ST STM32L021F4U6TR
Manufacturer No:
STM32L021F4U6TR
Manufacturer:
ST
Package:
20-UFQFN
Description:
16KB 16K x 8 FLASH ARM® Cortex®-M0+ 32-Bit Microcontroller STM32L0 Series STM32L021 3V 20-UFQFN
Quantity:
In Stock :3896
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Shipped from：HK Warehouse
Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
STM32L021F4U6TR Information
ST STM32L021F4U6TR technical specifications, attributes, parameters and parts with similar specifications to ST STM32L021F4U6TR.
- Type
- Parameter
- Lifecycle Status
- ACTIVE (Last Updated: 7 months ago)
- Factory Lead Time
- 10 Weeks
- Mounting Type
- Surface Mount
- Package / Case
- 20-UFQFN
- Surface Mount
- YES
- Operating Temperature
- -40°C~85°C TA
- Packaging
- Tape & Reel (TR)
- Series
- STM32L0
- Part Status
- Active
- Moisture Sensitivity Level (MSL)
- 1 (Unlimited)
- Type
- Parameter
- Number of Terminations
- 20
- Terminal Position
- QUAD
- Terminal Form
- NO LEAD
- Supply Voltage
- 3V
- Terminal Pitch
- 0.5mm
- Base Part Number
- STM32L021
- Supply Voltage-Max (Vsup)
- 3.6V
- Supply Voltage-Min (Vsup)
- 1.8V
- Oscillator Type
- Internal
- Number of I/O
- 16
Download datasheets and manufacturer documentation for ST STM32L021F4U6TR.
STM32L021F4U6TR Description
The ultra-low-power STM32L021x4 family includes devices in 6 different package types from 14 to 32 pins. The description below gives an overview of the complete range of peripherals proposed in this family.
STM32L021F4U6TR Features
? Ultra-low-power platform
– 1.65 V to 3.6 V power supply
– -40 to 125 °C temperature range
– 0.23 μA Standby mode (2 wakeup pins)
– 0.29 μA Stop mode (16 wakeup lines)
– 0.54 μA Stop mode + RTC + 2 KB RAM
retention
– Down to 76 μA/MHz in Run mode
– 5 μs wakeup time (from Flash memory)
– 41 μA 12-bit ADC conversion at 10 ksps
? Core: Arm? 32-bit Cortex?-M0+
– From 32 kHz to 32 MHz max.
– 0.95 DMIPS/MHz
? Reset and supply management
– Ultra-safe, low-power BOR (brownout reset)
with 5 selectable thresholds
– Ultralow power POR/PDR
– Programmable voltage detector (PVD)
? Clock sources
– 0 to 32 MHz external clock
– 32 kHz oscillator for RTC with calibration
– High speed internal 16 MHz factory-trimmed RC
(+/- 1%)
– Internal low-power 37 kHz RC
– Internal multispeed low-power 65 kHz to
4.2 MHz RC
– PLL for CPU clock
? Pre-programmed bootloader
– USART, SPI supported
? Development support
– Serial wire debug supported
? Up to 28 fast I/Os (23 I/Os 5V tolerant)
? Memories
– 16 KB Flash memory with ECC
– 2 KB RAM
– 512 B of data EEPROM with ECC
– 20-byte backup register
– Sector protection against R/W operation
STM32L021F4U6TR applications
These features make the ultra-low-power STM32L021x4 microcontrollers suitable for a wide
range of applications:
? Gas/water meters and industrial sensors
? Healthcare and fitness equipment
? Remote control and user interface
? PC peripherals, gaming, GPS equipment
? Alarm system, wired and wireless sensors, video intercom
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