SN74HC7002DG4 Equivalent & Substitute Parts

Part Overview

The SN74HC7002DG4 is a 4-channel NOR gate logic IC with Schmitt trigger inputs, manufactured by Texas Instruments in a 14-SOIC surface mount package. This component is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement. The part operates across a 2V to 6V supply voltage range with low quiescent current and is suitable for digital logic applications requiring noise immunity through Schmitt trigger functionality.

Substiute Parts

SN74HC7002DG4

Texas InstrumentsIn Stock: 910SN74HC7002DG4 Datasheet

Current PartRFQ

SN74HC7002D

Texas InstrumentsIn Stock: 2434SN74HC7002D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74HC7002DG4 is determined by strict equivalence across the following critical parameters:

• Logic function: 4-channel NOR gate with 2 inputs per channel
• Schmitt trigger input characteristic
• Supply voltage range: 2V ~ 6V
• Package type: 14-SOIC surface mount
• Electrical performance: Propagation delay, output current, quiescent current
• Compliance certifications: ROHS3, REACH Unaffected status

The SN74HC7002D qualifies as a direct substitute based on identical electrical specifications and package configuration, with the only difference being the package code suffix (D versus DG4).

Parameter Comparison

Engineering Selection Recommendations

The SN74HC7002D is a direct functional and electrical equivalent to the SN74HC7002DG4. Both parts maintain identical electrical performance specifications, package dimensions, and compliance certifications. The difference in part number suffix reflects packaging or date code variations from Texas Instruments but does not affect circuit performance or compatibility.

For applications currently using the SN74HC7002DG4, the SN74HC7002D provides seamless substitution without design modification. Both parts are discontinued at DiGi Electronics, indicating limited future availability. Inventory levels for the SN74HC7002D are higher (2380 pieces versus 808 pieces), making it the preferred selection for procurement when stock is a consideration.

Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the SN74HC7002D replace the SN74HC7002DG4 without PCB redesign?

A: Yes. Both parts are electrically identical with the same 14-SOIC package dimensions, pin configuration, and electrical characteristics. No PCB layout changes are required.

Q: What does the suffix difference (DG4 versus D) indicate?

A: The suffix represents packaging or manufacturing date code designations from Texas Instruments. The core die and electrical performance are equivalent.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical ROHS3 compliance, REACH Unaffected status, and MSL ratings.

Q: What is the operating temperature range for both parts?

A: Both the SN74HC7002DG4 and SN74HC7002D operate from -40°C to 85°C.

Q: Can these parts be used interchangeably in high-speed logic applications?

A: Yes. Both parts have identical propagation delay specifications of 22ns at 6V with 50pF load, making them suitable for equivalent timing-critical applications.

Q: What is the supply voltage range for these NOR gate ICs?

A: Both parts operate across a 2V to 6V supply voltage range, providing flexibility for various logic system designs.