Request Quote
(Ships tomorrow)
74LVC08AD Equivalent & Substitute Parts
Part Overview
The 74LVC08AD is a 4-channel 2-input AND gate logic IC manufactured by Nexperia USA Inc., housed in a 14-SOIC surface mount package. This part operates across a supply voltage range of 1.2V to 3.6V and is classified as obsolete. Due to its obsolete status, equivalent substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute parts maintain functional equivalence as 4-channel AND gate ICs while offering improved availability and active product support.
Substiute Parts
Key Parameters
| Parameter | 74LVC08AD |
|---|---|
| Logic Type | AND Gate |
| Number of Circuits | 4 |
| Number of Inputs | 2 |
| Voltage - Supply | 1.2V ~ 3.6V |
| Current - Quiescent (Max) | 40 µA |
| Current - Output High, Low | 24mA, 24mA |
| Max Propagation Delay @ 3.3V, 50pF | 4.1ns |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following criteria:
Functional Equivalence: All substitute parts maintain identical logic function (4-channel 2-input AND gate), circuit count, input configuration, and output drive capability (24mA).
Package Compatibility: All substitutes use the 14-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical and electrical pin compatibility.
Voltage Supply Range: Substitute parts operate within overlapping supply voltage ranges. The 74LVC08AD operates 1.2V ~ 3.6V. Substitute parts from the 74LCX series operate 2V ~ 3.6V, and Texas Instruments 74LVC series variants operate 1.65V ~ 3.6V, all supporting standard 3.3V logic applications.
Output Characteristics: All parts deliver identical output current specifications (24mA high and low), ensuring equivalent load-driving capability.
Compliance & Certification: All substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental qualifications.
Product Status: Substitute parts are classified as Active, providing ongoing manufacturer support and availability.
Parameter Comparison
| Part Number | Manufacturer | Voltage Supply | Quiescent Current (Max) | Propagation Delay @ 3.3V, 50pF | Operating Temperature | Product Status | Packaging |
|---|---|---|---|---|---|---|---|
| 74LVC08AD | Nexperia USA Inc. | 1.2V ~ 3.6V | 40 µA | 4.1ns | -40°C ~ 125°C | Obsolete | Tube |
| 74LCX08M | Fairchild Semiconductor | 2V ~ 3.6V | 10 µA | 5.5ns | -40°C ~ 85°C | Active | Bulk |
| MC74LCX08DG | onsemi | 2V ~ 3.6V | 10 µA | 5.5ns | -40°C ~ 85°C | Active | Tube |
| MC74LCX08DR2G | onsemi | 2V ~ 3.6V | 10 µA | 5.5ns | -40°C ~ 85°C | Active | Tape & Reel (TR) |
| SN74LVC08AD | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 3.9ns | -40°C ~ 125°C | Active | Tube |
| SN74LVC08ADR | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 3.9ns | -40°C ~ 125°C | Active | Cut Tape (CT) & Digi-Reel® |
| SN74LVC08ADRG3 | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 3.9ns | -40°C ~ 125°C | Active | Tape & Reel (TR) |
| SN74LVC08ADT | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 3.9ns | -40°C ~ 125°C | Active | Tape & Reel (TR) |
| SN74LVC08AMDREP | Texas Instruments | 2V ~ 3.6V | 10 µA | 4.1ns | -55°C ~ 125°C | Active | Tape & Reel (TR) |
| SN74LVC08AQDREP | Texas Instruments | 2V ~ 3.6V | 10 µA | 4.1ns | -40°C ~ 125°C | Active | Tape & Reel (TR) |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility): The Texas Instruments SN74LVC08 series variants (SN74LVC08AD, SN74LVC08ADR, SN74LVC08ADRG3, SN74LVC08ADT) provide the closest electrical match to the 74LVC08AD. These parts extend the lower voltage supply limit to 1.65V, maintain the full -40°C to 125°C operating temperature range, and deliver superior quiescent current performance (1 µA vs. 40 µA). Propagation delay is faster at 3.9ns. All variants maintain ROHS3 compliance and MSL Level 1 certification. Selection among these variants depends on packaging requirements: tube (SN74LVC08AD), cut tape with Digi-Reel (SN74LVC08ADR), or tape & reel (SN74LVC08ADRG3, SN74LVC08ADT).
Extended Temperature Range Option: The SN74LVC08AMDREP variant extends the lower operating temperature to -55°C, suitable for military or harsh environment applications. This part maintains 4.1ns propagation delay matching the original 74LVC08AD and operates across 2V ~ 3.6V supply range.
Alternative Substitutes (74LCX Series): The 74LCX08 variants (74LCX08M from Fairchild Semiconductor, MC74LCX08DG and MC74LCX08DR2G from onsemi) are functionally equivalent but operate within a narrower voltage range (2V ~ 3.6V) and reduced temperature range (-40°C ~ 85°C). These parts feature lower quiescent current (10 µA) but exhibit slightly longer propagation delay (5.5ns). Selection of these alternatives is appropriate only when the reduced operating temperature range and higher voltage floor are acceptable for the application.
Packaging Considerations: For high-volume production, tape & reel packaging (SN74LVC08ADRG3, SN74LVC08ADT, MC74LCX08DR2G, SN74LVC08AMDREP) offers cost efficiency. For lower volumes or prototype work, tube packaging (SN74LVC08AD, MC74LCX08DG) or bulk packaging (74LCX08M) may be appropriate.
Frequently Asked Questions (FAQ)
Q: Can I directly replace 74LVC08AD with any of these substitute parts?
A: Yes, all listed substitute parts are pin-compatible and functionally equivalent 4-channel 2-input AND gate ICs in the 14-SOIC package. However, verify that your application's voltage supply range and operating temperature requirements align with the substitute part's specifications. The Texas Instruments SN74LVC series variants offer the broadest compatibility with the original 74LVC08AD.
Q: What is the key difference between the Texas Instruments 74LVC and Fairchild/onsemi 74LCX series?
A: Both series provide identical logic function and output drive capability. The primary differences are voltage supply range (74LVC: 1.2V ~ 3.6V or 1.65V ~ 3.6V; 74LCX: 2V ~ 3.6V), quiescent current (74LVC: 1 µA or 40 µA; 74LCX: 10 µA), propagation delay (74LVC: 3.9ns or 4.1ns; 74LCX: 5.5ns), and operating temperature range (74LVC: -40°C ~ 125°C; 74LCX: -40°C ~ 85°C). Select based on your specific application requirements.
Q: Does packaging type affect electrical performance?
A: No. Tube, bulk, cut tape, and tape & reel packaging variants of the same part number deliver identical electrical performance. Packaging selection is driven by production volume, handling requirements, and cost considerations.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental qualifications of the original 74LVC08AD.
Q: Which substitute offers the best power efficiency?
A: The Texas Instruments SN74LVC08 series variants deliver the lowest quiescent current at 1 µA, compared to 40 µA for the original 74LVC08AD and 10 µA for the 74LCX series. For power-sensitive applications, the SN74LVC08 variants are the optimal choice.
Q: Can I use SN74LVC08AMDREP in applications requiring -55°C operation?
A: Yes, the SN74LVC08AMDREP is rated for -55°C to 125°C operation, making it suitable for extended temperature range applications. All other variants are rated to -40°C minimum.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts