MM74HC00SJ NAND Gate IC Equivalent & Substitute Parts

Part Overview

The MM74HC00SJ is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in 14-SOP surface mount packaging. This part is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The 74HC00 series represents a standard logic function across multiple manufacturers, with several active alternatives available that maintain functional and electrical compatibility.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V to 6V
Current - Quiescent (Max)	2 µA
Current - Output High/Low	5.2 mA / 5.2 mA
Input Logic Level - Low	0.5V to 1.8V
Input Logic Level - High	1.5V to 4.2V
Max Propagation Delay @ 6V, 50pF	15 ns
Operating Temperature	-40°C to 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC
Base Product Number	74HC00
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MM74HC00SJ is determined by the following criteria:

Functional Equivalence: All substitute parts must be 4-channel 2-input NAND gates with identical logic configuration.

Electrical Parameters: Supply voltage range (2V to 6V), input/output logic levels, and propagation delay characteristics must be compatible. The MM74HC00SJ specifies 15 ns maximum propagation delay at 6V with 50 pF load.

Package Compatibility: The original part uses 14-SOP packaging. Substitutes in 14-SOIC packaging are mechanically and electrically compatible for PCB mounting, though physical dimensions may vary slightly.

Operating Temperature Range: The MM74HC00SJ operates from -40°C to 85°C. Substitutes with extended temperature ranges (-55°C to 125°C) are backward compatible.

Moisture Sensitivity: MSL Level 1 (Unlimited) is maintained across all qualified substitutes.

Product Status Consideration: Active parts are preferred for new designs; discontinued or obsolete parts should be evaluated for long-term availability.

Parameter Comparison

Part Number	Manufacturer	Status	Quiescent Current (Max)	Propagation Delay @ 6V, 50pF	Temp Range	Package	RoHS Status
MM74HC00SJ	onsemi	Obsolete	2 µA	15 ns	-40°C to 85°C	14-SOP	REACH Unaffected
SN74HC00NSR	Texas Instruments	Active	2 µA	15 ns	-40°C to 85°C	14-SO	ROHS3 Compliant
74HC00D,653	Nexperia USA Inc.	Active	40 µA	7 ns	-40°C to 125°C	14-SOIC	ROHS3 Compliant
CD74HC00M	Harris Corporation	Obsolete	2 µA	15 ns	-55°C to 125°C	14-SOIC	RoHS Non-Compliant
CD74HC00M96	Texas Instruments	Active	2 µA	15 ns	-55°C to 125°C	14-SOIC	ROHS3 Compliant
CD74HC00MT	Texas Instruments	Discontinued at DiGi Electronics	2 µA	15 ns	-55°C to 125°C	14-SOIC	ROHS3 Compliant
SN74HC00D	Texas Instruments	Discontinued at DiGi Electronics	2 µA	15 ns	-40°C to 85°C	14-SOIC	ROHS3 Compliant
SN74HC00DG4	Texas Instruments	Discontinued at DiGi Electronics	2 µA	15 ns	-40°C to 85°C	14-SOIC	ROHS3 Compliant
SN74HC00DR	Texas Instruments	Active	2 µA	15 ns	-40°C to 85°C	14-SOIC	ROHS3 Compliant
SN74HC00DT	Texas Instruments	Discontinued at DiGi Electronics	2 µA	15 ns	-40°C to 85°C	14-SOIC	ROHS3 Compliant
SN74HC00QDRG4Q1	Texas Instruments	Active	2 µA	15 ns	-40°C to 125°C	14-SOIC	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation - Active Parts:

SN74HC00NSR (Texas Instruments) and SN74HC00DR (Texas Instruments) are the preferred substitutes. Both are active products with identical electrical specifications to the MM74HC00SJ, ROHS3 compliance, and standard temperature range operation (-40°C to 85°C). SN74HC00NSR is available in Cut Tape & Digi-Reel packaging with 2,100 units in stock, while SN74HC00DR is available in Cut Tape & Digi-Reel packaging with 178,195 units in stock.

Extended Temperature Alternative:

SN74HC00QDRG4Q1 (Texas Instruments) provides extended operating temperature range (-40°C to 125°C) with AEC-Q100 automotive qualification. This part is active and ROHS3 compliant, suitable for applications requiring automotive-grade reliability or wider temperature operation.

High-Speed Alternative:

74HC00D,653 (Nexperia USA Inc.) offers superior propagation delay performance (7 ns versus 15 ns) with extended temperature range (-40°C to 125°C) and ROHS3 compliance. Note that quiescent current is specified at 40 µA maximum, which is higher than the MM74HC00SJ specification of 2 µA. This part is active with 10,100 units in stock.

Avoid:

CD74HC00M (Harris Corporation) is obsolete and RoHS non-compliant. CD74HC00MT, SN74HC00D, SN74HC00DG4, and SN74HC00DT are discontinued at DiGi Electronics and should not be selected for new designs.

Frequently Asked Questions (FAQ)

Q: Can I use SN74HC00DR as a direct replacement for MM74HC00SJ?

A: Yes. Both parts are 4-channel 2-input NAND gates with identical electrical specifications: 2V to 6V supply, 2 µA quiescent current, 5.2 mA output current, and 15 ns propagation delay at 6V with 50 pF load. The 14-SOIC package is mechanically compatible with 14-SOP for PCB mounting. SN74HC00DR is active and ROHS3 compliant.

Q: What is the difference between 14-SOP and 14-SOIC packaging?

A: Both are surface mount packages with 14 pins and identical electrical functionality. The primary difference is physical dimensions: 14-SOP (0.209" width, 5.30 mm) and 14-SOIC (0.154" width, 3.90 mm). PCB footprints differ, requiring layout adjustment. Electrical performance is identical.

Q: Why does 74HC00D,653 have different quiescent current (40 µA vs 2 µA)?

A: This represents a different manufacturing specification from Nexperia. The higher quiescent current does not affect functional compatibility but may impact power consumption in low-power applications. The faster propagation delay (7 ns) is a performance advantage.

Q: Is the SN74HC00QDRG4Q1 suitable for non-automotive applications?

A: Yes. The automotive qualification (AEC-Q100) and extended temperature range (-40°C to 125°C) make this part suitable for any application requiring higher reliability or wider temperature operation. It is functionally and electrically compatible with the MM74HC00SJ.

Q: What does ROHS3 compliance mean?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. This is a regulatory requirement for many markets and applications.

Q: Can I substitute parts with different temperature ranges?

A: Yes, if your application operates within the overlapping temperature range. The MM74HC00SJ operates -40°C to 85°C. Substitutes with extended ranges (-55°C to 125°C) are backward compatible for this specification. Ensure your actual operating conditions fall within the substitute part's rated range.

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