74ACT652SC Equivalent & Substitute Parts

Part Overview

The 74ACT652SC is a non-inverting transceiver logic IC manufactured by onsemi, featuring 1 element with 8 bits per element and 3-state output capability. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The 24-SOP surface mount package and 5.5V supply voltage specification define the core electrical and mechanical requirements for identifying compatible alternatives.

Key Parameters

Parameter	Specification
Manufacturer Part Number	74ACT652SC
Manufacturer	onsemi
Logic Type	Transceiver, Non-Inverting
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	24-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 74ACT652SC are identified based on strict parameter matching across the following critical criteria:

Electrical Compatibility Parameters:

Logic type: Transceiver, Non-Inverting
Number of elements: 1
Bits per element: 8
Output type: 3-State
Output current capability: 24mA (high and low)
Supply voltage range: 4.5V ~ 5.5V
Operating temperature range: -40°C ~ 85°C minimum

Mechanical Compatibility Parameters:

Package type: 24-SOIC (0.295", 7.50mm Width)
Mounting type: Surface Mount

Substitute parts are grouped into two categories: direct package equivalents (same 24-SOIC package) and parametric equivalents (matching electrical specifications with compatible packaging). All listed substitutes maintain identical functional specifications and pinout compatibility with the main part.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Type	Current (mA)	Supply Voltage	Temp Range (°C)	Package	Product Status
74ACT652SC	onsemi	Transceiver, Non-Inverting	1 / 8	3-State	24 / 24	4.5V ~ 5.5V	-40 ~ 85	24-SOIC	Obsolete
MC74ACT652DWR2G	onsemi	Transceiver, Non-Inverting	1 / 8	3-State	24 / 24	4.5V ~ 5.5V	-40 ~ 85	24-SOIC	Obsolete
CD74ACT652M96	Texas Instruments	Transceiver, Non-Inverting	1 / 8	3-State	24 / 24	4.5V ~ 5.5V	-55 ~ 125	24-SOIC	Active
74ACT11245DW	Texas Instruments	Transceiver, Non-Inverting	1 / 8	3-State	24 / 24	4.5V ~ 5.5V	-40 ~ 85	24-SOIC	Last Time Buy
MC74ACT646DWG	onsemi	Transceiver, Non-Inverting	1 / 8	3-State	24 / 24	4.5V ~ 5.5V	-40 ~ 85	24-SOIC	Obsolete

Engineering Selection Recommendations

CD74ACT652M96 (Texas Instruments) is the primary recommended substitute. This part maintains full electrical and mechanical compatibility with the 74ACT652SC while offering active product status, ensuring long-term availability and supply chain stability. The extended operating temperature range (-55°C ~ 125°C) provides additional thermal margin for demanding applications. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) support modern manufacturing and storage requirements.

MC74ACT652DWR2G (onsemi) provides a direct equivalent with identical specifications and the same manufacturer as the original part. While classified as obsolete, this part offers immediate compatibility and is currently in stock. MSL 3 rating requires controlled storage conditions (168 hours maximum).

74ACT11245DW (Texas Instruments) serves as a parametric equivalent with matching electrical specifications and Last Time Buy status. This designation indicates limited future availability and should be considered only when CD74ACT652M96 is unavailable.

MC74ACT646DWG (onsemi) is a parametric equivalent suitable for applications where the specific base product number variant is acceptable. Obsolete status and MSL 3 rating apply the same constraints as MC74ACT652DWR2G.

Frequently Asked Questions (FAQ)

Q: Can I use CD74ACT652M96 as a direct replacement for 74ACT652SC?

A: Yes. CD74ACT652M96 maintains identical electrical specifications (1 element, 8 bits, 3-state output, 24mA drive current, 4.5V ~ 5.5V supply) and package configuration (24-SOIC). The extended temperature range and active product status make it the preferred long-term substitute.

Q: What is the difference between MC74ACT652DWR2G and CD74ACT652M96?

A: Both parts are electrically equivalent with identical output current, supply voltage, and operating temperature range (-40°C ~ 85°C). The primary differences are manufacturer (onsemi vs. Texas Instruments), product status (both obsolete vs. active), and moisture sensitivity level (MSL 3 vs. MSL 1). CD74ACT652M96 is recommended for new designs due to active status.

Q: Are all substitute parts in the same package?

A: Yes. All listed substitutes use the 24-SOIC (0.295", 7.50mm Width) surface mount package, ensuring mechanical and pinout compatibility with the original 74ACT652SC.

Q: Why is product status important for selecting a substitute?

A: Product status indicates supply chain availability and manufacturer support. Active parts (CD74ACT652M96) offer long-term procurement stability. Obsolete parts may have limited stock and no future production. Last Time Buy parts (74ACT11245DW) indicate final availability windows.

Q: Can I substitute 74ACT11245DW for 74ACT652SC?

A: Yes, from an electrical and mechanical standpoint. However, 74ACT11245DW carries Last Time Buy status, indicating restricted future availability. CD74ACT652M96 is preferred for applications requiring sustained supply.

Q: What does MSL rating mean for component selection?

A: Moisture Sensitivity Level (MSL) defines storage and handling requirements. MSL 1 (unlimited) allows indefinite storage at any humidity. MSL 3 (168 hours) requires controlled storage conditions and limits shelf life. For procurement planning, MSL 1 parts offer greater flexibility.

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