STM32L4S7ZIT STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STMicroelectronics STM32L4S7ZIT is an ultra-low-power ARM Cortex-M4 32-bit microcontroller running up to 120 MHz with 2 MB Flash, 640 KB SRAM, and advanced peripherals in a LQFP-144 package. Targets wearable, IoT, and portable medical applications demanding high performance at sub-milliamp active current. Available from stock worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 144
- Lifecycle
- ACTIVE
- Datasheet
- STM32L4S7ZIT Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ARM Cortex-M4 core with FPU at up to 120 MHz delivering up to 150 DMIPS for compute-intensive embedded tasks
- Ultra-low-power design with sub-100 µA/MHz active current and 30 nA shutdown mode
- 2 MB dual-bank Flash with execute-while-write for seamless OTA firmware updates
- 640 KB SRAM supporting large data buffers for DSP, audio, and graphics workloads
- Rich connectivity: USB OTG FS, SDMMC, DFSDM, SAI, DCMI, and up to 5x SPI / 4x I2C / 5x USART
Applications
The STM32L4S7ZIT is designed for battery-powered wearables, portable medical instruments, and IoT edge devices that demand 120 MHz Cortex-M4 FPU performance while maintaining ultra-low standby current as low as 30 nA. Its 2 MB dual-bank Flash enables secure OTA firmware updates without interrupting application execution, making it suitable for connected health monitors and industrial wireless sensor nodes. DCMI and DFSDM interfaces support camera modules and digital microphones in smart building sensors, access control panels, and voice-activated embedded devices.
Specifications
| Date Of Intro | 2018-05-25 |
| YTEOL | 8 |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.30 |
| Country of Origin | Mainland China, Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32L4S7ZIT:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 120MHz, CMOS, PQFP144
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 120MHz, CMOS, PQFP144
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 120MHz, CMOS, PQFP144
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 120MHz, CMOS, PQFP144
Frequently Asked Questions
What performance and memory configuration does the STM32L4S7ZIT offer for demanding IoT edge applications?
The STM32L4S7ZIT integrates an ARM Cortex-M4 core with FPU running at up to 120 MHz, delivering up to 150 DMIPS. It provides 2 MB of dual-bank Flash for OTA-capable firmware storage and 640 KB of SRAM for large runtime buffers, enabling DSP signal processing, neural network inference, and real-time audio filtering on a single chip without external memory in power-sensitive IoT designs.
How does the STM32L4S7ZIT achieve ultra-low power while still running at 120 MHz?
The STM32L4S7ZIT implements ST's ultra-low-power architecture with sub-100 µA/MHz active current in Run mode and a shutdown mode drawing as little as 30 nA. Dynamic voltage scaling adjusts the core supply based on clock frequency, while multiple low-power stop and standby modes preserve SRAM content at under 2 µA. This combination makes it suitable for wearable health monitors and battery-powered sensor nodes targeting multi-year coin-cell lifetimes.
For a portable medical device design, which STM32L4S7ZIT peripherals simplify sensor acquisition and wireless data offload?
The STM32L4S7ZIT includes a DFSDM (Digital Filter for Sigma-Delta Modulators) for direct digital microphone or pressure sensor acquisition, a DCMI interface for camera modules, USB OTG full-speed at 12 Mbps for PC connectivity, and SDMMC for data logging to SD cards. Its 5x SPI, 4x I2C, and 5x USART peripherals allow concurrent operation of ECG front-ends, accelerometers, BLE radio SPI bridges, and display drivers in portable medical monitoring equipment housed in the LQFP-144 package.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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