74ALVC08D,112 Equivalent & Substitute Parts

Part Overview

The 74ALVC08D,112 is a 4-channel 2-input AND gate logic IC manufactured by Nexperia USA Inc., housed in a 14-SOIC package. This component 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 listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

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)	20 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 @ V, Max CL	2ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the 74ALVC08D,112 is determined by the following critical parameters:

Logic function: 4-channel 2-input AND gate
Supply voltage compatibility: 1.65V ~ 3.6V minimum range
Output drive capability: 24mA minimum for both high and low states
Propagation delay: Maximum 2.9ns at 3.3V with 50pF load
Package compatibility: 14-SOIC form factor with 0.154" width
Operating temperature range: -40°C ~ 85°C
Surface mount technology requirement

All substitute parts listed maintain these core electrical and mechanical specifications, ensuring functional equivalence in standard logic applications.

Parameter Comparison

Parameter	74ALVC08D,112 (Nexperia)	SN74ALVC08D (TI)	SN74ALVC08DR (TI)	SN74ALVC08IDREP (TI)	SN74ALVC08NSR (TI)	74VCX08MX (Fairchild)
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	4	4	4	4	4	4
Number of Inputs	2	2	2	2	2	2
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.2V ~ 3.6V
Current - Quiescent (Max)	20 µA	10 µA	10 µA	10 µA	10 µA	20 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.6V ~ 2V
Max Propagation Delay @ V, Max CL	2ns @ 3.3V, 50pF	2.9ns @ 3.3V, 50pF	2.9ns @ 3.3V, 50pF	2.9ns @ 3.3V, 50pF	2.9ns @ 3.3V, 50pF	2.8ns @ 3.3V, 30pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.209", 5.30mm Width)	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Texas Instruments 74ALVC Series):

SN74ALVC08D, SN74ALVC08DR, SN74ALVC08IDREP, and SN74ALVC08NSR are direct functional equivalents from Texas Instruments. All maintain the 74ALVC base product number and are currently in active production status. These parts are ROHS3 compliant and REACH unaffected, meeting modern environmental and regulatory requirements. The Texas Instruments variants feature improved quiescent current specifications (10 µA maximum versus 20 µA), providing enhanced power efficiency while maintaining full electrical compatibility.

Secondary Substitute (Fairchild Semiconductor 74VCX Series):

The 74VCX08MX from Fairchild Semiconductor is functionally equivalent with extended lower supply voltage capability (1.2V minimum versus 1.65V). This part is currently in active production and ROHS3 compliant. The 74VCX08MX exhibits slightly faster propagation delay (2.8ns at 3.3V with 30pF load) compared to the original specification.

Package Consideration:

SN74ALVC08NSR uses a 14-SO package with 0.209" width, differing from the standard 0.154" width of other substitutes. This variant is suitable only for applications where the wider package footprint is acceptable.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74ALVC08D,112 with any of the listed substitutes?

A: Yes, all listed substitutes maintain electrical and mechanical compatibility within the specified parameters. The Texas Instruments SN74ALVC08D, SN74ALVC08DR, and SN74ALVC08IDREP are pin-for-pin compatible with identical package dimensions (14-SOIC, 0.154" width). The 74VCX08MX is also pin-compatible with the same package footprint. SN74ALVC08NSR uses a wider 14-SO package and requires PCB layout verification before substitution.

Q: What is the difference between the Texas Instruments variants?

A: SN74ALVC08D is supplied in tube packaging, SN74ALVC08DR in cut tape and digi-reel format, and SN74ALVC08IDREP in tape and reel format. All three share identical electrical specifications and are functionally equivalent. Selection depends on procurement and assembly requirements.

Q: Does the 74VCX08MX offer any advantages over the 74ALVC variants?

A: The 74VCX08MX supports lower minimum supply voltage (1.2V versus 1.65V) and exhibits marginally faster propagation delay (2.8ns versus 2.9ns at 3.3V). Both parts are ROHS3 compliant and currently in active production. The choice depends on specific application voltage requirements.

Q: Are all substitutes RoHS and REACH compliant?

A: Yes, all listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components.

Q: What is the significance of the obsolete status of the original part?

A: The 74ALVC08D,112 is listed as obsolete, indicating Nexperia has discontinued production. The active-status substitutes from Texas Instruments and Fairchild Semiconductor ensure long-term availability and supply chain continuity for new designs and production runs.

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