STM32F446ZET6Alternatives & Equivalent Parts
About STM32F446ZET6
STM32F446ZET6 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat Packages 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 | STM32F446ZET6Source | STM32F446ZCT7 | STM32F429ZIT6E | STM32F439ZGT6TR | STM32F439ZGT7TR |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 144 | 144 | 144 | 144 | 144 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C |
| Price | $5.5285 | — | — | $9.0941 | $8.4785 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 15 Weeks | — | — | 15 Weeks | 15 Weeks |
| YTEOL | 9 | 9 | 3 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | YES |
| Address Bus Width | 24 | 24 | 24 | — | — |
| Bit Size | 32 | 32 | 32 | 32 | 32 |
| CPU Family | CORTEX-M4F | CORTEX-M4F | — | CORTEX-M4F | CORTEX-M4F |
| Clock Frequency-Max | 16 MHz | 16 MHz | 26 MHz | 26 MHz | 26 MHz |
| DMA Channels | YES | YES | YES | YES | YES |
| External Data Bus Width | 32 | 32 | 32 | — | — |
| JESD-30 Code | S-PQFP-G144 | S-PQFP-G144 | — | S-PQFP-G144 | S-PQFP-G144 |
| Number of I/O Lines | 114 | 114 | 114 | 114 | 114 |
| On Chip Program ROM Width | 8 | 8 | — | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | QFP144,.87SQ,20 | QFP144,.87SQ,20 | — | QFP144,.87SQ,20 | QFP144,.87SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK | FLATPACK | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| RAM (bytes) | 131072 | 131072 | — | 262144 | 262144 |
| ROM (words) | 524288 | 262144 | — | 1048576 | 1048576 |
| ROM Programmability | FLASH | FLASH | — | FLASH | FLASH |
| Speed | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Supply Current-Max | 115 mA | 125 mA | — | 140 mA | 151 mA |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 1.7 V | 1.7 V | 1.7 V | 3.3 V | 3.3 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | — | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Boundary Scan | — | — | — | YES | YES |
| DAC Channels | — | — | — | YES | YES |
| JESD-609 Code | — | — | — | e3 | e3 |
| Number of DMA Channels | — | — | — | 16 | 16 |
| Number of Timers | — | — | — | 17 | 17 |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | 260 |
| Terminal Finish | — | — | — | Matte Tin (Sn) | Matte Tin (Sn) |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | NOT SPECIFIED |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 180MHz, CMOS, PQFP144
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 180MHz, CMOS, PQFP144
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 180MHz, CMOS, PQFP144
Why Look for Alternatives?
Finding alternatives for STM32F446ZET6 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 STM32F446ZET6 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 STM32F446ZET6?
Known equivalents for STM32F446ZET6 include STM32F446ZCT7, STM32F429ZIT6E, STM32F439ZGT6TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F446ZET6?
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 STM32F446ZET6 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.