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256 kB Embedded Processors & Controllers

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Results: 4,897

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Program Memory Size = 256 kB

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Part #

ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU

STM32F401CCU6
STMicroelectronics
1: $6.57
6,172In Stock
3,120On Order

Mfr. Part No.
STM32F401CCU6

Mouser Part No
511-STM32F401CCU6

STMicroelectronics

ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU

Learn More

Datasheet

6,172In Stock

3,120On Order

$6.57

$4.91

$4.46

$4.06

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-48

ARM Cortex M4

36 I/O

32 bit

12 bit

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

STM32F401CCU6TR
STMicroelectronics
1: $7.02
2,576In Stock
5,000On Order

Mfr. Part No.
STM32F401CCU6TR

Mouser Part No
511-STM32F401CCU6TR

STMicroelectronics

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

Learn More

Datasheet

2,576In Stock

5,000On Order

Cut Tape

$7.02

$5.16

$4.80

$4.22

View

Reel

$3.00

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

UFQFPN-48

ARM Cortex M4

36 I/O

32 bit

12 bit

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

STM32F401CCU7
STMicroelectronics
1: $7.52
2,204In Stock

Mfr. Part No.
STM32F401CCU7

Mouser Part No
511-STM32F401CCU7

STMicroelectronics

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

Learn More

Datasheet

2,204In Stock

$7.52

$5.53

$5.15

$4.53

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-48

ARM Cortex M4

36 I/O

32 bit

12 bit

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

STM32F411CCU6TR
STMicroelectronics
1: $6.83
1,526In Stock

Mfr. Part No.
STM32F411CCU6TR

Mouser Part No
511-STM32F411CCU6TR

STMicroelectronics

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

Learn More

Datasheet

1,526In Stock

Cut Tape

$6.83

$5.23

$4.59

$4.39

View

Reel

$3.49

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

UFQFPN-48

ARM Cortex M4

36 I/O

32 bit

12 bit

ARM Microcontrollers - MCU STM32 Dyn Eff MCU 256 K 100 MHz CPU

STM32F411RCT6
STMicroelectronics
1: $6.94
953In Stock

Mfr. Part No.
STM32F411RCT6

Mouser Part No
511-STM32F411RCT6

STMicroelectronics

ARM Microcontrollers - MCU STM32 Dyn Eff MCU 256 K 100 MHz CPU

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Datasheet

953In Stock

$6.94

$5.35

$4.71

$4.39

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M4

50 I/O

32 bit

12 bit

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

STM32F411RCT7TR
STMicroelectronics
1: $7.96
940In Stock

Mfr. Part No.
STM32F411RCT7TR

Mouser Part No
511-STM32F411RCT7TR

STMicroelectronics

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

Learn More

Datasheet

940In Stock

Cut Tape

$7.96

$5.86

$5.39

$4.89

Reel

$4.11

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

LQFP-64

ARM Cortex M4

50 I/O

32 bit

12 bit

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

STM32F411VCT6
STMicroelectronics
1: $7.63
915In Stock

Mfr. Part No.
STM32F411VCT6

Mouser Part No
511-STM32F411VCT6

STMicroelectronics

ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash

Learn More

Datasheet

915In Stock

$7.63

$5.45

$4.98

$4.97

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M4

81 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Mainstream Arm Cortex M0+ 32-bit MCU, up to 512KB Flash, 144KB RAM

STM32G0B1CCU6
STMicroelectronics
1: $5.76
3,636In Stock
3,120On Order

Mfr. Part No.
STM32G0B1CCU6

Mouser Part No
511-STM32G0B1CCU6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex M0+ 32-bit MCU, up to 512KB Flash, 144KB RAM

Learn More

Datasheet

3,636In Stock

3,120On Order

$5.76

$3.96

$3.68

$3.24

View

Min.: 1
Mult.: 1

SMD/SMT

ARM Cortex M0+

44 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D

STM32G0B1KCU7
STMicroelectronics
1: $4.78
1,172In Stock
2,940On Order

Mfr. Part No.
STM32G0B1KCU7

Mouser Part No
511-STM32G0B1KCU7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D

Learn More

Datasheet

1,172In Stock

2,940On Order

$4.78

$3.62

$3.16

$3.01

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-32

ARM Cortex M0+

30 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz

STM32L100RCT6
STMicroelectronics
1: $8.18
741In Stock

Mfr. Part No.
STM32L100RCT6

Mouser Part No
511-STM32L100RCT6

STMicroelectronics

ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz

Learn More

Datasheet

741In Stock

$8.18

$6.32

$5.57

$5.20

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M3

51 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz

STM32L151CCT6
STMicroelectronics
1: $8.34
1,290In Stock
3,000Expected 28/12/2026

Mfr. Part No.
STM32L151CCT6

Mouser Part No
511-STM32L151CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz

Learn More

Datasheet

1,290In Stock

3,000Expected 28/12/2026

$8.34

$6.44

$5.68

$5.44

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M3

37 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp

STM32L151CCT6TR
STMicroelectronics
1: $8.84
1,525In Stock

Mfr. Part No.
STM32L151CCT6TR

Mouser Part No
511-STM32L151CCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp

