STM32H7A3ZIT6Q - Cortex-M7 MCU 280MHz 2MB Flash | STMicroelectronics
MPN: STM32H7A3ZIT6Q ✓ פעילSTM32H7A3ZIT6Q סקירה
What is an ARM Cortex-M7 microcontroller? It is a 32-bit RISC processor core designed by Arm for embedded real-time workloads. The Cortex-M7 superset within the Cortex-M family introduces a six-stage superscalar pipeline, dual-issue capability, single/double-precision FPU, DSP extensions, and an instruction cache (I-cache) plus data cache (D-cache) with optional TCM (Tightly Coupled Memory) interfaces. In the broader taxonomy it sits above Cortex-M4 (no cache, no dual-issue) and below Cortex-A application processors, occupying the high-performance MCU tier.
Key features of the STM32H7A3ZIT6Q include the Cortex-M7 core with double-precision FPU and L1 cache (16 KB I-cache + 16 KB D-cache), Chrom-ART graphics accelerator for TFT-LCD pipelines, up to 1.4 MB contiguous SRAM with multiple block options, two 16-bit ADCs (up to 3.6 MSPS), two 12-bit DACs, multiple U(S)ART/SPI/I2C/FDCAN/USB interfaces, SDMMC, Ethernet MAC, and a JTAG/SWD debug interface. The device integrates a 32-bit timer, 16-bit timers, and an HRTIM high-resolution timer for power-conversion control.
Architecturally, the H7A3 line leverages ST's 40 nm embedded-Flash process, with bus-matrix decoupling of code (TCM), main SRAM, and peripherals for deterministic interrupt latency. The dual-bank Flash supports read-while-write, allowing firmware updates without halting execution. Cryptography acceleration (AES, SHA, RNG) is included for secure-boot and TLS workloads.
Typical applications include industrial motor control (field-oriented control of PMSM and induction motors via HRTIM), HMI panels with TFT-LCD rendered through Chrom-ART, building-automation controllers, solar inverters, EV charging station control boards, and audio DSP front-ends. The wide temperature range and AEC-Q100 grade extend fit to chassis ECUs and body controllers.
Design consideration: at 280 MHz the device dissipates roughly 250-400 mW depending on peripheral activity; a four-layer PCB with a continuous ground plane beneath the LQFP exposed pad is recommended to keep junction temperature within the 125 C industrial limit. Use ST's STM32CubeMX to generate pin-multiplexing tables and the HAL/LOWER-LAYER driver scaffolding.
This page synthesizes distributor pricing, drop-in same-package alternatives, and AEC-Q100 design notes not found on the standalone manufacturer datasheet.
חלופות תחליף ישיר עבור STM32H7A3ZIT6Q — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
STM32H7A3ZIT6
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32H7B3ZIT6Q
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32H7A3AII6Q
