SN74HC00D NAND Gate IC Equivalent & Substitute Parts

Part Overview

The SN74HC00D is a 4-channel 2-input NAND gate logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The 74HC00 series represents a standard logic function across multiple manufacturers, enabling direct functional replacement with parts meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V to 6V
Operating Temperature Range	-40°C to 85°C
Package Type	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SN74HC00D is determined by strict equivalence across the following parameters:

Logic function: 4-channel 2-input NAND gate
Supply voltage range: 2V to 6V minimum
Package: 14-SOIC form factor
Mounting: Surface mount technology
RoHS compliance: ROHS3 Compliant

Substitute parts are grouped into three categories based on product status and availability:

Direct Equivalents (Active Status): Parts with identical electrical characteristics and active manufacturing status, suitable for immediate replacement.

Parametric Equivalents (Discontinued Status): Parts with matching core specifications but discontinued availability, listed for reference and legacy system support.

Performance Variants: Parts with enhanced specifications (lower propagation delay, extended temperature range, reduced quiescent current) that maintain full backward compatibility while offering improved performance margins.

Parameter Comparison

Part Number	Manufacturer	Product Status	Package	Voltage Supply	Temp Range	Max Prop Delay @ 6V, 50pF	Quiescent Current (Max)	Inventory
SN74HC00D	Texas Instruments	Discontinued	14-SOIC (Tube)	2V–6V	-40°C to 85°C	15ns	2µA	2,300 Pcs
SN74HC00DR	Texas Instruments	Active	14-SOIC (CT/Digi-Reel)	2V–6V	-40°C to 85°C	15ns	2µA	178,195 Pcs
SN74HC00DG4	Texas Instruments	Discontinued	14-SOIC (Tube)	2V–6V	-40°C to 85°C	15ns	2µA	2,740 Pcs
MC74HC00ADR2G	onsemi	Active	14-SOIC (CT/Digi-Reel)	2V–6V	-55°C to 125°C	13ns	1µA	9,457 Pcs
MM74HC00M	onsemi	Active	14-SOIC (Tube)	2V–6V	-40°C to 85°C	15ns	2µA	4,805 Pcs
MM74HC00MX	Fairchild Semiconductor	Active	14-SOIC	2V–6V	-40°C to 85°C	15ns	2µA	16,050 Pcs
74HC00D,653	Nexperia USA Inc.	Active	14-SO (Tape & Reel)	2V–6V	-40°C to 125°C	7ns	40µA	10,100 Pcs
74HC00S14-13	Diodes Incorporated	Active	14-SO (Tape & Reel)	2V–6V	-40°C to 125°C	15ns	20µA	1,125 Pcs
MC74HC00ADG	onsemi	Active	14-SOIC (Tube)	2V–6V	-55°C to 125°C	13ns	1µA	2,498 Pcs

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): SN74HC00DR is the primary substitute for SN74HC00D. Both are Texas Instruments products with matching electrical characteristics and identical operating temperature range. SN74HC00DR is currently in active production with significantly higher inventory availability (178,195 units). The packaging difference (Cut Tape/Digi-Reel versus Tube) does not affect functional compatibility.

For Extended Temperature Range Applications: MC74HC00ADR2G and MC74HC00ADG (both onsemi) provide extended operating temperature range (-55°C to 125°C) compared to the original specification (-40°C to 85°C). These parts also feature reduced quiescent current (1µA versus 2µA) and faster propagation delay (13ns versus 15ns), offering improved performance margins while maintaining full backward compatibility.

For Tape & Reel Packaging: 74HC00D,653 (Nexperia) and 74HC00S14-13 (Diodes Incorporated) are available in Tape & Reel format for automated assembly processes. Both support extended temperature range (-40°C to 125°C). The 74HC00D,653 offers superior propagation delay performance (7ns) but with higher quiescent current (40µA).

For Tube Packaging: MM74HC00M (onsemi) and MM74HC00MX (Fairchild Semiconductor) maintain identical specifications to the original SN74HC00D and are available in active production status with tube packaging.

Compliance Verification: All substitute parts listed maintain ROHS3 compliance and are suitable for applications requiring regulatory compliance. Inventory availability ranges from 1,125 to 178,195 units across all options.

Frequently Asked Questions (FAQ)

Q: Can SN74HC00DR be used as a direct replacement for SN74HC00D? A: Yes. Both parts are Texas Instruments products with identical electrical specifications, supply voltage range (2V–6V), operating temperature range (-40°C to 85°C), propagation delay (15ns @ 6V, 50pF), and 14-SOIC package. The only difference is packaging format (Cut Tape/Digi-Reel versus Tube), which does not affect functional compatibility.

Q: What is the difference between 14-SOIC and 14-SO packaging? A: Both designations refer to the same 14-pin small-outline integrated circuit package with 0.154" width and 3.90mm pitch. The functional and electrical characteristics are identical. The distinction relates to tape format (Tape & Reel versus Tube) for handling and assembly purposes.

Q: Are onsemi MC74HC00ADR2G and MC74HC00ADG suitable replacements? A: Yes, with performance enhancements. Both parts maintain the 4-channel 2-input NAND gate function and 14-SOIC package. They offer extended operating temperature range (-55°C to 125°C versus -40°C to 85°C), reduced quiescent current (1µA versus 2µA), and faster propagation delay (13ns versus 15ns). These improvements provide additional design margin while maintaining full backward compatibility.

Q: Which substitute offers the fastest propagation delay? A: The Nexperia 74HC00D,653 provides the fastest propagation delay at 7ns @ 6V, 50pF, compared to 15ns for the original SN74HC00D. This part is available in Tape & Reel format with active production status and extended temperature range support (-40°C to 125°C).

Q: What inventory levels are available for each substitute? A: SN74HC00DR has the highest availability at 178,195 units. MM74HC00MX (Fairchild) offers 16,050 units. 74HC00D,653 (Nexperia) provides 10,100 units. MC74HC00ADR2G (onsemi) has 9,457 units. MM74HC00M (onsemi) has 4,805 units. MC74HC00ADG (onsemi) has 2,498 units. 74HC00S14-13 (Diodes) has 1,125 units.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, suitable for applications requiring regulatory adherence.

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