74ALVC00MX NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74ALVC00MX is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74ALVC00 series provides low-voltage CMOS logic functionality suitable for applications requiring 1.65V to 3.6V supply operation with minimal quiescent current consumption.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	1.65V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ 3.3V, 50pF	3ns
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74ALVC00MX is determined by the following criteria:

Functional Equivalence: All substitute parts maintain identical logic type (NAND Gate), circuit count (4 channels), and input configuration (2-input).

Electrical Compatibility: Substitute parts must support the same voltage supply range (1.65V ~ 3.6V), quiescent current specification (10 µA maximum), output drive capability (24mA), and input logic levels (0.7V ~ 0.8V low, 1.7V ~ 2V high).

Timing Performance: Propagation delay at 3.3V with 50pF load must not exceed 3ns for direct substitution.

Package Compatibility: All substitutes use 14-SOIC or 14-SO surface mount packaging with identical pinout and mechanical dimensions (0.154" width).

Operating Conditions: All substitutes maintain -40°C to 85°C operating temperature range.

Substitutes are categorized as direct manufacturer equivalents (same base product number, different manufacturer or packaging), similar parts (same series with minor parameter variations), or parametric equivalents (automotive-grade or alternative packaging options).

Parameter Comparison

Part Number	Manufacturer	Status	Voltage Supply	Quiescent Current (Max)	Propagation Delay @ 3.3V, 50pF	Package	Packaging Type
74ALVC00MX	onsemi	Obsolete	1.65V ~ 3.6V	10 µA	3ns	14-SOIC	—
MC74LCX00DG	onsemi	Active	2V ~ 3.6V	10 µA	5.5ns	14-SOIC	Tube
SN74ALVC00D	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	3ns	14-SOIC	Tube
74ALVC00D,118	Nexperia USA Inc.	Active	1.65V ~ 3.6V	20 µA	2.1ns	14-SOIC	Tape & Reel
SN74ALVC00NSR	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	3ns	14-SOIC	Tape & Reel
74ALVC00D-Q100J	Nexperia USA Inc.	Active	1.65V ~ 3.6V	20 µA	3ns	14-SOIC	Tape & Reel
SN74ALVC00DR	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	3ns	14-SOIC	Cut Tape & Digi-Reel
SN74ALVC00IDREP	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	3ns	14-SOIC	Tape & Reel
V62/04685-01XE	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	3ns	14-SOIC	Tape & Reel

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents): SN74ALVC00D, SN74ALVC00DR, SN74ALVC00NSR, SN74ALVC00IDREP, and V62/04685-01XE from Texas Instruments, and 74ALVC00D,118 from Nexperia USA Inc. are active production parts with identical or superior electrical specifications. These parts maintain the 1.65V ~ 3.6V supply range, 10 µA quiescent current, and 3ns propagation delay matching the original 74ALVC00MX.

Automotive-Grade Option: 74ALVC00D-Q100J from Nexperia USA Inc. is qualified to AEC-Q100 automotive standards and suitable for applications requiring automotive-grade components. This part maintains full electrical compatibility with slightly elevated quiescent current (20 µA maximum).

Alternative Series: MC74LCX00DG from onsemi represents the 74LCX series variant with active product status. This part operates within a narrower voltage range (2V ~ 3.6V) and exhibits slower propagation delay (5.5ns), making it suitable only for applications not requiring the full 1.65V minimum supply voltage or faster timing performance.

Compliance Status: All active substitute parts carry RoHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can MC74LCX00DG replace 74ALVC00MX in all applications?

A: MC74LCX00DG is functionally equivalent but operates at a minimum supply voltage of 2V versus 1.65V for the original part. Applications requiring operation below 2V supply voltage cannot use this substitute. Additionally, propagation delay is 5.5ns compared to 3ns, which may impact timing-critical circuits.

Q: What is the difference between the various Texas Instruments 74ALVC00 part numbers?

A: SN74ALVC00D, SN74ALVC00DR, SN74ALVC00NSR, SN74ALVC00IDREP, and V62/04685-01XE are electrically identical variants differing only in packaging format (tube, cut tape, tape & reel, or military designation). Selection depends on procurement and assembly requirements.

Q: Is 74ALVC00D-Q100J suitable for non-automotive applications?

A: Yes. The AEC-Q100 qualification indicates automotive-grade reliability but does not restrict use in non-automotive designs. This part is fully compatible with standard industrial and commercial applications.

Q: Why does 74ALVC00D,118 show 20 µA quiescent current instead of 10 µA?

A: The Nexperia variant specifies a maximum quiescent current of 20 µA, which remains within acceptable limits for low-power applications. This represents a worst-case specification and does not indicate functional incompatibility.

Q: Are all substitutes available in the same 14-SOIC package?

A: All substitutes use 14-SOIC or 14-SO surface mount packaging with identical pinout and 0.154" width. Mechanical compatibility is maintained across all options. Packaging format (tube, tape & reel, cut tape) affects procurement and assembly handling but not electrical or mechanical fit.

Q: Which substitute offers the best propagation delay performance?

A: 74ALVC00D,118 from Nexperia USA Inc. provides the fastest propagation delay at 2.1ns, offering improved timing margin for speed-critical applications while maintaining full electrical compatibility.

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