74ACT175SJX Equivalent & Substitute Parts

Part Overview

The 74ACT175SJX 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 is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part operates with positive edge triggering and is housed in a 16-SOIC surface mount package.

Substiute Parts

74ACT175SJX

onsemiIn Stock: 88474ACT175SJX Datasheet

Current PartRFQ

CD74ACT175M96

Texas InstrumentsIn Stock: 3280CD74ACT175M96 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74ACT175SJX is determined by the following critical parameters:

• Logic Series Compatibility: Both parts must belong to the 74ACT series to ensure functional equivalence
• Flip-Flop Configuration: D-Type topology with 1 element and 4-bit configuration
• Output Characteristics: Complementary output type with positive edge triggering
• Electrical Specifications: Supply voltage range (4.5V ~ 5.5V), output current capability (24mA high/low), and propagation delay performance
• Package Compatibility: 16-SOIC surface mount package with compatible pinout
• Functional Parameters: Master reset function capability

The CD74ACT175M96 manufactured by Texas Instruments meets these substitution criteria as an active product within the same 74ACT logic family, maintaining identical functional topology and electrical interface requirements.

Parameter Comparison

Engineering Selection Recommendations

The CD74ACT175M96 is the qualified substitute for the obsolete 74ACT175SJX. Selection of this alternative is supported by:

• Product Status: The CD74ACT175M96 maintains active product status, ensuring long-term availability and manufacturing support
• Functional Equivalence: Identical D-Type flip-flop configuration, 4-bit element structure, and complementary output topology
• Electrical Compatibility: Matching supply voltage range, output current ratings, and propagation delay specifications within acceptable engineering tolerances
• Regulatory Compliance: Both REACH Unaffected and EAR99 classification maintained, with the substitute offering RoHS3 compliance
• Package Compatibility: Both components utilize 16-SOIC surface mount packages with compatible pinout, though physical dimensions differ slightly (5.30mm vs. 3.90mm width)

The propagation delay differential of 0.5ns (11ns vs. 11.5ns) remains within typical system timing margins for 74ACT logic applications.

Frequently Asked Questions (FAQ)

Q: Can the CD74ACT175M96 directly replace the 74ACT175SJX in existing designs?

A: Yes. Both parts share identical functional topology, pinout configuration, and electrical interface specifications. The 16-SOIC package footprint is compatible for surface mount assembly, though the physical package width differs slightly (3.90mm vs. 5.30mm).

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

A: The 74ACT175SJX is classified as obsolete, indicating discontinued manufacturing and limited availability. The CD74ACT175M96 maintains active status, ensuring reliable procurement and manufacturing support for new designs and production runs.

Q: Are there temperature range considerations for substitution?

A: The CD74ACT175M96 operates across -55°C ~ 125°C, providing an extended temperature range compared to the 74ACT175SJX (-40°C ~ 85°C). This broader operating window offers additional design flexibility for applications requiring extended temperature performance.

Q: How do the quiescent current specifications compare?

A: The CD74ACT175M96 exhibits lower quiescent current (8 µA) relative to the 74ACT175SJX (40 µA), resulting in reduced power consumption during idle states. This represents an improvement in power efficiency for battery-powered or low-power applications.

Q: What packaging considerations apply to this substitution?

A: Both components are housed in 16-SOIC surface mount packages with compatible pinout. The physical package width differs (5.30mm vs. 3.90mm), which may require PCB layout verification for space-constrained designs. The CD74ACT175M96 is supplied in Tape & Reel packaging format.

Q: Are there compliance or certification differences?

A: The CD74ACT175M96 includes RoHS3 compliance certification, whereas the 74ACT175SJX does not specify this compliance. Both parts maintain REACH Unaffected and EAR99 classification status.