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

74ALVTH16374ZQLR

Texas InstrumentsIn Stock: 119974ALVTH16374ZQLR Datasheet

Current PartRFQ

SN74ALVTH16374VR

Texas InstrumentsIn Stock: 1073SN74ALVTH16374VR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74ALVTH16374ZQLR is determined by electrical and functional equivalence within the 74ALVTH series. The primary substitute, SN74ALVTH16374VR, maintains identical electrical specifications including clock frequency, propagation delay, voltage supply range, output current ratings, and quiescent current. Both parts share the same base product number (74ALVTH16374) and functional architecture as dual 8-bit D-type flip-flops with positive-edge triggering and tri-state outputs.

The key parameters governing substitution are:

• D-Type flip-flop architecture with 2 elements and 8 bits per element
• Positive-edge trigger configuration
• Tri-state, non-inverted output type
• 250 MHz clock frequency capability
• 3.2 ns maximum propagation delay @ 3.3V, 50pF
• Voltage supply compatibility (2.3V ~ 2.7V, 3V ~ 3.6V)
• Output current specifications (8mA/24mA and 32mA/64mA)
• Operating temperature range (-40°C ~ 85°C)

The primary difference between the main part and its substitute is the package configuration: the 74ALVTH16374ZQLR uses 56-VFBGA, while the SN74ALVTH16374VR uses 48-TFSOP. Both packages are surface-mount configurations suitable for automated assembly.

Parameter Comparison

Engineering Selection Recommendations

Both the 74ALVTH16374ZQLR and SN74ALVTH16374VR are obsolete products from Texas Instruments, classified within the same 74ALVTH logic series with identical electrical performance specifications. Selection between these parts is determined by package compatibility with existing PCB designs.

The 74ALVTH16374ZQLR in 56-VFBGA package is suitable for applications requiring high pin-count density in a compact footprint. The SN74ALVTH16374VR in 48-TFSOP package provides an alternative for designs with different board layout constraints or assembly capabilities.

Both parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard manufacturing and storage protocols. The identical electrical specifications guarantee functional interchangeability within the constraints of physical package compatibility.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALVTH16374VR directly replace the 74ALVTH16374ZQLR on an existing PCB?

A: Direct PCB replacement is not possible due to different package configurations. The 74ALVTH16374ZQLR uses 56-VFBGA while the SN74ALVTH16374VR uses 48-TFSOP. PCB redesign and re-layout are required for package substitution.

Q: Are the electrical specifications identical between these two parts?

A: Yes. Both parts share identical clock frequency (250 MHz), propagation delay (3.2 ns @ 3.3V, 50pF), voltage supply range (2.3V ~ 2.7V, 3V ~ 3.6V), output current ratings, quiescent current, and operating temperature range (-40°C ~ 85°C).

Q: What is the significance of the obsolete product status?

A: Both parts are classified as obsolete by Texas Instruments. This status indicates that the manufacturer no longer produces these components. Procurement should prioritize available inventory from authorized distributors.

Q: Are both parts RoHS compliant?

A: Yes. Both the 74ALVTH16374ZQLR and SN74ALVTH16374VR are ROHS3 compliant and carry unlimited moisture sensitivity level (MSL 1) ratings.

Q: What are the key functional differences between these parts?

A: There are no functional differences. Both are dual 8-bit D-type flip-flops with positive-edge triggering, tri-state non-inverted outputs, and identical electrical performance. The only difference is the physical package configuration.