STMicroelectronics STM32L422TBY6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.17 | $5.17 |
| 15+ | $3.39 | $50.85 |
| 25+ | $3.32 | $83.00 |
| 50+ | $3.14 | $157.00 |
| 100+ | $2.77 | $277.00 |
| N+ | $0.55 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | I2C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 30 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 40K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 36-WLCSP (2.58x3.07) |
| Package / Case | 36-UFBGA, WLCSP |
| ROHS |  |
The STM32L422TBY6TR is an ultra-low-power ARM Cortex-M4 MCU from STMicroelectronics. It runs at 80MHz with FPU, offering 128KB flash and 40KB SRAM. The 36-pin WLCSP package is ideal for space-constrained designs. With a 1.71V-3.6V supply, it excels in battery-powered IoT and wearable applications. Integrated DMA and PWM enhance peripheral throughput.
- 80MHz Cortex-M4 with FPU: Provides DSP capabilities for audio and sensor processing.
- Ultra-low power: Multiple low-power modes extend battery life in portable devices.
- WLCSP package: Reduces board area by up to 60% compared to QFN.
- 1.71V operation: Allows direct power from a single alkaline cell.
Wearable Fitness Trackers
The 1.71V operation and 80MHz Cortex-M4 allow complex sensor fusion algorithms while maintaining low power. The WLCSP saves space in wrist-worn designs.
IoT Sensor Nodes
Use its DMA and multiple low-power modes to wake on external events. The 128KB flash stores firmware for MQTT and TLS stacks.
Medical Patch Devices
Its small footprint and 40KB RAM support continuous ECG monitoring. The brown-out reset ensures safe operation during battery discharge.
Smart Home Controllers
Drive Zigbee or Thread protocols with the 80MHz core. The PWM outputs can control LED dimming with high resolution.
Portable Instruments
For handheld multimeters, the 12-bit ADC and DMA enable high-speed sampling. The 3.6V max input simplifies Li-ion battery connection.
Industrial Sensors
With -40°C to 85°C rating, it works in factory floors. The WDT and brown-out reset provide fail-safe operation.
- Q: What is the core and speed of the STM32L422TBY6TR?
- A: It uses an ARM Cortex-M4 core running at up to 80MHz with FPU.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, suitable for battery-powered devices.
- Q: How much flash and RAM does it have?
- A: It has 128KB flash and 40KB SRAM.
- Q: What package is this part?
- A: It comes in a 36-pin WLCSP (Wafer-Level Chip Scale Package).
STM32L422TBY6TR.pdf
- Q: What is the core and speed of the STM32L422TBY6TR?
- A: It uses an ARM Cortex-M4 core running at up to 80MHz with FPU.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, suitable for battery-powered devices.
- Q: How much flash and RAM does it have?
- A: It has 128KB flash and 40KB SRAM.
- Q: What package is this part?
- A: It comes in a 36-pin WLCSP (Wafer-Level Chip Scale Package).
