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STMicroelectronics STM32L071RZH6 — Microcontrollers & Processors (MCU / MPU / DSP)

STM32L071RZH6 STM32L0 MCU, ARM Cortex-M0+, 32 MHz

MPNSTM32L071RZH6
Active

STMicroelectronics STM32L0 series, STM32L071RZH6, 32-bit ARM Cortex-M0+ MCU, 32 MHz, 192 KB Flash, 20K x 8 RAM, 6K x 8 EEPROM, 50 I/O, 64-TFBGA (5x5), -40 to 85 °C, 1.65 V to 3.6 V.

$5.4800Ref. price · indicative, final on quote
STMicroelectronics STM32L071RZH6 datasheet (PDF)
Packaging64-TFBGA
RoHSROHS3 Compliant
SeriesSTM32L0
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STM32L071RZH6 specifications
ParameterValue
SeriesSTM32L0
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.65V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed32MHz
PackageTray
RAM size20K x 8
Core size32-Bit Single-Core
EEPROM size6K x 8
PeripheralsBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
ConnectivityI²C, IrDA, SPI, UART/USART
Number of i (O)50
Core processorARM® Cortex®-M0+
Case64-TFBGA
Data convertersA/D 15x12b
Program memory size192KB (192K x 8)

Product details

Active-production STM32L0 ultra-low-power MCU in a 5x5 BGA

It runs at 32 MHz and packs 192 KB of Flash program memory, 20 KB of SRAM, and 6 KB of true EEPROM — enough for a real-time control loop with a modest data log or configuration table.

192 KB Flash and 6 KB EEPROM — sizing the firmware budget

The 192 KB Flash (192K x 8) is the program store; the 6 KB EEPROM (6K x 8) handles calibration constants, node IDs, and fault logs without wearing the Flash. The 20 KB SRAM (20K x 8) is tight for a full TCP/IP stack but comfortable for a sensor fusion loop, a Modbus RTU slave, or a BLE host controller.

Peripherals and connectivity for sensor and control applications

The peripheral set includes brown-out detect, POR, DMA, I²S, PWM, and a watchdog timer. The 15-channel 12-bit ADC handles analog inputs like thermistors, strain gauges, or battery voltage monitoring without an external converter.

64-TFBGA — board assembly and footprint considerations

Surface-mount only — no socket option for prototyping without an adapter board.

ROHS3 compliant.

Frequently asked questions

What is the flash memory size of STM32L071RZH6?

The program memory is 192 KB (192K x 8) of Flash, with an additional 6 KB of EEPROM and 20 KB of SRAM.

Is there a direct replacement for STM32L071RZH6?

The STM32L151CBU6A is a functional peer in the same ultra-low-power 32-bit MCU space, but it uses an ARM Cortex-M3 core, has a different peripheral set (includes USB and DAC), and comes in a 48-pin UFQFPN package — not a pin-compatible drop-in. For a true pin-compatible replacement within the STM32L0 series, check the STM32L071xZ density variants in the same 64-TFBGA footprint.