STM32L432KCU6Alternatives & Equivalent Parts
About STM32L432KCU6
STM32L432KCU6 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat No-Lead 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 | STM32L432KCU6Source | STM32G431RBT6TR | STM32L432KCU3 | STM32F446RET6TR | SMBJ58CA | STM32L431KCU6 | STM32L442KCU6 | STM32L432KBU6 | STM32L412KBU6 | STM32L431KBU6 | STM32L422KBU6 | STM32L431KBU3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | LITTELFUSE | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat Packages | Quad Flat No-Lead | Quad Flat Packages | Diodes Moulded Non Polarised | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 33 | 64 | 33 | 64 | 2 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | -65.0°C ~ 150.0°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 | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $2.2300 | $2.9963 | $2.7705 | $4.9197 | $0.0203 | $2.1317 | $2.5987 | $2.0760 | $1.5500 | $1.7986 | $1.8912 | $2.2887 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | TRANSFERRED | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Manufacturer Package Code | UFQFPN 32 5x5x0.55 | — | — | — | — | UFQFPN 32 5x5x0.55 | UFQFPN 32 5x5x0.55 | UFQFPN 32 5x5x0.55 | — | UFQFPN 32 5x5x0.55 | — | — |
| Date Of Intro | 2018-05-25 | — | 2018-05-25 | — | — | — | — | 2018-05-25 | — | — | — | — |
| YTEOL | 9 | 9 | 9 | 9 | 7 | 9 | 8 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | — | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | — | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | YES | YES | — | YES | — | — | YES | — | YES | YES | YES | YES |
| CPU Family | CORTEX-M4 | CORTEX-M4 | — | CORTEX-M4 | — | — | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | 26 MHz | — | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DAC Channels | YES | YES | — | YES | — | — | YES | YES | NO | YES | NO | YES |
| DMA Channels | YES | YES | YES | YES | — | YES | YES | YES | YES | YES | YES | YES |
| Format | FLOATING-POINT | FLOATING POINT | — | FLOATING POINT | — | — | FLOATING POINT | — | FLOATING-POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT |
| Integrated Cache | YES | YES | — | NO | — | — | YES | — | YES | YES | NO | YES |
| JESD-30 Code | S-XQCC-N32 | S-PQFP-G64 | — | S-PQFP-G64 | R-PDSO-C2 | — | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-PQCC-N32 |
| JESD-609 Code | e3 | — | e3 | — | e3 | e3 | — | e3 | — | e3 | — | — |
| Low Power Mode | YES | YES | — | YES | — | — | YES | — | YES | YES | YES | YES |
| Number of DMA Channels | 14 | 12 | — | 2 | — | — | 14 | — | 14 | 14 | 14 | 14 |
| Number of External Interrupts | 16 | 7 | — | 16 | — | — | 16 | — | 16 | 16 | 16 | 16 |
| Number of I/O Lines | 26 | 52 | 26 | 50 | — | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Number of Serial I/Os | 3 | 5 | — | 6 | — | — | 5 | — | 3 | 4 | 3 | 4 |
| Number of Timers | 9 | 12 | — | 15 | — | — | 9 | — | 8 | 9 | 8 | 9 |
| On Chip Data RAM Width | 8 | 8 | — | 8 | — | — | 8 | — | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | — | 8 | — | — | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | — | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | PLASTIC/EPOXY |
| Package Equivalence Code | LCC32,.2SQ,20 | QFP64,.47SQ,20 | — | QFP64,.47SQ,20 | — | — | LCC32,.2SQ,20 | — | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | NOT SPECIFIED | 260 | 260 | — | 260 | 260 | 260 | 260 | NOT SPECIFIED |
| RAM (bytes) | 65536 | 32768 | — | 135168 | — | — | 65536 | 65536 | 40960 | 65536 | 40960 | 65536 |
| ROM (words) | 262144 | 131072 | — | 524288 | — | — | 262144 | 131072 | 131072 | 131072 | 131072 | 131072 |
| ROM Programmability | FLASH | FLASH | — | FLASH | — | — | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 80 MHz | 170 MHz | 80 MHz | 180 MHz | — | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Supply Current-Max | 9.8 mA | 33 mA | — | 115 mA | — | — | 9.7 mA | — | 7.8 mA | 100 mA | 8.4 mA | 10.3 mA |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | 3.6 V | — | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 1.8 V | 1.71 V | 1.71 V | 2.4 V | — | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.71 V |
| Supply Voltage-Nom | 1.8 V | 3 V | 1.8 V | 2.4 V | — | 3 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | — | CMOS | AVALANCHE | — | CMOS | — | CMOS | CMOS | CMOS | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | Tin (Sn) - immersion | Matte Tin (Sn) | — | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) | Tin (Sn) - immersion | Matte Tin (Sn) | Tin (Sn) - immersion | — |
| Terminal Form | NO LEAD | GULL WING | NO LEAD | GULL WING | C BEND | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | — | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | DUAL | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Factory Lead Time | — | 12 Weeks | 12 Weeks | 15 Weeks | — | — | 12 Weeks | — | — | 12 Weeks | 12 Weeks | 12 Weeks |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | NOT SPECIFIED | 40 | — | — | — | — | 30 | — | NOT SPECIFIED |
| Qualification Status | — | — | — | Not Qualified | Not Qualified | — | — | — | — | — | — | — |
| Temperature Grade | — | — | — | INDUSTRIAL | — | — | — | — | — | INDUSTRIAL | — | — |
| ## STM32F446RET6TR Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | — | No | — | — | — | — | — | — | — |
| Additional Feature | — | — | — | — | EXCELLENT CLAMPING CAPABILITY | — | — | — | — | — | — | — |
| Breakdown Voltage-Max | — | — | — | — | 71.2 V | — | — | — | — | — | — | — |
| Breakdown Voltage-Min | — | — | — | — | 64.4 V | — | — | — | — | — | — | — |
| Breakdown Voltage-Nom | — | — | — | — | 67.8 V | — | — | — | — | — | — | — |
| Clamping Voltage-Max | — | — | — | — | 93.6 V | — | — | — | — | — | — | — |
| Configuration | — | — | — | — | SINGLE | — | — | — | — | — | — | — |
| Diode Element Material | — | — | — | — | SILICON | — | — | — | — | — | — | — |
| Diode Type | — | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | — | — | — | — | — | — |
| JEDEC-95 Code | — | — | — | — | DO-214AA | — | — | — | — | — | — | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | — | 600 W | — | — | — | — | — | — | — |
| Number of Elements | — | — | — | — | 1 | — | — | — | — | — | — | — |
| Polarity | — | — | — | — | BIDIRECTIONAL | — | — | — | — | — | — | — |
| Power Dissipation-Max | — | — | — | — | 5 W | — | — | — | — | — | — | — |
| Reference Standard | — | — | — | — | IEC-61000-4-2, 4-4; UL RECOGNIZED | — | — | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | — | 58 V | — | — | — | — | — | — | — |
| Reverse Current-Max | — | — | — | — | 1 µ A | — | — | — | — | — | — | — |
| Reverse Test Voltage | — | — | — | — | 58 V | — | — | — | — | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC32
Why Look for Alternatives?
Finding alternatives for STM32L432KCU6 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 STM32L432KCU6 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 STM32L432KCU6?
Known equivalents for STM32L432KCU6 include STM32G431RBT6TR, STM32L432KCU3, STM32F446RET6TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32L432KCU6?
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 STM32L432KCU6 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.