74ALVC32M OR Gate IC Equivalent & Substitute Parts

Part Overview

The 74ALVC32M is a 4-channel 2-input OR gate logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part operates across a 1.65V to 3.6V supply voltage range with low quiescent current and is designed for general-purpose logic applications. The 74ALVC32M is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	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	2.8ns
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 for the 74ALVC32M is determined by strict equivalence across the following critical parameters:

Logic function: 4-channel 2-input OR gate
Electrical specifications: 1.65V ~ 3.6V supply voltage, 10 µA maximum quiescent current, 24mA output drive capability, matching input logic thresholds
Propagation delay: 2.8ns maximum at 3.3V with 50pF load
Operating temperature range: -40°C ~ 85°C
Package compatibility: 14-SOIC surface mount form factor with 0.154" (3.90mm) width

Substitute parts are classified into three categories based on their relationship to the main part:

Direct Manufacturer Equivalents maintain identical electrical and mechanical specifications with different packaging formats or manufacturer sourcing.

Similar Parts share all core electrical parameters but may have minor packaging variations or different product status classifications.

Parametric Equivalents meet all functional and electrical requirements with identical performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage Supply	Quiescent Current	Output Drive	Propagation Delay @ 3.3V	Package	Packaging Format	RoHS Status
74ALVC32M	onsemi	Obsolete	1.65V ~ 3.6V	10 µA	24mA / 24mA	2.8ns	14-SOIC	Bulk	Not specified
74ALVC32D,118	Nexperia USA Inc.	Active	1.65V ~ 3.6V	10 µA	24mA / 24mA	2ns	14-SOIC	Tape & Reel	ROHS3 Compliant
SN74ALVC32DR	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	24mA / 24mA	2.8ns	14-SOIC	Cut Tape & Digi-Reel	ROHS3 Compliant
74ALVC32D-Q100J	Nexperia USA Inc.	Active	1.65V ~ 3.6V	10 µA	24mA / 24mA	2.8ns	14-SOIC	Tape & Reel	ROHS3 Compliant
SN74ALVC32NSR	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	24mA / 24mA	2.8ns	14-SOIC	Tape & Reel	ROHS3 Compliant
SN74ALVC32D	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	24mA / 24mA	2.8ns	14-SOIC	Tube	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and functional equivalence to the 74ALVC32M. Selection should be based on the following criteria:

Product Status: The 74ALVC32M is obsolete. All substitute parts listed are active products with ongoing manufacturer support and availability.

Compliance: All substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements. The original 74ALVC32M compliance status is not specified.

Packaging Format: Choose based on procurement and assembly requirements. Tape & Reel and Cut Tape formats support automated assembly. Tube packaging is suitable for manual assembly or lower-volume applications.

Automotive Grade: The 74ALVC32D-Q100J includes AEC-Q100 qualification for automotive applications. Select this variant if automotive-grade certification is required.

Propagation Delay: The 74ALVC32D,118 offers 2ns propagation delay compared to 2.8ns in other variants, providing improved timing performance where critical.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74ALVC32M with any of these substitute parts?

A: Yes. All listed parts share identical logic function, electrical specifications, and 14-SOIC package form factor. Direct pin-for-pin replacement is supported without circuit modification.

Q: What is the difference between 14-SOIC (0.154", 3.90mm) and 14-SOIC (0.209", 5.30mm) packages?

A: These refer to different body widths of the SOIC package. The SN74ALVC32NSR uses the wider 5.30mm variant. Verify PCB footprint compatibility before selection, as the wider package may not fit standard 0.154" SOIC footprints.

Q: Why is the 74ALVC32D,118 faster (2ns vs 2.8ns propagation delay)?

A: Propagation delay variation within the same logic family can result from manufacturing process differences between manufacturers. Both values meet the functional requirements of the 74ALVC series.

Q: Which substitute should I choose for new designs?

A: For new designs, select from active products with ROHS3 compliance. The SN74ALVC32DR (Texas Instruments) and 74ALVC32D,118 (Nexperia) are widely available. For automotive applications, specify 74ALVC32D-Q100J.

Q: Are there any differences in input/output logic levels between these parts?

A: No. All parts maintain identical input logic thresholds (Low: 0.7V ~ 0.8V, High: 1.7V ~ 2V) and output drive capability (24mA high and low).

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the lowest moisture sensitivity classification. These parts can be stored indefinitely without special moisture control measures.

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