STMicroelectronics STM32L100RBT6A Microcontrollers
128KB 1.8V~3.6V ARM Cortex-M3 32MHz 51 LQFP-64 Microcontroller Units (MCUs/MPUs/SOCs)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
STM32L100RBT6A
Detailed Description
Reliable Microcontrollers by STMicroelectronics for high-performance systems.
Package
64-LQFP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
STM32L100RBT6A Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics STM32L100RBT6A Microcontrollers technical specifications.
General
Series
STM32L1
RAM Size
16K x 8
RoHS
Yes
Package / Case
64-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Number of I/O
51
Related Parts Comparison (STM32L100RBT6A vs STM32F405RGT6W vs STM32L433RCT6 vs STM32F103RBT6TR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | STM32L1 | STM32F4 | STM32L4 | STM32F1 |
| Package / Case | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.71V ~ 3.6V | 2V ~ 3.6V |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 16K x 8 | 192K x 8 | 64K x 8 | 20K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, SPI, UART/USART, USB | CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB | CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Core | Arm Cortex-M3 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M3 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MK21DX128AVLK5NXP SemiconductorsNXP
IC MCU 32BIT 128KB FLASH 80FQFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
STM32L433RCT6STMicroelectronicsUltra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 256 Kbytes of Flash memory, LCD, USB
STM32F103RBT6TRSTMicroelectronicsARM® Cortex®-M3 STM32F1 Microcontroller IC 32-Bit 72MHz 128KB (128K x 8) FLASH 64-LQFP (10x10)