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74LVC245AD-Q100J Equivalent & Substitute Parts
Part Overview
The 74LVC245AD-Q100J is a non-inverting transceiver logic IC manufactured by Nexperia USA Inc., designed for 8-bit bidirectional data transfer with 3-state output capability. This automotive-grade component (AEC-Q100 qualified) operates across a supply voltage range of 1.2V to 3.6V and is housed in a 20-SOIC surface mount package. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).
Equivalent and substitute parts are identified to address supply chain continuity, packaging format preferences, or voltage specification requirements while maintaining functional compatibility within the specified electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.2V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Substitute Part Grouping Explanation
Substitute parts for the 74LVC245AD-Q100J are classified into two categories based on electrical and mechanical parameter alignment:
Parametric Equivalents maintain identical or fully compatible electrical specifications, supply voltage range, operating temperature, output current ratings, and package configuration. These parts are direct functional replacements with no design modifications required.
Similar Substitutes share the same logic function, package footprint, and core electrical characteristics but may differ in supply voltage range, temperature rating, or manufacturer series designation. Selection of similar substitutes requires verification of system voltage requirements and thermal operating conditions.
Key parameters determining substitution eligibility:
- Logic Type: Transceiver, Non-Inverting (mandatory)
- Number of Bits per Element: 8 (mandatory)
- Output Type: 3-State (mandatory)
- Package / Case: 20-SOIC (mandatory)
- Output Current: 24mA minimum (mandatory)
- Voltage - Supply: Minimum 1.2V to 3.6V overlap required
- Operating Temperature: -40°C to 125°C minimum range required
Parameter Comparison
| Part Number | Manufacturer | Series | Voltage - Supply | Operating Temperature | Package | Packaging Format | Grade | Qualification | MSL |
|---|---|---|---|---|---|---|---|---|---|
| 74LVC245AD-Q100J | Nexperia USA Inc. | 74LVC | 1.2V ~ 3.6V | -40°C ~ 125°C | 20-SOIC | Tape & Reel (TR) | Automotive | AEC-Q100 | 1 |
| 74LVC245AD,118 | Nexperia USA Inc. | 74LVC | 1.2V ~ 3.6V | -40°C ~ 125°C | 20-SOIC | Cut Tape (CT) & Digi-Reel® | — | — | 1 |
| 74LVCH245AD,118 | Nexperia USA Inc. | 74LVCH | 1.2V ~ 3.6V | -40°C ~ 125°C | 20-SOIC | Tape & Reel (TR) | — | — | 1 |
| 74LVCH245AD-Q100J | Nexperia USA Inc. | 74LVCH | 1.2V ~ 3.6V | -40°C ~ 125°C | 20-SOIC | Tape & Reel (TR) | Automotive | AEC-Q100 | 1 |
| MC74LCX245DWR2G | onsemi | 74LCX | 2V ~ 5.5V | -55°C ~ 125°C | 20-SOIC | Cut Tape (CT) | — | — | 3 |
| SN74LVCH245ADW | Texas Instruments | 74LVCH | 1.65V ~ 3.6V | -40°C ~ 125°C | 20-SOIC | Tube | — | — | 1 |
| SN74LVCH245ADWR | Texas Instruments | 74LVCH | 1.65V ~ 3.6V | -40°C ~ 125°C | 20-SOIC | Cut Tape (CT) & Digi-Reel® | — | — | 1 |
Engineering Selection Recommendations
For Automotive Applications with AEC-Q100 Requirement: The 74LVCH245AD-Q100J (Nexperia) is the direct parametric equivalent to the 74LVC245AD-Q100J, maintaining identical automotive qualification and AEC-Q100 certification. This part is recommended when supply chain constraints affect the primary part number while automotive-grade compliance must be preserved.
For Commercial or Industrial Applications: The 74LVC245AD,118 (Nexperia, Cut Tape packaging) and SN74LVCH245ADWR (Texas Instruments, Cut Tape & Digi-Reel) are functionally equivalent alternatives. Both maintain the required 1.2V to 3.6V supply voltage range and -40°C to 125°C operating temperature specification. Selection between these parts depends on packaging format availability and supplier preference.
For Extended Temperature or Higher Voltage Applications: The MC74LCX245DWR2G (onsemi) operates across 2V to 5.5V supply voltage and -55°C to 125°C temperature range. This part is suitable only when system design permits the higher voltage specification and extended low-temperature operation. The MSL 3 rating requires controlled storage conditions compared to MSL 1 alternatives.
For Texas Instruments Supply Chain: The SN74LVCH245ADW (Tube packaging) and SN74LVCH245ADWR (Cut Tape & Digi-Reel) both meet the core electrical specifications with 1.65V to 3.6V supply voltage range. The ADWR variant in Cut Tape format provides better inventory management for high-volume applications.
Frequently Asked Questions (FAQ)
Q: Can the 74LVC245AD-Q100J be replaced with the 74LVCH245AD-Q100J? A: Yes. Both parts are manufactured by Nexperia, share identical electrical specifications (1.2V to 3.6V supply, -40°C to 125°C operating range), maintain AEC-Q100 automotive qualification, and use the same 20-SOIC package. The primary difference is the series designation (74LVC versus 74LVCH), which reflects internal circuit architecture but does not affect functional compatibility for this application.
Q: What is the difference between 74LVC245AD,118 and 74LVC245AD-Q100J? A: Both parts are from Nexperia's 74LVC series with identical electrical specifications. The primary differences are packaging format (Cut Tape & Digi-Reel versus Tape & Reel) and automotive qualification (the -Q100J variant includes AEC-Q100 certification). The 74LVC245AD,118 is suitable for non-automotive applications where AEC-Q100 is not required.
Q: Is the MC74LCX245DWR2G compatible with the 74LVC245AD-Q100J? A: Functional compatibility exists for the core transceiver logic function. However, the MC74LCX245DWR2G operates at 2V to 5.5V supply voltage, which exceeds the 74LVC245AD-Q100J specification of 1.2V to 3.6V. This part is suitable only when system design permits higher voltage operation. Additionally, the MC74LCX245DWR2G lacks automotive qualification and has MSL 3 moisture sensitivity, requiring controlled storage.
Q: Can Texas Instruments SN74LVCH245ADWR replace the Nexperia 74LVC245AD-Q100J? A: Yes, for non-automotive applications. The SN74LVCH245ADWR maintains the required 3-state transceiver logic, 8-bit configuration, 20-SOIC package, and -40°C to 125°C operating temperature. The supply voltage range is 1.65V to 3.6V, which overlaps with the primary part's 1.2V to 3.6V specification. The SN74LVCH245ADWR does not carry AEC-Q100 automotive qualification.
Q: What packaging formats are available for equivalent parts? A: Equivalent parts are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel, and Tube formats. Tape & Reel and Cut Tape & Digi-Reel formats are optimized for automated assembly and high-volume production. Tube packaging is suitable for lower-volume or manual assembly applications. Package format selection does not affect electrical performance.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the primary 74LVC245AD-Q100J part.
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