CD74HCT175M Equivalent & Substitute Parts

Part Overview

The CD74HCT175M is a D-Type flip-flop logic integrated circuit manufactured by Texas Instruments, designed for digital signal processing and sequential logic applications. This 16-SOIC package device functions as a 1-element, 4-bit positive edge-triggered flip-flop with complementary outputs and master reset capability. The part is currently in Last Time Buy status, making identification of active equivalent and substitute parts essential for ongoing design support and procurement planning.

Substiute Parts

CD74HCT175M

Texas InstrumentsIn Stock: 1961CD74HCT175M Datasheet

Current PartRFQ

CD74HCT175M96

Texas InstrumentsIn Stock: 1582CD74HCT175M96 Datasheet

MFR RecommendedRFQ

74HCT175D,653

Nexperia USA Inc.In Stock: 244474HCT175D,653 Datasheet

MFR RecommendedRFQ

74HCT175D-Q100J

Nexperia USA Inc.In Stock: 112374HCT175D-Q100J Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD74HCT175M is determined by strict equivalence across the following critical parameters:

• Base Product Number: All substitutes must share the 74HCT175 base designation, ensuring identical logic function and pin configuration
• Package Type: All substitutes must use 16-SOIC (0.154", 3.90mm Width) surface mount packaging for PCB compatibility
• Electrical Specifications: Voltage supply range (4.5V ~ 5.5V), output current (4mA/4mA), and propagation delay (33ns @ 4.5V, 50pF) must be maintained
• Functional Characteristics: D-Type configuration, 4-bit positive edge-triggered operation, complementary outputs, and master reset function must be identical
• Compliance Standards: RoHS3 compliance and MSL Level 1 rating required for all substitutes

The three substitute parts listed below meet these criteria with variations in manufacturer, packaging format, and product status only.

Parameter Comparison

Engineering Selection Recommendations

CD74HCT175M96 (Texas Instruments, Active Status): This part is the direct manufacturer continuation of the CD74HCT175M. It maintains identical electrical specifications and operating temperature range (-55°C ~ 125°C). The primary difference is packaging format (Cut Tape & Digi-Reel versus Tube), making it suitable for automated assembly environments. Selection of this part ensures continuity with the original design specifications and manufacturer support.

74HCT175D,653 (Nexperia USA Inc., Active Status): This substitute provides equivalent functionality with extended clock frequency capability (49 MHz versus 25 MHz) and reduced input capacitance (4.6 pF versus 10 pF). Operating temperature range is narrower (-40°C ~ 125°C). This part is suitable for applications not requiring the full -55°C lower temperature specification. Tape & Reel packaging supports high-volume production requirements.

74HCT175D-Q100J (Nexperia USA Inc., Active Status, Automotive Grade): This part carries AEC-Q100 automotive qualification and is identical in electrical performance to the 74HCT175D,653. Selection of this variant is required for automotive applications or designs requiring automotive-grade component certification. Operating temperature range is -40°C ~ 125°C.

Frequently Asked Questions (FAQ)

Q: Can I substitute CD74HCT175M with CD74HCT175M96? A: Yes. Both parts are manufactured by Texas Instruments and share identical electrical specifications, operating temperature range, and 16-SOIC package type. The difference is packaging format (Tube versus Cut Tape & Digi-Reel). Functional compatibility is complete.

Q: What is the difference between the Texas Instruments and Nexperia substitutes? A: Texas Instruments CD74HCT175M96 maintains the original -55°C ~ 125°C operating temperature range and 25 MHz clock frequency. Nexperia parts (74HCT175D,653 and 74HCT175D-Q100J) operate from -40°C ~ 125°C with 49 MHz clock frequency capability. All three maintain identical propagation delay and output current specifications. Selection depends on temperature range requirements and automotive qualification needs.

Q: Is the 74HCT175D-Q100J suitable for non-automotive applications? A: Yes. The AEC-Q100 qualification is an additional certification that does not restrict use in standard industrial or commercial applications. This part is functionally equivalent to 74HCT175D,653 and can be used interchangeably where automotive qualification is not required.

Q: Are all substitutes compatible with the same PCB layout? A: Yes. All substitute parts use identical 16-SOIC (0.154", 3.90mm Width) surface mount packaging with the same pin configuration. PCB layout and footprint remain unchanged across all four parts.

Q: What is the significance of the Last Time Buy status for CD74HCT175M? A: Last Time Buy status indicates Texas Instruments will discontinue this specific part number. CD74HCT175M96 is the active replacement from the same manufacturer. For new designs or long-term production, CD74HCT175M96 or the Nexperia alternatives should be selected to ensure ongoing availability.

Q: Can I use these parts interchangeably in existing designs? A: Yes, with consideration for operating temperature range. If your design operates below -40°C, only CD74HCT175M or CD74HCT175M96 are suitable. For applications within -40°C ~ 125°C range, all four parts are functionally interchangeable. Verify your specific temperature requirements before selection.