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74LVC14AD-Q100J Equivalent & Substitute Parts
Part Overview
The 74LVC14AD-Q100J is a 6-channel inverter IC with Schmitt trigger inputs manufactured by Nexperia USA Inc. in a 14-SOIC surface mount package. This automotive-grade component (AEC-Q100 qualified) operates across a 1.2V to 3.6V supply voltage range and is designed for logic signal inversion applications requiring hysteresis input characteristics. The part is currently active in production with 1071 units in stock.
Substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when sourcing from multiple manufacturers is needed for supply chain resilience.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 1 |
| Features | Schmitt Trigger |
| Voltage - Supply | 1.2V ~ 3.6V |
| Current - Quiescent (Max) | 40 µA |
| Current - Output High, Low | 24mA, 24mA |
| Max Propagation Delay @ 3.3V, 50pF | 6.4ns |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 74LVC14AD-Q100J is determined by the following critical parameters:
Functional Requirements:
- Logic type must be inverter with 6 channels and 1 input per channel
- Schmitt trigger input feature is mandatory
- Output drive capability must match or exceed 24mA for both high and low states
Electrical Compatibility:
- Supply voltage range must encompass or be compatible with 1.2V ~ 3.6V operation
- Propagation delay at 3.3V with 50pF load must not exceed 6.4ns for timing-critical applications
- Quiescent current specifications determine power consumption characteristics
Physical & Environmental:
- Package must be 14-SOIC form factor (0.154", 3.90mm width) for PCB compatibility
- Operating temperature range must support -40°C ~ 125°C minimum
- Automotive grade (AEC-Q100) qualification is required for automotive applications
Compliance:
- RoHS3 compliance is mandatory
- MSL rating of 1 (unlimited) is standard across all qualified substitutes
Substitute parts are grouped into three categories: parametric equivalents (identical specifications from the same manufacturer), direct manufacturer alternatives (functionally equivalent from different manufacturers), and similar parts (compatible with minor parameter variations within acceptable engineering tolerances).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Supply | Current - Quiescent (Max) | Input Logic Level - Low | Input Logic Level - High | Max Propagation Delay @ 3.3V, 50pF | Operating Temperature | Packaging | Product Status | Grade |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC14AD-Q100J | Nexperia USA Inc. | 1.2V ~ 3.6V | 40 µA | 0.12V ~ 0.8V | 1V ~ 2V | 6.4ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Automotive |
| 74LVC14AD,118 | Nexperia USA Inc. | 1.2V ~ 3.6V | 40 µA | 0.12V ~ 0.8V | 1V ~ 2V | 6.4ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Not specified |
| MC74LCX14DR2G | onsemi | 2V ~ 3.6V | 10 µA | 0.4V ~ 0.6V | 1.7V ~ 2.2V | 6.5ns | -40°C ~ 85°C | Tape & Reel (TR) | Active | Not specified |
| 74LVC14AS14-13 | Diodes Incorporated | 1.65V ~ 5.5V | 10 µA | 0.4V ~ 0.8V | 1.7V ~ 2V | 4.8ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Not specified |
| SN74LVC14AD | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 0.15V ~ 0.8V | 1.3V ~ 2V | 6.2ns | -40°C ~ 125°C | Tube | Active | Not specified |
| SN74LVC14ADR | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 0.15V ~ 0.8V | 1.3V ~ 2V | 6.2ns | -40°C ~ 125°C | Cut Tape (CT) & Digi-Reel® | Active | Not specified |
| SN74LVC14ADRG3 | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 0.15V ~ 0.8V | 1.3V ~ 2V | 6.2ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Not specified |
| SN74LVC14ADRG4 | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 0.15V ~ 0.8V | 1.3V ~ 2V | 6.2ns | -40°C ~ 125°C | Cut Tape (CT) & Digi-Reel® | Discontinued at DiGi Electronics | Not specified |
| SN74LVC14ADT | Texas Instruments | 1.65V ~ 3.6V | 1 µA | 0.15V ~ 0.8V | 1.3V ~ 2V | 6.2ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Not specified |
| SN74LVC14AQDREP | Texas Instruments | 2V ~ 3.6V | 10 µA | 0.4V ~ 0.8V | 2V | 6.4ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Not specified |
| SN74LVC14AQDRG4Q1 | Texas Instruments | 2V ~ 3.6V | 10 µA | 0.4V ~ 0.8V | 2V | 6.4ns | -40°C ~ 125°C | Tape & Reel (TR) | Active | Automotive |
Engineering Selection Recommendations
Parametric Equivalent (Recommended Primary Substitute): The 74LVC14AD,118 from Nexperia USA Inc. is a parametric equivalent with identical electrical specifications and operating characteristics to the 74LVC14AD-Q100J. This part maintains the same 1.2V ~ 3.6V supply voltage range, 40 µA quiescent current, and 6.4ns propagation delay. Both parts are RoHS3 compliant and MSL 1 rated. This substitute is suitable for direct replacement in all applications.