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32H7A3ZIT6Q דירוגים מרביים ומאפיינים חשמליים
| Core | ARM Cortex-M7 32-bit RISC |
| תדר שעון מקסימלי | 280 MHz |
| FPU | Double-precision |
| DSP Extensions | Yes (single-cycle MAC, SIMD) |
| L1 Cache | 16 KB I-cache + 16 KB D-cache |
| Flash Memory | 2 MB (2M x 8) |
| SRAM | 1376 KB |
| מארז | 144-LQFP (20x20 mm) |
| Operating Voltage | 1.62 V to 3.6 V |
| טמפרטורת פעולה | -40 C to +125 C (industrial, AEC-Q100 grade) |
| סוג הרכבה | Surface Mount |
| ADC | 2x 16-bit, up to 3.6 MSPS |
| DAC | 2x 12-bit |
| Communication Interfaces | U(S)ART, SPI, I2C, FDCAN, USB OTG, SDMMC, Ethernet MAC |
| Graphics Accelerator | Chrom-ART (DMA2D) |
| Timers | 32-bit, 16-bit, HRTIM (high-resolution) |
| Cryptography | AES-256, SHA-256, TRNG |
| סטטוס RoHS | Compliant |
תצורת פינים של STM32H7A3ZIT6Q
| פין 1 | PE2 — GPIO PE2 / TRACECLK / SPI4_SCK / SAI1_MCLK_A / TIM9_CH1 / ETH_MII_TXD3 |
| פין 2 | PE3 — GPIO PE3 / TRACED0 / SAI1_SD_B |
| פין 3 | PE4 — GPIO PE4 / TRACED1 / SPI4_NSS / SAI1_FS_A / DFSDM1_DATIN3 |
| פין 4 | PE5 — GPIO PE5 / TRACED2 / TIM9_CH2 / SPI4_MISO / SAI1_SCK_A |
| פין 5 | PE6 — GPIO PE6 / TRACED3 / TIM1_BKIN / SPI4_MOSI / SAI1_SD_A |
| פין 6 | VBAT — Battery backup domain supply |
| פין 7 | PC13 — GPIO PC13 / RTC_TAMP1 / RTC_OUT |
| פין 8 | PC14 — GPIO PC14 / OSC32_IN (LSE) |
| פין 9 | PC15 — GPIO PC15 / OSC32_OUT (LSE) |
| פין 10 | VSS — Ground |
| פין 11 | VDD — Digital supply 1.62-3.6 V |
| פין 12 | OSC_IN — HSE oscillator input |
| פין 13 | OSC_OUT — HSE oscillator output |
| פין 14 | NRST — Reset input (active low) |
| פין 15 | PA0 — GPIO PA0 / TIM2_CH1 / TIM5_CH1 / UART4_TX |
| פין 16 | PA1 — GPIO PA1 / TIM2_CH2 / TIM5_CH2 / UART4_RX |
| פין 17 | PA2 — GPIO PA2 / TIM2_CH3 / TIM5_CH3 / USART2_TX |
| פין 18 | PA3 — GPIO PA3 / TIM2_CH4 / TIM5_CH4 / USART2_RX |
| פין 19 | VSS — Ground |
| פין 20 | VDD — Digital supply |
| פין 21 | PA4 — GPIO PA4 / SPI1_NSS / SPI3_NSS / USART2_CK / DAC1_OUT |
| פין 22 | PA5 — GPIO PA5 / TIM2_CH1 / TIM8_CH1N / SPI1_SCK / DAC2_OUT |
| פין 23 | PA6 — GPIO PA6 / TIM1_BKIN / SPI1_MISO / TIM3_CH1 |
| פין 24 | PA7 — GPIO PA7 / TIM1_CH1N / SPI1_MOSI / TIM3_CH2 / ETH_MII_RX_DV |
| פין 25 | PC4 — GPIO PC4 / USART1_TX / SPI1_MISO / ETH_MII_RXD0 |
| פין 26 | PC5 — GPIO PC5 / USART1_RX / SPI1_MOSI / ETH_MII_RXD1 |
| פין 27 | PB0 — GPIO PB0 / TIM1_CH2N / TIM3_CH3 / SPI5_SCK / ETH_MII_RXD2 |
| פין 28 | PB1 — GPIO PB1 / TIM1_CH3N / TIM3_CH4 / SPI5_MISO / ETH_MII_RXD3 |
| פין 29 | PB2 — GPIO PB2 / SAI1_SD_A / SPI3_MOSI / TIM8_CH1N |
| פין 30 | PE7 — GPIO PE7 / TIM1_ETR / UART7_RX / SPI5_SCK |
| פין 31 | PE8 — GPIO PE8 / TIM1_CH1N / UART7_TX / SPI5_MISO |
| פין 32 | PE9 — GPIO PE9 / TIM1_CH1 / UART7_RTS / SPI5_MOSI |
