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DigiKey Programmable
Core Processor
Core Size
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Number of I/O
Program Memory Size
Program Memory Type
EEPROM Size
RAM Size
Voltage - Supply (Vcc/Vdd)
Data Converters
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Supplier Device Package
49-WLCSP
STM32L431CBY7TR
IC MCU 32BIT 128KB FLASH 49WLCSP
STMicroelectronics
11,949
In Stock
1 : $5.65000
Cut Tape (CT)
5,000 : $2.73143
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT39128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 105°C (TA)Surface Mount49-UFBGA, WLCSP49-WLCSP (3.14x3.13)
48-UFQFPN
STM32L431CCU6TR
IC MCU 32BIT 256KB FLSH 48UFQFPN
STMicroelectronics
7,018
In Stock
1 : $6.20000
Cut Tape (CT)
2,500 : $3.11014
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT39256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount48-UFQFN Exposed Pad48-UFQFPN (7x7)
497~5B_ME_V2~T~48
STM32L431CCT6TR
IC MCU 32BIT 256KB FLASH 48LQFP
STMicroelectronics
20,255
In Stock
1 : $6.40000
Cut Tape (CT)
2,400 : $3.21385
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT39256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount48-LQFP48-LQFP (7x7)
64 LQFP
STM32L431RBT6TR
IC MCU 32BIT 128KB FLASH 64LQFP
STMicroelectronics
2,063
In Stock
1 : $6.13000
Cut Tape (CT)
1,000 : $3.23735
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT52128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount64-LQFP64-LQFP (10x10)
64 LQFP
STM32L431RCT6TR
IC MCU 32BIT 256KB FLASH 64LQFP
STMicroelectronics
3,947
In Stock
1 : $6.25000
Cut Tape (CT)
1,000 : $3.54278
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT52256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount64-LQFP64-LQFP (10x10)
32 QFN
STM32L412K8U6
IC MCU 32BIT 64KB FLASH 32UFQFPN
STMicroelectronics
3,548
In Stock
1 : $4.03000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzI²C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT2664KB (64K x 8)FLASH-40K x 81.71V ~ 3.6VA/D 10x12bInternal-40°C ~ 85°C (TA)Surface Mount32-UFQFN Exposed Pad32-UFQFPN (5x5)
64-WLCSP
STM32L452REY6TR
IC MCU 32BIT 512KB FLASH 64WLCSP
STMicroelectronics
15,608
In Stock
1 : $8.40000
Cut Tape (CT)
5,000 : $4.41307
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT52512KB (512K x 8)FLASH-160K x 81.71V ~ 3.6VA/D 16x12b; D/A 1x12bInternal-40°C ~ 85°C (TA)Surface Mount64-UFBGA, WLCSP64-WLCSP (3.36x3.66)
100-LQFP
STM32L433VCT6TR
IC MCU 32BIT 256KB FLASH 100LQFP
STMicroelectronics
3,612
In Stock
1 : $7.79000
Cut Tape (CT)
1,000 : $4.41938
Tape & Reel (TR)
Tape & Reel (TR)
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Digi-Reel®
ActiveVerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USBBrown-out Detect/Reset, DMA, LCD, PWM, WDT83256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount100-LQFP100-LQFP (14x14)
64 LQFP
STM32L451RET6TR
IC MCU 32BIT 512KB FLASH 64LQFP
STMicroelectronics
2,914
In Stock
1 : $8.48000
Cut Tape (CT)
1,000 : $4.80811
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT52512KB (512K x 8)FLASH-160K x 81.71V ~ 3.6VA/D 16x12b; D/A 1x12bInternal-40°C ~ 85°C (TA)Surface Mount64-LQFP64-LQFP (10x10)
48-UFQFPN
STM32L412CBU6
IC MCU 32BIT 128KB FLSH 48UFQFPN
STMicroelectronics
5,700
In Stock
1 : $4.86000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzI²C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT38128KB (128K x 8)FLASH-40K x 81.71V ~ 3.6VA/D 10x12bInternal-40°C ~ 85°C (TA)Surface Mount48-UFQFN Exposed Pad48-UFQFPN (7x7)
32-LQFP
STM32L412KBT6
IC MCU 32BIT 128KB FLASH 32LQFP
STMicroelectronics
1,418
In Stock
1 : $4.86000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzI²C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT26128KB (128K x 8)FLASH-40K x 81.71V ~ 3.6VA/D 10x12bInternal-40°C ~ 85°C (TA)Surface Mount32-LQFP32-LQFP (7x7)
497~5B_ME_V2~T~48
STM32L412CBT6
IC MCU 32BIT 128KB FLASH 48LQFP
STMicroelectronics
3,754
In Stock
1 : $5.07000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzI²C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT38128KB (128K x 8)FLASH-40K x 81.71V ~ 3.6VA/D 10x12bInternal-40°C ~ 85°C (TA)Surface Mount48-LQFP48-LQFP (7x7)
72-UFBGA
STM32L476JEY6TR
IC MCU 32BIT 512KB FLASH 72WLCSP
STMicroelectronics
32,869
