Alternatives to onsemi MC14538BDTR2
onsemi MC14538BDTR2 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 MC14538BDTR2onsemi | MC14538BDTR2Gonsemi | NLV14538BDTR2Gonsemi | +2more | |
|---|---|---|---|---|
| FFF Compatibility | The package and pinout are identical to the original obsolete part.Exactly identical SOT-403 SMT TSSOP-16 physical dimensions.Direct RoHS upgrade with identical electrical specs, timing formulas, and drive currents. | Exactly identical package footprint and pin configuration.Identical TSSOP-16 body dimensions and mounting specifications.Meets and exceeds original specifications with PPAP capability and automotive grading. | ||
 AI Summary | MC14538BDTR2 by onsemi: Monostable Multivibrator 95 ns 16-TSSOP. | This is the official active lead-free (RoHS compliant) direct replacement for the obsolete MC14538BDTR2. It shares the exact same electrical characteristics, internal circuitry, and package dimensions, allowing for a seamless drop-in transition without any board modifications.
| This is the automotive-grade (AEC-Q100) sibling variant of the active MC14538BDTR2G. It offers identical functional, electrical, and physical characteristics but is qualified to higher reliability standards, making it an excellent alternative for critical applications.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | Discontinued | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Monostable Multivibrator 95 ns 16-TSSOP | Monostable Multivibrator 95 ns 16-TSSOP | Monostable Multivibrator 95 ns 16-TSSOP | |
| Manufacturer | onsemi | onsemi | onsemi | |
| Type | Logic | Logic | Logic | |
| Datasheet | Open | Open | Open | |
| Lead Time | 20 weeks | 41 weeks | 43 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0090 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Logic Type | Monostable | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | - | - | |
| Voltage - Supply | 3 V ~ 18 V | - | - | |
| Propagation Delay | 95 ns | - | - | |
| Independent Circuits | 2 | - | - | |
| Operating Temperature | -55°C ~ 125°C | - | - | |
| Schmitt Trigger Input | Yes | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 MC14538BDWR2onsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 MC1413BDR2onsemi | Discontinued | Obsolete | 7Alternatives availableSee Alternatives |
| MC14538BDWonsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
| MC14013BDonsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
| MC1413BDGonsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 MC1413DGonsemi | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The onsemi MC14538BDTR2 is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the onsemi MC14538BDTR2 are the MC14538BDTR2G (onsemi) and the NLV14538BDTR2G (onsemi), out of 4 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the MC14538BDTR2 are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The MC14538BDTR2 (onsemi) is a part in the Logic category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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