| פין 33 | PE10 — GPIO PE10 / TIM1_CH2N / UART7_CTS |
| פין 34 | PE11 — GPIO PE11 / TIM1_CH2 / SPI4_NSS |
| פין 35 | PE12 — GPIO PE12 / TIM1_CH3N / SPI4_SCK |
| פין 36 | PE13 — GPIO PE13 / TIM1_CH3 / SPI4_MISO |
| פין 37 | PE14 — GPIO PE14 / TIM1_CH4 / SPI4_MOSI |
| פין 38 | PE15 — GPIO PE15 / TIM1_BKIN / USART1_CK |
| פין 39 | PB10 — GPIO PB10 / TIM2_CH3 / I2C2_SCL / SPI2_SCK / USART3_TX |
| פין 40 | PB11 — GPIO PB11 / TIM2_CH4 / I2C2_SDA / SPI2_MISO / USART3_RX |
| פין 41 | VCAP_1 — Core regulator decoupling capacitor pin |
| פין 42 | VDD — Digital supply |
| פין 43 | PH14 — GPIO PH14 / TIM8_CH2N / UART4_TX |
| פין 44 | PH15 — GPIO PH15 / TIM8_CH3N / UART4_RX |
| פין 45 | PA8 — GPIO PA8 / TIM1_CH1 / USART1_CK / OTG_FS_SOF / MCO1 |
| פין 46 | PA9 — GPIO PA9 / TIM1_CH2 / USART1_TX / OTG_FS_VBUS |
| פין 47 | PA10 — GPIO PA10 / TIM1_CH3 / USART1_RX / OTG_FS_ID |
| פין 48 | PA11 — GPIO PA11 / TIM1_CH4 / USART1_CTS / CAN1_RX / OTG_FS_DM |
| פין 49 | PA12 — GPIO PA12 / TIM1_ETR / USART1_RTS / CAN1_TX / OTG_FS_DP |
| פין 50 | PA13 — GPIO PA13 / JTMS-SWDIO |
| פין 51 | VCAP_2 — Core regulator decoupling capacitor pin |
| פין 52 | VDD — Digital supply |
| פין 53 | PA14 — GPIO PA14 / JTCK-SWCLK |
| פין 54 | PA15 — GPIO PA15 / JTDI / TIM2_CH1 / SPI1_NSS / SPI3_NSS / UART4_RTS |
| פין 55 | PC10 — GPIO PC10 / SPI3_SCK / USART3_TX / UART4_TX |
| פין 56 | PC11 — GPIO PC11 / SPI3_MISO / USART3_RX / UART4_RX |
| פין 57 | PC12 — GPIO PC12 / SPI3_MOSI / USART3_CK / UART5_TX |
| פין 58 | PD0 — GPIO PD0 / CAN1_RX / SPI4_MISO / SAI1_SD_A / UART4_RX |
| פין 59 | PD1 — GPIO PD1 / CAN1_TX / SPI4_MOSI / SAI1_FS_A / UART5_RX |
| פין 60 | PD2 — GPIO PD2 / TIM3_ETR / UART5_RX / SDMMC1_CMD |
| פין 61 | PD3 — GPIO PD3 / SPI2_SCK / USART2_CTS / SDMMC1_D0 |
| פין 62 | PD4 — GPIO PD4 / USART2_RTS / SDMMC1_D1 |
| פין 63 | PD5 — GPIO PD5 / USART2_TX / SDMMC1_D2 |
| פין 64 | VSS — Ground |
| פין 65 | VDD — Digital supply |
| פין 66 | PB6 — GPIO PB6 / TIM4_CH1 / I2C1_SCL / USART1_TX / CAN2_TX / SDMMC1_D3 |
| פין 67 | PB7 — GPIO PB7 / TIM4_CH2 / I2C1_SDA / USART1_RX / CAN2_RX / SDMMC1_D4 |
| פין 68 | BOOT0 — Boot mode select (0=Flash, 1=System Memory bootloader) |
| פין 69 | PB8 — GPIO PB8 / TIM4_CH3 / I2C1_SCL / SDMMC1_D5 / UART5_RX |
| פין 70 | PB9 — GPIO PB9 / TIM4_CH4 / I2C1_SDA / SDMMC1_D6 / UART5_TX |
| פין 71 | PE0 — GPIO PE0 / TIM4_ETR / UART8_RX / SAI1_MCLK_B / SDMMC1_D7 |
| פין 72 | PE1 — GPIO PE1 / UART8_TX / SAI1_SD_B |
| פין 73 | VSS — Ground |
| פין 74 | VDD — Digital supply |
| פין 75 | VSS — Ground (analog) |
| פין 76 | VDDA — Analog supply (for ADC/DAC) |
| פין 77 | VREF+ — ADC positive reference voltage |
| פין 78 | PA0 — [DATA_NEEDED: pin description] |
