STM32F439IIT6Alternatives & Equivalent Parts
About STM32F439IIT6
STM32F439IIT6 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 | STM32F439IIT6Source | STM32F103VDT6 | STM32F407IET6 | SMAJ120A | TPS54240DGQR |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | LITTELFUSE | Texas Instruments |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Diodes Moulded | — |
| Pin Count | 176 | 100 | 176 | 2 | — |
| 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 | — |
| Price | $9.0340 | $4.9900 | $7.7204 | $0.0011 | $1.3623 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 14 Weeks | 13 Weeks | 15 Weeks | — | — |
| YTEOL | 9 | 9 | 9 | 6.48 | — |
| Has ADC | YES | YES | YES | — | — |
| Bit Size | 32 | 32 | 32 | — | — |
| Boundary Scan | YES | YES | YES | — | — |
| CPU Family | CORTEX-M4F | CORTEX-M3 | CORTEX-M4 | — | — |
| Clock Frequency-Max | 50 MHz | 16 MHz | 50 MHz | — | — |
| DAC Channels | YES | YES | YES | — | — |
| DMA Channels | YES | YES | YES | — | — |
| JESD-30 Code | S-PQFP-G176 | S-PQFP-G100 | S-PQFP-G176 | R-PDSO-C2 | — |
| JESD-609 Code | e3 | e3 | e3 | — | — |
| Number of DMA Channels | 2 | — | — | — | — |
| Number of I/O Lines | 140 | 80 | 140 | — | — |
| Number of Timers | 17 | 7 | — | — | — |
| On Chip Program ROM Width | 8 | 8 | 8 | — | — |
| PWM Channels | YES | YES | YES | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | QFP176,1.0SQ,20 | QFP100,.63SQ,20 | QFP176,1.0SQ,20 | — | — |
| Package Shape | SQUARE | SQUARE | SQUARE | RECTANGULAR | — |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| RAM (bytes) | 262144 | 65536 | 196608 | — | — |
| ROM (words) | 2097152 | 393216 | 524288 | — | — |
| ROM Programmability | FLASH | FLASH | FLASH | — | — |
| Speed | 180 MHz | 72 MHz | 168 MHz | — | — |
| Supply Current-Max | 140 mA | 70 mA | 109 mA | — | — |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | — | — |
| Supply Voltage-Min | 3.3 V | 3.3 V | 3.3 V | — | — |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | — | — |
| Surface Mount | YES | YES | YES | YES | — |
| Technology | CMOS | CMOS | CMOS | AVALANCHE | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | C BEND | — |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | — | — |
| Terminal Position | QUAD | QUAD | QUAD | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | 30 | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — |
| ## STM32F439IIT6 Alternates Showing results | Image | — | — | — | — |
| ## STM32F103VDT6 Alternates Showing results | — | Image | — | — | — |
| ## STM32F407IET6 Alternates Showing results | — | — | Image | — | — |
| Pbfree Code | — | — | — | No | — |
| Breakdown Voltage-Max | — | — | — | 147 V | — |
| Breakdown Voltage-Min | — | — | — | 133 V | — |
| Breakdown Voltage-Nom | — | — | — | 140 V | — |
| Clamping Voltage-Max | — | — | — | 193 V | — |
| Configuration | — | — | — | SINGLE, 1 CHANNEL | — |
| Diode Element Material | — | — | — | SILICON | — |
| Diode Type | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — |
| Forward Voltage-Max (VF) | — | — | — | 3.5 V | — |
| JEDEC-95 Code | — | — | — | DO-214AC | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 400 W | — |
| Number of Elements | — | — | — | 1 | — |
| Polarity | — | — | — | UNIDIRECTIONAL | — |
| Power Dissipation-Max | — | — | — | 3.3 W | — |
| Reference Standard | — | — | — | IEC-61000-4-2; UL RECOGNIZED | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 120 V | — |
| Reverse Current-Max | — | — | — | 1 µA | — |
| Reverse Test Voltage | — | — | — | 120 V | — |
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 4 alternatives for STM32F439IIT6 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for STM32F439IIT6 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 STM32F439IIT6 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 STM32F439IIT6?
Known equivalents for STM32F439IIT6 include STM32F103VDT6, STM32F407IET6, SMAJ120A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F439IIT6?
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 STM32F439IIT6 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.