SN74ALVC08DRE4 Equivalent & Substitute Parts

Part Overview

The SN74ALVC08DRE4 is a 4-channel 2-input AND gate logic IC manufactured by Texas Instruments, housed in a 14-SOIC surface mount package. This component is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and procurement. The part operates across a 1.65V to 3.6V supply voltage range with low quiescent current and fast propagation delay characteristics suitable for general-purpose logic applications.

Key Parameters

Parameter	Value
Logic Type	AND 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
Max Propagation Delay @ 3.3V, 50pF	2.9ns
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SN74ALVC08DRE4 is determined by functional equivalence across the following critical parameters: logic type (AND gate), circuit count (4 channels), input count (2 inputs per channel), package type (14-SOIC), and electrical operating range (supply voltage, quiescent current, output drive capability, and propagation delay). All substitute parts listed maintain these core specifications within acceptable tolerances for direct replacement in the same PCB footprint and electrical environment.

The substitute parts are grouped into two categories:

Parametric Equivalents maintain identical or near-identical electrical specifications and active product status, providing direct functional replacement.

Manufacturer Recommended Alternatives offer functional equivalence with minor parameter variations that remain within acceptable operating margins for most applications.

Parameter Comparison

Parameter	SN74ALVC08DRE4	SN74ALVC08DR	SN74ALVC08IDRG4Q1	74ALVC08D,118	74VCX08MX
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	NXP Semiconductors	Fairchild Semiconductor
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	4	4	4	4	4
Number of Inputs	2	2	2	2	2
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	—	1.2V ~ 3.6V
Current - Quiescent (Max)	10 µA	10 µA	10 µA	—	20 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	—	24mA, 24mA
Max Propagation Delay @ 3.3V	2.9ns @ 50pF	2.9ns @ 50pF	2.9ns @ 50pF	—	2.8ns @ 30pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	—	-40°C ~ 85°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	—	14-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	—	Surface Mount
Product Status	Discontinued at DiGi Electronics	Active	Discontinued at DiGi Electronics	Active	Active
Grade	Commercial	Commercial	Automotive (AEC-Q100)	—	Commercial
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: SN74ALVC08DR

The SN74ALVC08DR is the recommended first choice for direct replacement. Manufactured by Texas Instruments, it maintains identical electrical specifications to the SN74ALVC08DRE4 across all critical parameters. The part carries Active product status with 3674 units in stock, ensuring long-term availability. It is supplied in Cut Tape and Digi-Reel packaging formats, supporting both prototype and production procurement workflows. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) match the original part requirements.

Secondary Substitute: SN74ALVC08IDRG4Q1

This Texas Instruments variant is qualified to AEC-Q100 automotive standards, making it suitable for applications requiring automotive-grade components. Electrical specifications remain identical to the main part. Although discontinued at DiGi Electronics, 3550 units are currently in stock. Selection of this part is appropriate only when automotive qualification is a design requirement.

Alternative Substitute: 74VCX08MX

The Fairchild Semiconductor 74VCX08MX provides functional equivalence with minor parameter variations. Supply voltage range extends to 1.2V (lower than the 1.65V minimum of the main part), and quiescent current is higher at 20 µA versus 10 µA. Propagation delay is marginally faster at 2.8ns. This part is Active with 3932 units in stock. Selection is appropriate when lower supply voltage operation is required or when Fairchild component qualification is mandated by design standards.

Tertiary Substitute: 74ALVC08D,118

The NXP Semiconductors 74ALVC08D,118 is manufacturer-recommended but provides limited parameter documentation in the available data. Active product status with 4229 units in stock supports procurement continuity. This part should be selected only when NXP component qualification is a design requirement or when other substitutes are unavailable.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALVC08DR be used as a direct replacement for the SN74ALVC08DRE4?

A: Yes. The SN74ALVC08DR is a direct functional equivalent with identical electrical specifications, package type, and operating temperature range. Both parts are 4-channel 2-input AND gates in 14-SOIC surface mount packages with matching supply voltage, quiescent current, output drive capability, and propagation delay characteristics.

Q: What is the difference between the SN74ALVC08DRE4 and SN74ALVC08IDRG4Q1?

A: Both parts are electrically identical. The primary difference is qualification grade: the SN74ALVC08IDRG4Q1 is qualified to AEC-Q100 automotive standards, while the SN74ALVC08DRE4 is a commercial-grade part. Selection of the automotive variant is necessary only when automotive qualification is specified in the design requirements.

Q: Is the 74VCX08MX compatible with the SN74ALVC08DRE4?

A: The 74VCX08MX is functionally compatible as a 4-channel 2-input AND gate in a 14-SOIC package. However, it has minor electrical differences: lower minimum supply voltage (1.2V versus 1.65V), higher quiescent current (20 µA versus 10 µA), and faster propagation delay (2.8ns versus 2.9ns). These differences are within acceptable operating margins for most applications, but designs with strict power consumption or timing requirements should verify compatibility before substitution.

Q: Why is the SN74ALVC08DRE4 discontinued?

A: The SN74ALVC08DRE4 is discontinued at DiGi Electronics, but the functionally equivalent SN74ALVC08DR remains in active production. This is a common industry practice where manufacturers consolidate product lines while maintaining functional equivalence through active variants.

Q: Can I use the NXP 74ALVC08D,118 as a substitute?

A: Yes, the NXP 74ALVC08D,118 is a functional equivalent 4-channel 2-input AND gate. However, limited parameter documentation is available for this part. It should be selected when NXP component qualification is required or when other substitutes are unavailable. Verify compatibility with your specific application requirements before design implementation.

Q: What packaging options are available for these substitute parts?

A: All substitute parts are available in 14-SOIC surface mount packages, maintaining identical PCB footprint compatibility with the original SN74ALVC08DRE4. The SN74ALVC08DR is additionally available in Cut Tape and Digi-Reel packaging formats for flexible procurement options.

Q: Are all substitute parts RoHS compliant?

A: Yes, all listed substitute parts maintain ROHS3 compliance, matching the environmental and regulatory requirements of the original SN74ALVC08DRE4.

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