| פין 79 | PA1 — [DATA_NEEDED: pin description] |
| פין 80 | VREF- — ADC negative reference |
| פין 81 | PA2 — [DATA_NEEDED: pin description] |
| פין 82 | PA3 — [DATA_NEEDED: pin description] |
| פין 83 | VSSA — Analog ground |
| פין 84 | PB12 — GPIO PB12 / TIM4_CH1 / I2C2_SCL / SPI2_NSS / USART3_CK / CAN2_RX / OTG_HS_ID |
| פין 85 | PB13 — GPIO PB13 / TIM4_CH2 / SPI2_SCK / USART3_CTS / CAN2_TX / OTG_HS_VBUS |
| פין 86 | PB14 — GPIO PB14 / TIM4_CH3 / SPI2_MISO / USART3_RTS |
| פין 87 | PB15 — GPIO PB15 / TIM4_CH4 / SPI2_MOSI |
| פין 88 | PD8 — GPIO PD8 / USART3_TX / SDMMC1_D0 |
| פין 89 | PD9 — GPIO PD9 / USART3_RX / SDMMC1_D1 |
| פין 90 | PD10 — GPIO PD10 / USART3_CK / SDMMC1_D2 |
| פין 91 | PD11 — GPIO PD11 / USART3_CTS / SDMMC1_D3 |
| פין 92 | PD12 — GPIO PD12 / TIM4_CH1 / USART3_RTS |
| פין 93 | PD13 — GPIO PD13 / TIM4_CH2 / UART8_CTS |
| פין 94 | VSS — Ground |
| פין 95 | VDD — Digital supply |
| פין 96 | PD14 — GPIO PD14 / TIM4_CH3 / UART8_CTS |
| פין 97 | PD15 — GPIO PD15 / TIM4_CH4 / UART8_RTS |
| פין 98 | PG6 — GPIO PG6 / TIM12_CH1 |
| פין 99 | PG7 — GPIO PG7 / TIM12_CH2 / UART6_RTS |
| פין 100 | PG8 — GPIO PG8 / TIM12_CH3 / UART6_CTS / SPI6_NSS / SDMMC1_D4 |
| פין 101 | VSS — Ground |
| פין 102 | VDD — Digital supply |
| פין 103 | PG9 — GPIO PG9 / USART6_TX / SPI1_MISO / SDMMC1_D5 |
| פין 104 | PG10 — GPIO PG10 / USART6_RX / SPI1_MOSI / SDMMC1_D6 |
| פין 105 | PG11 — GPIO PG11 / USART6_CTS / SPI1_SCK / SDMMC1_D7 |
| פין 106 | PG12 — GPIO PG12 / USART6_RTS / SPI6_NSS / SDMMC1_D0 |
| פין 107 | PG13 — GPIO PG13 / USART6_CK / SPI6_SCK / SDMMC1_D1 |
| פין 108 | PG14 — GPIO PG14 / USART6_TX / SPI6_MISO / SDMMC1_D2 |
| פין 109 | VSS — Ground |
| פין 110 | VDD — Digital supply |
| פין 111 | PG15 — GPIO PG15 / USART6_CTS / SDMMC1_CK |
| פין 112 | PB3 — GPIO PB3 / JTDO-SWO / TIM2_CH2 / SPI1_SCK / SPI3_SCK |
| פין 113 | PB4 — GPIO PB4 / NJTRST / TIM3_CH1 / SPI1_MISO / SPI3_MISO |
| פין 114 | PB5 — GPIO PB5 / TIM3_CH2 / I2C1_SMBA / SPI1_MOSI / SPI3_MOSI |
| פין 115 | PG0 — GPIO PG0 / TIM8_CH1N / UART9_RX |
| פין 116 | PG1 — GPIO PG1 / TIM8_CH1 / UART9_TX |
| פין 117 | PG2 — GPIO PG2 / TIM8_CH2N |
| פין 118 | PG3 — GPIO PG3 / TIM8_CH2 |
| פין 119 | PG4 — GPIO PG4 / TIM8_CH3 |
| פין 120 | PG5 — GPIO PG5 / TIM8_CH3N |
| פין 121 | PA8 — [DATA_NEEDED: pin description] |
| פין 122 | PA9 — [DATA_NEEDED: pin description] |
| פין 123 | PA10 — [DATA_NEEDED: pin description] |
| פין 124 | PA11 — [DATA_NEEDED: pin description] |
| פין 125 | PA12 — [DATA_NEEDED: pin description] |
| פין 126 | PA13 — [DATA_NEEDED: pin description] |
| פין 127 | VSS — Ground |
| פין 128 | VDD — Digital supply |
| פין 129 | PA14 — [DATA_NEEDED: pin description] |
