CY74FCT240CTSOC Equivalent & Substitute Parts

Part Overview

The CY74FCT240CTSOC is a Buffer, Inverting logic IC manufactured by Texas Instruments, featuring 2 elements with 4 bits per element and 3-state output capability in a 20-SOIC package. This part is classified as Obsolete, which necessitates identification of equivalent substitute components for ongoing design support and procurement continuity. The substitute parts listed maintain identical electrical and mechanical specifications, enabling direct replacement in existing applications.

Substiute Parts

CY74FCT240CTSOC

Texas InstrumentsIn Stock: 1019CY74FCT240CTSOC Datasheet

Current PartRFQ

CY74FCT240TSOC

Texas InstrumentsIn Stock: 1815CY74FCT240TSOC Datasheet

MFR RecommendedRFQ

CY74FCT240ATSOC

Texas InstrumentsIn Stock: 2735CY74FCT240ATSOC Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CY74FCT240CTSOC are qualified based on strict equivalence across the following critical parameters:

• Logic Type: Buffer, Inverting
• Number of Elements: 2
• Number of Bits per Element: 4
• Output Type: 3-State
• Current - Output High, Low: 32mA, 64mA
• Voltage - Supply: 4.75V ~ 5.25V
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 20-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All identified substitutes maintain identical electrical performance and mechanical compatibility with the original part, differing only in product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

Both CY74FCT240TSOC and CY74FCT240ATSOC are qualified substitutes for the obsolete CY74FCT240CTSOC. The primary distinction between these alternatives is product status: both substitute parts are classified as Active, ensuring long-term availability and manufacturing support. All three parts maintain ROHS3 compliance and identical electrical and mechanical specifications.

For new designs or procurement requiring component continuity, either CY74FCT240TSOC or CY74FCT240ATSOC is suitable. Selection between these two active alternatives may be determined by packaging preference (Tube format) and inventory availability.

Frequently Asked Questions (FAQ)

Q: Can CY74FCT240TSOC or CY74FCT240ATSOC be used as direct replacements for CY74FCT240CTSOC?

A: Yes. Both substitute parts are electrically and mechanically equivalent. They feature identical logic type, element count, bit configuration, output type, current ratings, supply voltage range, operating temperature range, package type, and mounting method.

Q: What is the primary reason for substitution?

A: The CY74FCT240CTSOC is classified as Obsolete. The substitute parts CY74FCT240TSOC and CY74FCT240ATSOC are Active products, providing assured long-term availability and manufacturing support.

Q: Are there any differences in compliance or certification between the main part and substitutes?

A: No. All three parts maintain identical RoHS3 compliance status and Moisture Sensitivity Level (MSL) rating of 1 (Unlimited).

Q: Does the 20-SOIC package remain the same across all parts?

A: Yes. All parts use the 20-SOIC package with 0.295" (7.50mm) width, ensuring identical PCB footprint and assembly compatibility.

Q: What is the difference between CY74FCT240TSOC and CY74FCT240ATSOC?

A: Both parts are parametrically equivalent with identical electrical and mechanical specifications. The difference is in packaging format: both are supplied in Tube format. Selection may be based on inventory availability and procurement requirements.