SN74ALVC08IDREP Equivalent & Substitute Parts

Part Overview

The SN74ALVC08IDREP is a 4-channel 2-input AND gate logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This device operates across a supply voltage range of 1.65V to 3.6V and is designed for low-power digital logic applications. The part is currently active in production with 1158 units in stock. Substitute parts may be required due to packaging availability, lead time constraints, or specific application requirements such as automotive qualification or alternative manufacturer sourcing.

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
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74ALVC08IDREP is determined by the following critical parameters: logic function (4-channel 2-input AND gate), supply voltage range (1.65V ~ 3.6V), output current capability (24mA), package type (14-SOIC), and operating temperature range (-40°C ~ 85°C). Parts meeting these core electrical and mechanical specifications are classified as parametric equivalents. Manufacturer-recommended alternatives may include parts from different manufacturers or with different packaging formats (Cut Tape, Bulk, or Tape & Reel) that maintain functional and electrical compatibility. Automotive-qualified variants with AEC-Q100 certification represent specialized equivalents for applications requiring automotive-grade reliability.

Parameter Comparison

Parameter	SN74ALVC08IDREP	SN74ALVC08DR	SN74ALVC08IDRG4Q1	74VCX08MX
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Fairchild Semiconductor
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	4	4	4	4
Number of Inputs	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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Discontinued at DiGi Electronics	Active
Qualification	Standard	Standard	AEC-Q100 Automotive	Standard

Engineering Selection Recommendations

SN74ALVC08DR is a parametric equivalent to SN74ALVC08IDREP with identical electrical specifications and 14-SOIC packaging. The primary difference is packaging format: SN74ALVC08DR is supplied in Cut Tape and Digi-Reel format with higher inventory availability (3674 units), making it suitable for applications where packaging flexibility is acceptable.

SN74ALVC08IDRG4Q1 maintains full electrical and mechanical compatibility with AEC-Q100 automotive qualification and Grade designation. This variant is appropriate for automotive applications requiring automotive-grade reliability certification, though it is currently discontinued at DiGi Electronics.

74VCX08MX from Fairchild Semiconductor is functionally equivalent with identical logic configuration and 14-SOIC packaging. This part operates across a wider lower voltage range (1.2V minimum versus 1.65V) and exhibits slightly lower propagation delay (2.8ns at 30pF versus 2.9ns at 50pF). Quiescent current is higher at 20 µA maximum. This substitute is suitable for applications where lower minimum supply voltage is beneficial and quiescent current tolerance permits the increase.

74ALVC08D,118 from NXP Semiconductors is a manufacturer-recommended alternative with identical base product number and logic function. Limited parametric data is provided for this part; verification of electrical specifications and package compatibility is necessary before selection.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVC08DR be used as a direct replacement for SN74ALVC08IDREP?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, logic configuration, and 14-SOIC package. The difference is packaging format: SN74ALVC08IDREP is supplied in Tape & Reel format, while SN74ALVC08DR is supplied in Cut Tape and Digi-Reel format. Selection depends on assembly process requirements.

Q: What is the difference between the standard SN74ALVC08IDREP and the SN74ALVC08IDRG4Q1 variant?

A: SN74ALVC08IDRG4Q1 includes AEC-Q100 automotive qualification and Grade designation. Electrical and mechanical specifications are identical. This variant is required for automotive applications with automotive reliability requirements.

Q: Is 74VCX08MX a suitable substitute for SN74ALVC08IDREP?

A: 74VCX08MX is functionally equivalent with identical logic configuration and 14-SOIC packaging. Key differences include 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). Substitution is appropriate when these parameter variations are acceptable for the application.

Q: Why is SN74ALVC08IDRG4Q1 listed as discontinued?

A: SN74ALVC08IDRG4Q1 is discontinued at DiGi Electronics but remains available through other distribution channels with 3550 units in stock. Availability should be confirmed with the supplier before design commitment.

Q: What packaging formats are available for 74ALVC08 logic gates?

A: The SN74ALVC08 base product is available in multiple packaging formats: Tape & Reel (SN74ALVC08IDREP), Cut Tape and Digi-Reel (SN74ALVC08DR), and Bulk (74ALVC08D,118 from NXP). All maintain identical 14-SOIC package and electrical specifications. Selection depends on assembly process and volume requirements.

Q: Are all listed substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

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