| פין 130 | PA15 — [DATA_NEEDED: pin description] |
| פין 131 | PC6 — GPIO PC6 / TIM3_CH1 / USART6_TX / SDMMC1_D0 |
| פין 132 | PC7 — GPIO PC7 / TIM3_CH2 / USART6_RX / SDMMC1_D1 |
| פין 133 | PC8 — GPIO PC8 / TIM3_CH3 / USART6_CK / SDMMC1_D2 |
| פין 134 | PC9 — GPIO PC9 / TIM3_CH4 / USART6_CTS / SDMMC1_D3 |
| פין 135 | PA0 — [DATA_NEEDED: pin description] |
| פין 136 | VSS — Ground |
| פין 137 | VDD — Digital supply |
| פין 138 | PA1 — [DATA_NEEDED: pin description] |
| פין 139 | PA2 — [DATA_NEEDED: pin description] |
| פין 140 | PA3 — [DATA_NEEDED: pin description] |
| פין 141 | PA4 — [DATA_NEEDED: pin description] |
| פין 142 | PA5 — [DATA_NEEDED: pin description] |
| פין 143 | VSS — Ground |
| פין 144 | VDD — Digital supply |
יישומים טיפוסיים
STM32H7A3ZIT6Q מתאים עבור 6 יישוםs: Industrial Motor Control (FOC / PMSM Drive), Automotive Body / Chassis ECU, HMI / TFT-LCD Touch Panel Controller, Solar Inverter / Power Conversion Controller, Audio DSP Front-End / Pro-Audio Mixer, Industrial Gateway / Edge Controller.
Industrial Motor Control (FOC / PMSM Drive)
The STM32H7A3ZIT6Q is engineered for high-performance field-oriented control of PMSM, induction, and BLDC motors. Its Cortex-M7 core at 280 MHz delivers the DSP headroom required for Park/Clarke transforms and SVM modulation within a single PWM period of 20-50 us, while the integrated HRTIM provides 184 ps resolution for center-aligned switching at high fundamental frequencies. The two 16-bit ADCs with 3.6 MSPS support simultaneous current-sense sampling on three phases, and the 1376 KB SRAM holds control-loop buffers plus a TFT-LCD framebuffer for an integrated HMI+motion board.
מומלץ
Automotive Body / Chassis ECU
AEC-Q100 grade 'Q' qualification plus the -40 C to +125 C operating range make the STM32H7A3ZIT6Q a strong fit for body controllers, door-zone modules, and chassis ECUs. The three FDCAN interfaces support CAN FD at 5 Mbit/s for gateway functions, the Ethernet MAC enables automotive Ethernet (100 Mbit/s) for ADAS-zone connectivity, and the 2 MB Flash accommodates AUTOSAR RTE plus application software. Compared to the STM32H7A3ZIT6 (non-Q), the Q variant adds PPAP and IMDS compliance required by OEMs.
מומלץ
HMI / TFT-LCD Touch Panel Controller
The Chrom-ART (DMA2D) accelerator and 1376 KB SRAM allow the STM32H7A3ZIT6Q to drive WQVGA (480x272) or QVGA (320x240) TFT-LCDs without external graphics memory. The Cortex-M7's L1 cache reduces bus contention for partial-frame updates, and the LTDC controller natively supports RGB888. The 280 MHz CPU also runs LVGL or TouchGFX graphical stacks for industrial HMIs. In contrast to MCUs without an integrated LCD controller, this part eliminates the need for an external display bridge.