Automotive-Grade Alternative: The SN74LVC14AQDRG4Q1 from Texas Instruments is AEC-Q100 qualified, matching the automotive grade requirement of the primary part. It operates within the 2V ~ 3.6V range (narrower than the primary part) with 10 µA quiescent current and 6.4ns propagation delay. This part is appropriate for automotive applications requiring qualified components.
General-Purpose Alternatives: The SN74LVC14ADT, SN74LVC14ADRG3, and SN74LVC14ADR from Texas Instruments provide functional equivalence with slightly lower quiescent current (1 µA) and comparable propagation delay (6.2ns). These parts support the full -40°C ~ 125°C temperature range and are suitable for non-automotive applications or where lower power consumption is beneficial.
Extended Voltage Range Option: The 74LVC14AS14-13 from Diodes Incorporated offers an extended supply voltage range of 1.65V ~ 5.5V with improved propagation delay (4.8ns). This part is suitable for applications requiring operation at higher supply voltages or where faster signal propagation is advantageous.
Avoid: The SN74LVC14ADRG4 is discontinued at DiGi Electronics and should not be selected for new designs.
Frequently Asked Questions (FAQ)
Q: Can I use the 74LVC14AD,118 as a direct replacement for the 74LVC14AD-Q100J? A: Yes. The 74LVC14AD,118 is a parametric equivalent with identical electrical specifications, operating temperature range, and package format. Both parts are RoHS3 compliant and MSL 1 rated. The primary difference is that automotive grade qualification is not specified for the 74LVC14AD,118. For non-automotive applications, this is a direct replacement.
Q: What is the difference between the Nexperia and Texas Instruments versions? A: The Nexperia 74LVC14AD-Q100J and 74LVC14AD,118 operate at 1.2V ~ 3.6V supply voltage with 40 µA quiescent current. The Texas Instruments SN74LVC14 series variants operate at 1.65V ~ 3.6V with 1 µA quiescent current. The Texas Instruments parts consume significantly less power but have a narrower minimum supply voltage specification. Both meet the 6.2ns to 6.4ns propagation delay requirement.
Q: Is the MC74LCX14DR2G from onsemi compatible? A: The MC74LCX14DR2G is functionally compatible but has operational constraints. It operates at 2V ~ 3.6V (higher minimum voltage than the primary part), has a narrower operating temperature range (-40°C ~ 85°C versus -40°C ~ 125°C), and different input logic level thresholds. Use this part only when the application's supply voltage and temperature requirements align with these specifications.
Q: Why do some substitutes have lower quiescent current? A: Quiescent current represents power consumption during idle operation. Texas Instruments parts specify 1 µA versus Nexperia's 40 µA. Lower quiescent current is beneficial for battery-powered or low-power applications. Both values are acceptable for the same functional application; the choice depends on power budget requirements.
Q: Can I use the 74LVC14AS14-13 in an automotive application? A: The 74LVC14AS14-13 from Diodes Incorporated is not specified as automotive grade or AEC-Q100 qualified. For automotive applications, use the SN74LVC14AQDRG4Q1 (Texas Instruments, AEC-Q100 qualified) or the 74LVC14AD-Q100J (Nexperia, AEC-Q100 qualified).
Q: What packaging options are available? A: The primary part uses Tape & Reel (TR) packaging. Substitutes are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube formats. All maintain the 14-SOIC (0.154", 3.90mm width) physical form factor for PCB compatibility. Select packaging based on assembly process requirements and order quantities.
Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts are RoHS3 compliant and MSL 1 rated, matching the environmental and moisture sensitivity specifications of the primary part.
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