
Overview
The STM32L433CBY6 is a microcontroller made by STMicroelectronics in a WLCSP-49(3.1x3.1) package with 49 pins. -40℃~+85℃ 1.71V~3.6V 128KB 12bit 12bit 32 Bit 39 64KB 80MHz ARM Cortex-M4 Built-in FLASH WLCSP-49(3.1x3.1) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_ST_STM32L4:STM32L433CBYx, from KiCad's library) and its footprint (Package_CSP:ST_WLCSP-49_Die435, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2054916).
Symbol
Footprint
Parameters
12- ADC (Bit)
- 12bit
- CPU Core
- ARM Cortex-M4
- CPU Maximum Speed
- 80MHz
- Core Size
- 32 Bit
- DAC (Bit)
- 12bit
- Number of I/O
- 39
- Operating Temperature
- -40℃~+85℃
- Oscillator Type
- Built-in
- Program Memory Type
- FLASH
- Program Storage Size
- 128KB
- RAM Size
- 64KB
- Voltage - Supply
- 1.71V~3.6V
Order codes
1- STM32L433CBY6TRLCSC C2054916
Pinout
49| Pin | Name | Type |
|---|---|---|
| A1 | VDDUSB | Power in |
| A2 | PA14 | Input/output |
| A3 | PB3 | Input/output |
| A4 | PB4 | Input/output |
| A5 | PH3 | Input/output |
| A6 | VSS | Power in |
| A7 | VDD | Power in |
| B1 | VSS | Passive |
| B2 | PA13 | Input/output |
| B3 | PA15 | Input/output |
| B4 | PB5 | Input/output |
| B5 | PB8 | Input/output |
| B6 | VBAT | Power in |
| B7 | PC13 | Input/output |
| C1 | PA11 | Input/output |
| C2 | PA10 | Input/output |
| C3 | PA12 | Input/output |
| C4 | PB6 | Input/output |
| C5 | PB9 | Input/output |
| C6 | PC15 | Input/output |
| C7 | PC14 | Input/output |
| D1 | PA8 | Input/output |
| D2 | PA9 | Input/output |
| D3 | PB15 | Input/output |
| D4 | PB7 | Input/output |
| D5 | NRST | Input |
| D6 | PH1 | Input/output |
| D7 | PH0 | Input/output |
| E1 | PB14 | Input/output |
| E2 | PB13 | Input/output |
| E3 | PB10 | Input/output |
| E4 | PA3 | Input/output |
| E5 | PA2 | Input/output |
| E6 | PC3 | Input/output |
| E7 | VSSA | Power in |
| F1 | PB12 | Input/output |
| F2 | PB11 | Input/output |
| F3 | PA7 | Input/output |
| F4 | PA6 | Input/output |
| F5 | PA5 | Input/output |
| F6 | PA0 | Input/output |
| F7 | VDDA | Power in |
| G1 | VDD | Power in |
| G2 | VSS | Passive |
| G3 | PB2 | Input/output |
| G4 | PB1 | Input/output |
| G5 | PB0 | Input/output |
| G6 | PA4 | Input/output |
| G7 | PA1 | Input/output |
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Is there a KiCad symbol and footprint for the STM32L433CBY6?
Yes. The symbol is MCU_ST_STM32L4:STM32L433CBYx and the footprint Package_CSP:ST_WLCSP-49_Die435, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the STM32L433CBY6?
WLCSP-49(3.1x3.1), with 49 pins. Its footprint is drawn on this page.
Where is the STM32L433CBY6 datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the STM32L433CBY6?
JLCPCB lists it as part C2054916, with 0 in stock; the sellers' links on this page open their listings.
What can replace the STM32L433CBY6?
Parts like it in the library: the STM32L431CCY6 by STMicroelectronics, the STM32L433CCY6 by STMicroelectronics, the STM32L431CBY6 by STMicroelectronics and the STM32L431CBY7 by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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