מומלץ
Solar Inverter / Power Conversion Controller
For solar micro-inverters and string inverters, the STM32H7A3ZIT6Q's HRTIM with 184 ps resolution drives SiC MOSFETs at 100 kHz+ switching frequencies with precise dead-time insertion, while the two 16-bit ADCs sample inductor current and PV string voltage simultaneously. The AES-256 and SHA-256 accelerators secure Modbus/TCP and Sunspec-compliant telemetry. Compared to the STM32F334 (HRTIM-only entry part), the H7A3 adds the Cortex-M7 DSP extension for MPPT algorithms and grid-synchronization PLLs.
מומלץ
Audio DSP Front-End / Pro-Audio Mixer
The Cortex-M7 with single-precision FPU and SIMD DSP extensions supports 8-16 channel audio mixing at 48 kHz/24-bit on the STM32H7A3ZIT6Q. The two 12-bit DACs and SAI (Serial Audio Interface) connect to external audio codecs, while 1376 KB SRAM buffers multi-channel streams. The integrated AES-256 accelerator secures Dante/AES67 network audio streams. Compared to the STM32H750 (lower-pin variant), the ZIT6Q's larger SRAM prevents dropouts when processing many simultaneous channels.
מומלץ
Industrial Gateway / Edge Controller
The Ethernet MAC, three FDCANs, USB OTG, and SDMMC make the STM32H7A3ZIT6Q a strong fit for industrial protocol gateways (Profinet, EtherCAT, Modbus TCP). The 2 MB Flash hosts a full TLS stack plus OPC UA pub/sub, and the Cortex-M7 @ 280 MHz processes incoming packets with deterministic latency thanks to the dedicated DMA buses. The Q-grade temperature range supports outdoor cabinet deployment. Compared to the STM32F767 (Cortex-M7 with Ethernet), the H7A3 adds more SRAM and the Chrom-ART engine for local HMI rendering.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור STM32H7A3ZIT6Q — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | STM32H7A3ZIT6 | STM32H7B3ZIT6Q |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Core | Cortex-M7 @ 280 MHz | Cortex-M7 @ 280 MHz | Cortex-M7 @ 280 MHz |
| Flash | 2 MB | 2 MB | 2 MB |
| SRAM | 1376 KB | 1376 KB | 1376 KB |
| Operating Temperature | -40 C to +125 C (Q grade) | -40 C to +85 C | -40 C to +125 C (Q grade) |
| AEC-Q100 | Yes | No | Yes |
| Chrom-ART (DMA2D) | Yes | Yes | Yes |
מבדילים עיקריים
- AEC-Q100 grade Q qualification (לעומתSTM32H7A3ZIT6)
- Octo-SPI external memory interface (לעומתSTM32H7A3ZIT6)
- Larger 144-LQFP with 112 GPIO (לעומתSTM32H7A3LIH6Q (LQFP64))
הערות תכנון
Use a four-layer PCB with a continuous ground plane beneath the LQFP144 footprint. Place 100 nF decoupling capacitors on every VDD pin, plus a 4.7 uF bulk capacitor per supply rail. Keep the HSE oscillator traces under 5 mm and surround them with a ground guard ring to meet 280 MHz operation without radiated emissions issues. Reference ST application note AN5787 for H7 PCB layout.
Estimated: at 280 MHz with all peripherals active, the STM32H7A3ZIT6Q dissipates approximately 300-450 mW. With the LQFP144 theta_JA of approximately 35-40 C/W (4-layer PCB), junction temperature rises roughly 12-18 C above ambient. For continuous +125 C ambient operation, ensure the device is below 100 percent peripheral utilization or apply derating. Use ST's STM32CubeIDE power calculator for exact figures.
Do not connect VCAP_1 and VCAP_2 to anything other than 2.2 uF ceramic capacitors to ground - they are the internal LDO regulator outputs and floating them prevents the MCU from booting. Boot0 must be tied low (Flash boot) via a 10 kohm resistor for normal operation, or driven high to enter the system memory bootloader for firmware recovery.
מידע על תאימות
AEC-Q100 grade 'Q' qualified per STMicroelectronics product datasheet. RoHS and REACH compliant. Lead-free and halogen-free packaging.
