LM397MF/NOPBAlternatives & Equivalent Parts
About LM397MF/NOPB
LM397MF/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LM397MF/NOPBSource | SN74AHC1G04DCKRE4 | ATMEGA324PV-10AU | ATMEGA325PV-10AU | LM397MFX/NOPB | LM397MF |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Microchip | Microchip | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Quad Flat Packages | Quad Flat Packages | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 44 | 64 | 5 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2625 | $0.1069 | $4.5900 | $3.9608 | $0.1836 | $0.2625 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | — |
| YTEOL | 15 | 15 | 14 | 14 | 15 | 0 |
| Amplifier Type | COMPARATOR | — | — | — | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.4 µA | — | — | — | 0.4 µA | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.25 µA | — | — | — | 0.25 µA | 0.25 µA |
| Input Offset Voltage-Max | 7000 µV | — | — | — | 7000 µV | 7000 µV |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | S-PQFP-G44 | S-PQFP-G64 | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e3 | e4 | e3 | e3 | e3 | e0 |
| Number of Functions | 1 | 1 | — | — | 1 | 1 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN | — | — | — | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSSOP5/6,.08 | TQFP44,.47SQ,32 | TQFP64,.63SQ,32 | TSOP5/6,.11,37 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | — | — | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 940000 ns | — | — | — | 940000 ns | 940000 ns |
| Subcategory | Comparator | — | — | — | Comparator | Comparator |
| Supply Current-Max | 1 mA | — | 9 mA | 12 mA | 1 mA | 1 mA |
| Supply Voltage Limit-Max | 30 V | — | — | — | 30 V | 30 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | — | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.953 mm | 0.65 mm | 0.8 mm | 0.8 mm | 0.953 mm | 0.953 mm |
| Terminal Position | DUAL | DUAL | QUAD | QUAD | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 40 | — | 30 | — |
| ## LM397MF/NOPB Alternates Showing results | Image | — | — | — | — | — |
| Date Of Intro | — | 1996-05-01 | — | — | — | — |
| Family | — | AHC/VHC/H/U/V | — | — | — | — |
| Load Capacitance (CL) | — | 50 pF | — | — | — | — |
| Logic IC Type | — | INVERTER | — | — | — | — |
| Max I(ol) | — | 0.008 A | — | — | — | — |
| Number of Inputs | — | 1 | — | — | — | — |
| Power Supply Current-Max (ICC) | — | 0.01 mA | — | — | — | — |
| Prop. Delay@Nom-Sup | — | 8.5 ns | — | — | — | — |
| Propagation Delay (tpd) | — | 12 ns | — | — | — | — |
| Schmitt Trigger | — | NO | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | 2 V | — | — | — | — |
| Technology | — | CMOS | CMOS | CMOS | — | — |
| ## SN74AHC1G04DCKRE4 Alternates Showing results | — | Image | — | — | — | — |
| Manufacturer Package Code | — | — | TQFP-44 | TQFP-64 | — | — |
| Factory Lead Time | — | — | 9 Weeks | 10 Weeks | — | — |
| Has ADC | — | — | YES | YES | — | — |
| Additional Feature | — | — | OPERATES AT 1.8 V MIMIMUM SUPPLY AT 4 MHZ | — | — | — |
| Bit Size | — | — | 8 | 8 | — | — |
| Boundary Scan | — | — | YES | YES | — | — |
| CPU Family | — | — | AVR RISC | AVR RISC | — | — |
| Clock Frequency-Max | — | — | 8 MHz | 10 MHz | — | — |
| DAC Channels | — | — | NO | YES | — | — |
| DMA Channels | — | — | YES | NO | — | — |
| Number of I/O Lines | — | — | 32 | 54 | — | — |
| On Chip Program ROM Width | — | — | 8 | 8 | — | — |
| PWM Channels | — | — | YES | YES | — | — |
| RAM (bytes) | — | — | 2048 | 2048 | — | — |
| ROM (words) | — | — | 16384 | 32768 | — | — |
| ROM Programmability | — | — | FLASH | FLASH | — | — |
| Screening Level | — | — | TS 16949 | — | — | — |
| Speed | — | — | 10 MHz | 10 MHz | — | — |
| Supply Voltage-Max | — | — | 5.5 V | 5.5 V | — | — |
| Supply Voltage-Min | — | — | 5 V | 3 V | — | — |
| Supply Voltage-Nom | — | — | 5 V | 3 V | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — |
| ## ATMEGA324PV-10AU Alternates Showing results | — | — | Image | — | — | — |
| Number of External Interrupts | — | — | — | 1 | — | — |
| Number of Serial I/Os | — | — | — | 5 | — | — |
| Number of Timers | — | — | — | 3 | — | — |
| On Chip Data RAM Width | — | — | — | 8 | — | — |
| ## ATMEGA325PV-10AU Alternates Showing results | — | — | — | Image | — | — |
| ## LM397MF Alternates Showing results | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for LM397MF/NOPB — response within 24 hours.
Quick Links
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Comparator, 1 Func, 7000uV Offset-Max, 940000ns Response Time, PDSO5
Why Look for Alternatives?
Finding alternatives for LM397MF/NOPB is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM397MF/NOPB replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to LM397MF/NOPB?
Known equivalents for LM397MF/NOPB include SN74AHC1G04DCKRE4, ATMEGA324PV-10AU, ATMEGA325PV-10AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM397MF/NOPB?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM397MF/NOPB alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.