SN74ACT74NG4 Equivalent & Substitute Parts

Part Overview

The SN74ACT74NG4 is a dual D-type flip-flop logic integrated circuit in 14-DIP packaging, designed for digital logic applications requiring edge-triggered storage elements with complementary outputs. This device is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement. The SN74ACT74N provides functional and electrical equivalence while maintaining active product status and improved availability.

Substiute Parts

SN74ACT74NG4

Texas InstrumentsIn Stock: 1040SN74ACT74NG4 Datasheet

Current PartRFQ

SN74ACT74N

Texas InstrumentsIn Stock: 2151SN74ACT74N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74ACT74NG4 is determined by strict equivalence across the following critical parameters:

• Functional Type: D-Type flip-flop with dual elements and complementary outputs
• Electrical Specifications: Clock frequency (210 MHz), propagation delay (11 ns @ 5V, 50pF), output drive capability (24mA), and supply voltage range (4.5V ~ 5.5V)
• Trigger Characteristics: Positive edge triggering with Set/Reset functionality
• Package Compatibility: 14-DIP (0.300", 7.62mm) through-hole mounting
• Environmental Compliance: ROHS3 compliance and REACH unaffected status

The SN74ACT74N meets all these criteria and serves as a direct functional equivalent. The primary distinction is product status and packaging format, not electrical or mechanical performance.

Parameter Comparison

Engineering Selection Recommendations

The SN74ACT74N is the appropriate substitute for the SN74ACT74NG4 based on the following factors:

• Electrical Equivalence: All functional and electrical parameters are identical, including clock frequency, propagation delay, output drive current, and supply voltage specifications.
• Package Compatibility: Both devices use 14-DIP (0.300", 7.62mm) through-hole packaging, ensuring direct pin-for-pin compatibility on existing PCB layouts.
• Compliance Status: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements.
• Product Availability: The SN74ACT74N maintains active product status with higher inventory availability (2100 pcs), addressing the discontinuation of the SN74ACT74NG4.
• Packaging Format: The SN74ACT74N is supplied in tube packaging, which is standard for active production components.

Frequently Asked Questions (FAQ)

Q: Can the SN74ACT74N be used as a direct replacement for the SN74ACT74NG4?

A: Yes. Both devices are electrically and mechanically identical. All electrical parameters, including clock frequency, propagation delay, output drive capability, and supply voltage range, are equivalent. The 14-DIP package pinout is identical, enabling direct PCB substitution.

Q: What is the difference between the SN74ACT74NG4 and SN74ACT74N?

A: The primary difference is product status and packaging format. The SN74ACT74NG4 is discontinued at DiGi Electronics and supplied in standard packaging, while the SN74ACT74N is an active product supplied in tube packaging. No electrical or functional differences exist between the two parts.

Q: Are there any compatibility concerns when substituting the SN74ACT74N for the SN74ACT74NG4?

A: No compatibility concerns exist. Both parts share identical electrical specifications, pin configurations, and package dimensions. The 14-DIP (0.300", 7.62mm) through-hole mounting is standard for both devices.

Q: Does the SN74ACT74N meet the same compliance standards as the SN74ACT74NG4?

A: Yes. The SN74ACT74N maintains ROHS3 compliance and REACH unaffected status, matching the compliance profile of the SN74ACT74NG4.

Q: What is the operating temperature range for the SN74ACT74N?

A: The operating temperature range is -40°C to 85°C (TA), identical to the SN74ACT74NG4.