SN74LV08AD AND Gate IC Equivalent & Substitute Parts

Part Overview

The SN74LV08AD is a 4-channel 2-input AND gate logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production requirements. The SN74LV08AD operates across a 2V to 5.5V supply voltage range with low quiescent current and is suitable for general-purpose logic applications requiring AND gate functionality.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	2V ~ 5.5V
Current - Quiescent (Max)	20 µA
Current - Output High, Low	12mA, 12mA
Input Logic Level - Low	0.5V
Input Logic Level - High	1.5V
Max Propagation Delay @ V, Max CL	7.9ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74LV08AD are grouped based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Logic Type: AND Gate
Number of Circuits: 4
Number of Inputs: 2 per circuit
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Secondary Compatibility Parameters:

Voltage - Supply range compatibility
Current - Output High/Low drive capability
Input Logic Level thresholds
Operating Temperature range
RoHS and MSL compliance

Parts are classified into three substitution categories: Direct Equivalents (identical electrical and packaging specifications), Compatible Alternatives (same logic function and package with acceptable parameter variations), and Manufacturer-Recommended Alternatives (parts recommended by original manufacturers for this application).

Parameter Comparison

Part Number	Manufacturer	Voltage - Supply	Current - Quiescent (Max)	Current - Output High, Low	Max Propagation Delay @ V, Max CL	Operating Temperature	Packaging	Product Status
SN74LV08AD	Texas Instruments	2V ~ 5.5V	20 µA	12mA, 12mA	7.9ns @ 5V, 50pF	-40°C ~ 125°C	Tube	Discontinued
SN74LV08ADR	Texas Instruments	2V ~ 5.5V	20 µA	12mA, 12mA	7.9ns @ 5V, 50pF	-40°C ~ 125°C	Cut Tape (CT) & Digi-Reel®	Active
74LV08AS14-13	Diodes Incorporated	2V ~ 5.5V	20 µA	12mA, 12mA	7.9ns @ 5V, 50pF	-40°C ~ 125°C	Tape & Reel (TR)	Active
74LVX08M	Fairchild Semiconductor	2V ~ 3.6V	2 µA	4mA, 4mA	10.6ns @ 3.3V, 50pF	-40°C ~ 85°C	Bulk	Active
74LVX08MX	Fairchild Semiconductor	2V ~ 3.6V	2 µA	4mA, 4mA	10.6ns @ 3.3V, 50pF	-40°C ~ 85°C	Bulk	Active
MC74LVX08DR2G	onsemi	2V ~ 3.6V	2 µA	4mA, 4mA	10.6ns @ 3.3V, 50pF	-40°C ~ 85°C	Tape & Reel (TR)	Active
74LV08D,118	NXP Semiconductors	Not specified	Not specified	Not specified	Not specified	Not specified	Bulk	Active

Engineering Selection Recommendations

Direct Equivalent - Recommended First Choice: SN74LV08ADR (Texas Instruments) is the direct equivalent to SN74LV08AD with identical electrical specifications and 14-SOIC packaging. This part is currently active and available in high volume (108,780 pcs in stock). The only difference is packaging format (Cut Tape & Digi-Reel® versus Tube), which does not affect electrical performance. This part maintains full ROHS3 compliance and MSL 1 rating.

Functional Equivalent - Same Series: 74LV08AS14-13 (Diodes Incorporated) provides identical electrical performance to the SN74LV08AD with matching voltage supply range (2V ~ 5.5V), quiescent current (20 µA), output drive capability (12mA, 12mA), and propagation delay (7.9ns @ 5V, 50pF). This part is active with 19,080 pcs in stock and maintains ROHS3 compliance and MSL 1 rating. Packaging is 14-SO in Tape & Reel format.

Compatible Alternative - Lower Power Series: 74LVX08M and 74LVX08MX (Fairchild Semiconductor) and MC74LVX08DR2G (onsemi) are compatible alternatives from the 74LVX series. These parts maintain the same logic function (4-channel 2-input AND gate) and 14-SOIC package but operate at reduced voltage range (2V ~ 3.6V) with significantly lower quiescent current (2 µA versus 20 µA). These parts are suitable for applications where the 5.5V upper supply limit is not required and lower power consumption is beneficial. Operating temperature range is reduced to -40°C ~ 85°C.

Manufacturer-Recommended Alternative: 74LV08D,118 (NXP Semiconductors) is listed as a manufacturer-recommended alternative. Limited technical specifications are provided in the input data; verification of electrical parameters and package compatibility is required before selection.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SN74LV08AD with SN74LV08ADR? A: Yes. SN74LV08ADR is the direct equivalent with identical electrical specifications and 14-SOIC packaging. The difference is packaging format (Cut Tape & Digi-Reel® versus Tube), which does not affect circuit performance.

Q: What is the difference between 74LV08 and 74LVX08 series parts? A: The 74LV08 series (SN74LV08AD, SN74LV08ADR, 74LV08AS14-13) operates at 2V ~ 5.5V supply voltage with 20 µA quiescent current and 12mA output drive. The 74LVX08 series (74LVX08M, 74LVX08MX, MC74LVX08DR2G) operates at 2V ~ 3.6V supply voltage with 2 µA quiescent current and 4mA output drive. Select 74LV08 for applications requiring 5V operation or higher output drive; select 74LVX08 for lower power applications limited to 3.6V maximum.

Q: Are all substitute parts ROHS3 compliant? A: SN74LV08ADR and 74LV08AS14-13 are explicitly ROHS3 compliant. MC74LVX08DR2G is ROHS3 compliant. 74LVX08M and 74LVX08MX do not list ROHS status in the provided specifications. 74LV08D,118 does not list ROHS status. Verify ROHS compliance with the manufacturer if this is a requirement for your application.

Q: What is the MSL (Moisture Sensitivity Level) rating? A: SN74LV08AD, SN74LV08ADR, 74LV08AS14-13, MC74LVX08DR2G, and 74LV08D,118 are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. 74LVX08M and 74LVX08MX do not list MSL rating in the provided specifications.

Q: Can I use 74LVX08 parts in a 5V system? A: No. 74LVX08 series parts are rated for maximum 3.6V supply voltage. Using them in a 5V system will exceed maximum ratings and may cause device damage. Use 74LV08 series parts for 5V applications.

Q: What is the operating temperature range difference? A: 74LV08 series parts operate from -40°C to 125°C. 74LVX08 series parts operate from -40°C to 85°C. Select 74LV08 series for applications requiring operation above 85°C.

Q: Are there packaging differences between substitute parts? A: Yes. SN74LV08AD is supplied in Tube packaging. SN74LV08ADR is supplied in Cut Tape & Digi-Reel®. 74LV08AS14-13 is supplied in Tape & Reel (TR). 74LVX08M and 74LVX08MX are supplied in Bulk. MC74LVX08DR2G is supplied in Tape & Reel (TR). All maintain the same 14-SOIC (0.154", 3.90mm Width) physical package for PCB mounting compatibility.

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