MM74HC00SJX Equivalent & Substitute Parts

Part Overview

The MM74HC00SJX is a NAND Gate IC with 4 channels and 2 inputs per channel in a 14-SOP package, manufactured by onsemi. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74HC00 series represents a standard logic gate function across multiple manufacturers, enabling direct functional substitution based on electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	5.2mA, 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V
Max Propagation Delay @ 6V, 50pF	15ns
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.209", 5.30mm Width)
Base Product Number	74HC00
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MM74HC00SJX is determined by strict equivalence across the following parameters:

Logic function: NAND Gate with 4 channels, 2 inputs per channel
Electrical specifications: Voltage supply (2V ~ 6V), quiescent current, output current, input logic levels, and propagation delay
Operating temperature range compatibility
Package type and pin configuration (14-SOIC or 14-SOP variants)
Surface mount mounting type

Substitute parts are grouped into two categories based on package dimensions and product status:

Category A - Direct Package Match (14-SOIC 0.154" width): Parts with identical electrical specifications and the narrower 14-SOIC package footprint. These include MM74HC00MX, SN74HC00NSR, 74HC00D,653, CD74HC00M96, CD74HC00MT, SN74HC00D, SN74HC00DG4, SN74HC00DR, and SN74HC00DT.

Category B - Alternate Package (14-SOIC 0.154" width with extended temperature): CD74HC00M offers extended operating temperature (-55°C ~ 125°C) with obsolete status.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Circuits / Inputs	Voltage Supply	Quiescent Current (Max)	Output Current (High/Low)	Propagation Delay @ 6V, 50pF	Operating Temp	Package	Product Status
MM74HC00SJX	onsemi	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.209")	Obsolete
MM74HC00MX	Fairchild Semiconductor	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.154")	Active
SN74HC00NSR	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.209")	Active
74HC00D,653	Nexperia USA Inc.	NAND Gate	4 / 2	2V ~ 6V	40 µA	5.2mA / 5.2mA	7ns	-40°C ~ 125°C	14-SOIC (0.154")	Active
CD74HC00M	Harris Corporation	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-55°C ~ 125°C	14-SOIC (0.154")	Obsolete
CD74HC00M96	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-55°C ~ 125°C	14-SOIC (0.154")	Active
CD74HC00MT	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-55°C ~ 125°C	14-SOIC (0.154")	Discontinued at DiGi Electronics
SN74HC00D	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.154")	Discontinued at DiGi Electronics
SN74HC00DG4	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.154")	Discontinued at DiGi Electronics
SN74HC00DR	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.154")	Active
SN74HC00DT	Texas Instruments	NAND Gate	4 / 2	2V ~ 6V	2 µA	5.2mA / 5.2mA	15ns	-40°C ~ 85°C	14-SOIC (0.154")	Discontinued at DiGi Electronics

Engineering Selection Recommendations

For applications requiring the MM74HC00SJX, the following active product status parts are recommended as primary substitutes:

SN74HC00DR (Texas Instruments): Active status with 178,195 units in stock. Identical electrical specifications and operating temperature range (-40°C ~ 85°C). ROHS3 compliant. Available in Cut Tape and Digi-Reel packaging. Package footprint is 14-SOIC (0.154" width), which differs from the original 0.209" width but maintains pin compatibility.

MM74HC00MX (Fairchild Semiconductor): Active status with 16,050 units in stock. Identical electrical specifications and operating temperature range. ROHS3 compliant. Package footprint is 14-SOIC (0.154" width).

74HC00D,653 (Nexperia USA Inc.): Active status with 10,100 units in stock. Offers improved propagation delay (7ns versus 15ns) and extended operating temperature range (-40°C ~ 125°C). Quiescent current is higher at 40 µA. ROHS3 compliant. Package footprint is 14-SOIC (0.154" width).

CD74HC00M96 (Texas Instruments): Active status with 1,594 units in stock. Extended operating temperature range (-55°C ~ 125°C). Identical electrical specifications to the main part. ROHS3 compliant. Package footprint is 14-SOIC (0.154" width).

Parts with discontinued or obsolete status (CD74HC00MT, SN74HC00D, SN74HC00DG4, SN74HC00DT, CD74HC00M) are not recommended for new designs due to limited availability and supply chain risk.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different package width (0.154" versus 0.209")?

A: The 14-SOIC package designation indicates identical pin configuration and spacing. The width difference (0.154" versus 0.209") reflects body width variation but does not affect electrical performance or pin compatibility. PCB layout must accommodate the physical dimensions of the selected package.

Q: What is the difference between the MM74HC00SJX and SN74HC00DR?

A: Both parts are functionally equivalent NAND gate ICs with identical electrical specifications and operating temperature ranges (-40°C ~ 85°C). The primary differences are manufacturer (onsemi versus Texas Instruments), product status (obsolete versus active), and package body width (0.209" versus 0.154"). The SN74HC00DR is recommended due to active status and higher inventory availability.

Q: Why does 74HC00D,653 show different quiescent current and propagation delay?

A: The 74HC00D,653 from Nexperia exhibits 40 µA quiescent current (versus 2 µA in the main part) and 7ns propagation delay (versus 15ns). These differences reflect manufacturing process variations within the 74HC00 family. The part remains functionally compatible for NAND gate applications but may exhibit different power consumption characteristics in low-power standby conditions.

Q: Are all substitute parts ROHS3 compliant?

A: Most active and recently discontinued parts are ROHS3 compliant. CD74HC00M (Harris Corporation) is RoHS non-compliant and should not be used in applications requiring RoHS compliance.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in multiple packaging formats: Cut Tape (CT) & Digi-Reel, Tape & Reel (TR), and Tube. Selection depends on procurement volume and assembly requirements. SN74HC00DR offers the widest availability in Cut Tape and Digi-Reel formats.

Q: Can I use CD74HC00M96 or CD74HC00MT for applications requiring extended temperature operation?

A: Both parts support extended operating temperature range (-55°C ~ 125°C) compared to the main part (-40°C ~ 85°C). CD74HC00M96 is active status with 1,594 units in stock. CD74HC00MT is discontinued at DiGi Electronics with 1,612 units in stock. CD74HC00M96 is the preferred choice for new designs requiring extended temperature operation.

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