74F175SC Equivalent & Substitute Parts

Part Overview

The 74F175SC is a D-Type flip-flop logic integrated circuit manufactured by onsemi, featuring 1 element with 4-bit configuration and complementary output type. This component operates as a master reset flip-flop with positive edge triggering, designed for high-speed digital logic applications requiring 140 MHz clock frequency operation.

The 74F175SC is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

74F175SC

onsemiIn Stock: 122274F175SC Datasheet

Current PartRFQ

SN74F175D

Texas InstrumentsIn Stock: 2301SN74F175D Datasheet

DirectRFQ

SN74F175DR

Texas InstrumentsIn Stock: 3728SN74F175DR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74F175SC are identified based on strict electrical and mechanical parameter equivalence. The following criteria determine valid substitution:

Core Substitution Parameters:

• Base product number: 74F175
• Type: D-Type flip-flop
• Number of elements: 1
• Number of bits per element: 4
• Output type: Complementary
• Function: Master Reset
• Clock frequency: 140 MHz
• Trigger type: Positive edge
• Voltage supply range: 4.5V ~ 5.5V
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Mounting type: Surface Mount

All substitute parts maintain identical electrical performance characteristics and physical package specifications, ensuring direct functional replacement in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

SN74F175D (Texas Instruments): This part maintains full electrical and mechanical equivalence to the 74F175SC. The SN74F175D carries Last Time Buy product status and includes ROHS3 compliance certification. This option provides regulatory compliance for new designs while maintaining functional compatibility.

SN74F175DR (Texas Instruments): This part is the preferred selection for ongoing production and new applications. The SN74F175DR is classified as Active product status, ensuring long-term availability and supply chain continuity. It maintains identical electrical specifications and package configuration as the 74F175SC. The part includes ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements. The tape and reel packaging format supports automated assembly processes.

Both Texas Instruments substitutes provide direct functional replacement with no circuit modifications required.

Frequently Asked Questions (FAQ)

Q: Can SN74F175D and SN74F175DR be used interchangeably with 74F175SC?

A: Yes. Both parts share identical electrical parameters, including clock frequency, propagation delay, voltage supply range, output current specifications, and operating temperature range. The 16-SOIC package configuration is identical across all three parts, enabling direct pin-for-pin substitution.

Q: What is the difference between SN74F175D and SN74F175DR?

A: The primary difference is packaging format. SN74F175D is supplied in Tube packaging, while SN74F175DR is supplied in Tape & Reel (TR) format. Both parts are electrically identical. Tape & Reel packaging is standard for automated assembly processes, while Tube packaging is suitable for manual handling and lower-volume applications.

Q: Why is 74F175SC listed as obsolete?

A: The 74F175SC is an onsemi product that has reached end-of-life status. Texas Instruments continues to manufacture equivalent 74F175 logic devices, providing ongoing availability through the SN74F175D and SN74F175DR part numbers.

Q: Are there any compliance differences between the substitute parts?

A: The SN74F175D and SN74F175DR both carry ROHS3 compliance certification, while the 74F175SC does not specify RoHS status. All three parts are REACH Unaffected. For applications requiring RoHS compliance, the Texas Instruments substitutes are the appropriate selection.

Q: Will substituting these parts require PCB layout changes?

A: No. All three parts use the identical 16-SOIC (0.154", 3.90mm Width) surface mount package. PCB footprints, trace routing, and component placement remain unchanged.

Q: What is the inventory status of substitute parts?

A: SN74F175D has 2197 pieces in stock. SN74F175DR has 3639 pieces in stock. Both parts are available as new original components.