74HC173D,652 Equivalent & Substitute Parts

Part Overview

The 74HC173D,652 is a D-Type flip-flop logic integrated circuit manufactured by Nexperia USA Inc., designed for 4-bit parallel data storage with master reset functionality. This component operates as a single element with tri-state, non-inverted outputs and is housed in a 16-SOIC surface mount package. The part is currently listed as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.

Substiute Parts

74HC173D,652

Nexperia USA Inc.In Stock: 77574HC173D,652 Datasheet

Current PartRFQ

CD74HC173M

Texas InstrumentsIn Stock: 2910CD74HC173M Datasheet

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CD74HC173M96

Texas InstrumentsIn Stock: 4588CD74HC173M96 Datasheet

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CD74HC173MT

Texas InstrumentsIn Stock: 866CD74HC173MT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74HC173D,652 are qualified based on the following criteria:

Electrical Compatibility Parameters:

• Same base product number (74HC173)
• Identical function (Master Reset D-Type flip-flop)
• Matching output type (Tri-State, Non-Inverted)
• Same number of elements (1) and bits per element (4)
• Identical trigger type (Positive Edge)
• Compatible voltage supply range (2V ~ 6V)
• Matching package type (16-SOIC)

Mechanical Compatibility:

• Identical package dimensions (16-SOIC, 0.154", 3.90mm Width)
• Surface mount mounting type

Compliance Requirements:

• ROHS3 Compliant
• REACH Unaffected status

The substitute parts identified (CD74HC173M, CD74HC173M96, CD74HC173MT) meet all electrical and mechanical compatibility requirements. Variations in clock frequency, propagation delay, quiescent current, and input capacitance are within acceptable tolerances for the 74HC logic family and do not prevent functional substitution.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: CD74HC173M96

The CD74HC173M96 manufactured by Texas Instruments is the preferred substitute for the 74HC173D,652. This part maintains active product status, ensuring long-term availability and supply chain stability. It is supplied in Cut Tape (CT) & Digi-Reel® packaging with 4553 units currently in stock. All electrical and mechanical parameters align with substitution requirements, and ROHS3 compliance and REACH unaffected status are maintained.

Secondary Recommendation: CD74HC173M

The CD74HC173M is a viable alternative with Last Time Buy status. This part carries higher inventory availability (2820 units) and is supplied in Tube packaging. While product status indicates limited future availability, it remains suitable for immediate procurement needs.

Alternative: CD74HC173MT

The CD74HC173MT is available with 791 units in stock but carries Discontinued at DiGi Electronics status. This part should be considered only when primary and secondary options are unavailable, as future procurement may be constrained.

Compliance Assurance:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the original 74HC173D,652.

Frequently Asked Questions (FAQ)

Q: Can CD74HC173M96 directly replace 74HC173D,652 in existing designs?

A: Yes. The CD74HC173M96 is electrically and mechanically compatible. Both parts share identical function, output type, trigger type, supply voltage range, and 16-SOIC package dimensions. Pin-to-pin compatibility is maintained.

Q: What are the differences in performance between the main part and substitutes?

A: The main part (74HC173D,652) operates at 95 MHz clock frequency with 30ns maximum propagation delay. Substitute parts operate at 60 MHz with 34ns propagation delay. The main part also has lower quiescent current (4 µA vs. 8 µA) and lower input capacitance (4.6 pF vs. 10 pF). These differences are within 74HC logic family tolerances and do not affect functional compatibility in standard applications.

Q: Are there temperature range differences?

A: The main part operates from -40°C to 125°C. All substitute parts operate from -55°C to 125°C, providing an extended lower temperature range. This makes substitutes suitable for applications requiring wider temperature operation.

Q: What packaging options are available for substitutes?

A: CD74HC173M96 is supplied in Cut Tape (CT) & Digi-Reel® format. CD74HC173M is supplied in Tube packaging. CD74HC173MT packaging is not specified. All maintain the same 16-SOIC physical package dimensions.

Q: Why is the main part listed as obsolete?

A: The 74HC173D,652 from Nexperia USA Inc. has reached end-of-life status. Texas Instruments equivalents (CD74HC173M96, CD74HC173M, CD74HC173MT) provide continued access to the same logic function and are recommended for new designs and ongoing production.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance and REACH unaffected status, meeting the same regulatory requirements as the original part.