74FCT373ATSOG8 Equivalent & Substitute Parts

Part Overview

The 74FCT373ATSOG8 is a D-Type Transparent Latch logic IC manufactured by Renesas Electronics Corporation, configured as a single channel 8:8 circuit with tri-state output. This component operates within the 4.75V to 5.25V supply voltage range and is housed in a 20-SOIC surface mount package. The part is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications requiring this logic function.

Substiute Parts

74FCT373ATSOG8

Renesas Electronics CorporationIn Stock: 86574FCT373ATSOG8 Datasheet

Current PartRFQ

CY74FCT373ATSOC

Texas InstrumentsIn Stock: 2976CY74FCT373ATSOC Datasheet

MFR RecommendedRFQ

CY74FCT373ATSOCT

Texas InstrumentsIn Stock: 742CY74FCT373ATSOCT Datasheet

MFR RecommendedRFQ

CY74FCT373TSOC

Texas InstrumentsIn Stock: 2264CY74FCT373TSOC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74FCT373ATSOG8 are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Core Electrical Parameters:

• Logic Type: D-Type Transparent Latch
• Circuit Configuration: 8:8
• Output Type: Tri-State
• Supply Voltage Range: 4.75V ~ 5.25V
• Propagation Delay: 2ns
• Operating Temperature Range: -40°C ~ 85°C

Mechanical Parameters:

• Package Type: 20-SOIC
• Physical Dimensions: 0.295" × 7.50mm Width
• Mounting Type: Surface Mount

Compliance Parameters:

• RoHS3 Compliance
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

All substitute parts listed maintain identical electrical specifications, package geometry, and compliance certifications. Variations in output current capability (32mA/64mA versus 15mA/48mA) and packaging format (Tube versus Tape & Reel) do not affect functional substitution within the specified electrical operating parameters.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Status):

CY74FCT373ATSOC and CY74FCT373TSOC (both Texas Instruments) are the preferred substitute options. Both parts maintain active product status, ensuring long-term availability and continued manufacturer support. These components are functionally equivalent to the 74FCT373ATSOG8 across all critical electrical parameters and package specifications. The higher output current capability (32mA/64mA) of the Texas Instruments variants provides enhanced drive capability compared to the original Renesas part, making them suitable for applications with increased load requirements.

Secondary Substitute (Discontinued Status):

CY74FCT373ATSOCT is available in current inventory but carries discontinued status at DiGi Electronics. This part meets all electrical and mechanical compatibility requirements but should be considered only when primary substitutes are unavailable or when existing inventory must be depleted.

Compliance Consideration:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can the Texas Instruments CY74FCT373 series parts directly replace the Renesas 74FCT373ATSOG8?

A: Yes. The CY74FCT373ATSOC, CY74FCT373ATSOCT, and CY74FCT373TSOC are direct functional equivalents. All parts share identical logic type, circuit configuration, output type, supply voltage range, propagation delay, operating temperature range, and 20-SOIC package geometry.

Q: What is the difference between the three Texas Instruments substitute options?

A: The primary differences are product status and packaging format. CY74FCT373ATSOC and CY74FCT373TSOC maintain active status with Tube packaging. CY74FCT373ATSOCT is discontinued at DiGi Electronics with unspecified packaging. All three are electrically identical.

Q: Does the higher output current of the Texas Instruments parts affect compatibility?

A: No. The increased output current capability (32mA/64mA versus 15mA/48mA) is a performance enhancement that does not compromise compatibility. Applications designed for the original part will function correctly with the higher-capability substitute.

Q: Are there packaging considerations when substituting?

A: The original 74FCT373ATSOG8 uses Tape & Reel packaging, while the primary Texas Instruments substitutes use Tube packaging. Both packaging formats are suitable for surface mount assembly. Verify that your procurement and assembly processes accommodate the substitute packaging format.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All substitute parts are ROHS3 compliant, have Moisture Sensitivity Level 1 (Unlimited), and are REACH unaffected, matching the compliance profile of the original 74FCT373ATSOG8.