Alternatives to Texas Instruments LM393M/NOPB
Texas Instruments LM393M/NOPB and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 LM393M/NOPBTexas Instruments |  LM393DRTexas Instruments |  LM393DTSTMicroelectronics | +2more | |
|---|---|---|---|---|
| FFF Compatibility | Features the identical 8-SOIC footprint and standard dual comparator pinout assignments.Both parts share identical physical package dimensions (8-SOIC, 3.90mm width).Fully matches the electrical performance, supply range, and general purpose comparator behavior of the original. | Features the identical 8-SOIC footprint and standard dual comparator pinout assignments.Both parts share identical physical package dimensions (8-SOIC, 3.90mm width).Fully matches all primary electrical specs including quiescent current and offset voltage. | ||
 AI Summary | LM393M/NOPB by Texas Instruments: Comparator Standard (General Purpose) Open-Collector, Rail-to-Rail 8-SOIC. | LM393DR is a direct, drop-in replacement from Texas Instruments that offers identical functionality and electrical characteristics in the same SOIC-8 package. It is widely available and typically packaged in Tape & Reel format instead of tubes.
| The LM393DT is a highly reliable direct second-source alternative from STMicroelectronics. It offers identical pinout and electrical performance to the TI baseline in the same SOIC-8 package.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Comparator Standard (General Purpose) Open-Collector, Rail-to-Rail 8-SOIC | Comparator Standard (General Purpose) Open-Collector, Rail-to-Rail 8-SOIC | Comparator Standard (General Purpose) Open-Collector, Rail-to-Rail 8-SOIC | |
| Manufacturer | Texas Instruments | Texas Instruments | STMicroelectronics | |
| Type | Linear | Linear | Linear | |
| Datasheet | Open | Open | Open | |
| Lead Time | 9 weeks | 16 weeks | 30 weeks | |
| Country of Origin | MY | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0090 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Type | Standard (General Purpose) | - | - | |
| Output Type | Open-Collector, Rail-to-Rail | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - | - | |
| Number of Elements | 2 | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 LM8261M5/NOPBTexas Instruments | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 LM45CIM3/NOPBTexas Instruments | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 LM339Nonsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 DS26LS31CM/NOPBTexas Instruments | Discontinued | Obsolete | 3Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Texas Instruments LM393M/NOPB is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the Texas Instruments LM393M/NOPB are the LM393DR (Texas Instruments) and the LM393DT (STMicroelectronics), out of 4 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Yes. The leading alternatives to the LM393M/NOPB are fit-, form- and function-compatible — the same package and pinout with matching key electrical specifications — so they drop in without PCB changes. Always confirm the parameters critical to your design against the alternative's datasheet before committing.
The LM393M/NOPB (Texas Instruments) is a part in the Linear category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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