In Stock
1 : $9.66000
Cut Tape (CT)
5,000 : $5.07245
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB OTGBrown-out Detect/Reset, DMA, LCD, PWM, WDT57512KB (512K x 8)FLASH-128K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount72-UFBGA, WLCSP72-WLCSP (4.41x3.76)
32 QFN
STM32L431KBU6
IC MCU 32BIT 128KB FLSH 32UFQFPN
STMicroelectronics
3,135
In Stock
1 : $5.16000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT26128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount32-UFQFN Exposed Pad32-UFQFPN (5x5)
48-UFQFPN
STM32L431CBU6
IC MCU 32BIT 128KB FLSH 48UFQFPN
STMicroelectronics
1,500
In Stock
1 : $5.37000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT39128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount48-UFQFN Exposed Pad48-UFQFPN (7x7)
497~5B_ME_V2~T~48
STM32L431CBT6
IC MCU 32BIT 128KB FLASH 48LQFP
STMicroelectronics
23,819
In Stock
1 : $5.58000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT39128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount48-LQFP48-LQFP (7x7)
32 QFN
STM32L432KBU6
IC MCU 32BIT 128KB FLSH 32UFQFPN
STMicroelectronics
3,093
In Stock
1 : $5.85000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT26128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount32-UFQFN Exposed Pad32-UFQFPN (5x5)
32 QFN
STM32L431KBU3
IC MCU 32BIT 128KB FLSH 32UFQFPN
STMicroelectronics
3,613
In Stock
1 : $5.94000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT26128KB (128K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 125°C (TA)Surface Mount32-UFQFN Exposed Pad32-UFQFPN (5x5)
32 QFN
STM32L431KCU6
IC MCU 32BIT 256KB FLSH 32UFQFPN
STMicroelectronics
13,790
In Stock
1 : $6.04000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT26256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount32-UFQFN Exposed Pad32-UFQFPN (5x5)
64-UFBGA
STM32L431RCI6
IC MCU 32BIT 256KB FLASH 64UFBGA
STMicroelectronics
2,959
In Stock
1 : $6.06000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT52256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount64-UFBGA64-UFBGA (5x5)
48-UFQFPN
STM32L433CCU6
IC MCU 32BIT 256KB FLSH 48UFQFPN
STMicroelectronics
10,452
In Stock
1 : $6.18000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USBBrown-out Detect/Reset, DMA, LCD, PWM, WDT38256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount48-UFQFN Exposed Pad48-UFQFPN (7x7)
64 LQFP
STM32L431RCT6
IC MCU 32BIT 256KB FLASH 64LQFP
STMicroelectronics
13,933
In Stock
1 : $6.25000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT52256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount64-LQFP64-LQFP (10x10)
72-UFBGA
STM32L476JGY6TR
IC MCU 32BIT 1MB FLASH 72WLCSP
STMicroelectronics
21,448
In Stock
1 : $11.92000
Cut Tape (CT)
5,000 : $6.25948
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB OTGBrown-out Detect/Reset, DMA, LCD, PWM, WDT571MB (1M x 8)FLASH-128K x 81.71V ~ 3.6VA/D 16x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount72-UFBGA, WLCSP72-WLCSP (4.41x3.76)
32 QFN
STM32L442KCU6
IC MCU 32BIT 256KB FLSH 32UFQFPN
STMicroelectronics
10,808
In Stock
1 : $6.31000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART, USBBrown-out Detect/Reset, DMA, PWM, WDT26256KB (256K x 8)FLASH-64K x 81.71V ~ 3.6VA/D 10x12b; D/A 2x12bInternal-40°C ~ 85°C (TA)Surface Mount32-UFQFN Exposed Pad32-UFQFPN (5x5)
48-UFQFPN
STM32L451CCU6
IC MCU 32BIT 256KB FLSH 48UFQFPN
STMicroelectronics
1,499
In Stock
1 : $6.34000
Tray
Tray
ActiveNot VerifiedARM® Cortex®-M432-Bit Single-Core80MHzCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USARTBrown-out Detect/Reset, DMA, PWM, WDT38256KB (256K x 8)FLASH-160K x 81.71V ~ 3.6VA/D 10x12b; D/A 1x12bInternal-40°C ~ 85°C (TA)Surface Mount48-UFQFN Exposed Pad48-UFQFPN (7x7)
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Microcontrollers


Microcontroller products are relatively complex, user-programmable digital logic devices. Closely related to devices considered microprocessors, the distinction between the two reduces largely to the manufacturer's choice of noun, though by tradition microcontrollers integrate working memory, are more likely to incorporate mixed-signal peripherals and tend to be used with simpler software paradigms oriented toward repetitive execution of a predefined series of tasks.