Learn More

Datasheet

1,525In Stock

Cut Tape

$8.84

$6.77

$6.02

$5.65

View

Reel

$4.29

MouseReel Available

Min.: 1
Mult.: 1

: 2,400

SMD/SMT

LQFP-48

ARM Cortex M3

37 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz

STM32L152CCT6
STMicroelectronics
1: $8.64
1,285In Stock

Mfr. Part No.
STM32L152CCT6

Mouser Part No
511-STM32L152CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz

Learn More

Datasheet

1,285In Stock

$8.64

$6.68

$5.90

$5.65

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M3

37 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz

STM32L152RCT6
STMicroelectronics
1: $8.94
798In Stock

Mfr. Part No.
STM32L152RCT6

Mouser Part No
511-STM32L152RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz

Learn More

Datasheet

798In Stock

$8.94

$6.92

$6.11

$5.71

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M3

51 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431RCI6
STMicroelectronics
1: $5.81
1,903In Stock

Mfr. Part No.
STM32L431RCI6

Mouser Part No
511-STM32L431RCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

1,903In Stock

$5.81

$4.43

$3.88

$3.71

View

Min.: 1
Mult.: 1

SMD/SMT

UFBGA-64

ARM Cortex M4

52 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCT3
STMicroelectronics
1: $6.93
759In Stock
1,500On Order

Mfr. Part No.
STM32L433CCT3

Mouser Part No
511-STM32L433CCT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

759In Stock

1,500On Order

$6.93

$5.32

$4.67

$4.56

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M4

38 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCT6
STMicroelectronics
1: $6.11
2,808In Stock

Mfr. Part No.
STM32L433CCT6

Mouser Part No
511-STM32L433CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,808In Stock

$6.11

$4.67

$4.09

$3.91

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M4

38 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCU3
STMicroelectronics
1: $6.72
893In Stock

Mfr. Part No.
STM32L433CCU3

Mouser Part No
511-STM32L433CCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

893In Stock

$6.72

$5.16

$4.53

$4.33

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

ARM Cortex M4

38 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCU6
STMicroelectronics
1: $5.96
3,207In Stock
3,120On Order

Mfr. Part No.
STM32L433CCU6

Mouser Part No
511-STM32L433CCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

3,207In Stock

3,120On Order

$5.96

$4.55

$3.99

$3.81

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-48

ARM Cortex M4

38 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCY6TR
STMicroelectronics
1: $6.82
2,059In Stock

Mfr. Part No.
STM32L433CCY6TR

Mouser Part No
511-STM32L433CCY6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,059In Stock

Cut Tape

$6.82

$5.01

$4.67

$4.11

View

Reel

$2.91

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

WLCSP-48

ARM Cortex M4

38 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCI6
STMicroelectronics
1: $6.40
2,248In Stock

Mfr. Part No.
STM32L433RCI6

Mouser Part No
511-STM32L433RCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,248In Stock

$6.40

$4.90

$4.30

$4.11

View

Min.: 1
Mult.: 1

SMD/SMT

UFBGA-64

ARM Cortex M4

52 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433VCT6TR
STMicroelectronics
1: $7.48
762In Stock

Mfr. Part No.
STM32L433VCT6TR

Mouser Part No
511-STM32L433VCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

762In Stock

Cut Tape

$7.48

$5.76

$5.06

$4.85

Reel

$3.86

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

LQFP-100

ARM Cortex M4

83 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

STM32L443VCT6
STMicroelectronics
1: $8.04
511In Stock

Mfr. Part No.
STM32L443VCT6

Mouser Part No
511-STM32L443VCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

Learn More

Datasheet

511In Stock

$8.04

$5.67

$5.33

$4.79

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M4

83 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM

STM32L451CCU3
STMicroelectronics
1: $6.87
1,854In Stock

Mfr. Part No.
STM32L451CCU3

Mouser Part No
511-STM32L451CCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM

Learn More

Datasheet

1,854In Stock

$6.87

$5.27

$4.63

$4.43

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

ARM Cortex M4

38 I/O

32 bit

12 bit

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM

STM32L451VCT6
STMicroelectronics
1: $7.59
2,312In Stock

Mfr. Part No.
STM32L451VCT6

Mouser Part No
511-STM32L451VCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM

Learn More

Datasheet

2,312In Stock

$7.59

$5.42

$4.99

$4.71

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M4

83 I/O

32 bit

12 bit

256 kB Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

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BGA-100
BGA-112
BGA-120
BGA-121
BGA-132
BGA-136
BGA-144
BGA-176
BGA-196
BGA-256
BGA-36
BGA-376
BGA-64
BGA-96
BGA-97
BGA-ED-256
CQFP-176
CSP-288
CSP-48
CSP-64

56800E
80515
56800EX
78K0R
ARM7TDMI
ARM7TDMI-S
ARM Cortex M0
ARM Cortex M0, ARM Cortex M4
ARM Cortex M0+
ARm Cortex M0+
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M23
ARM Cortex M3
ARM Cortex M33
Arm Cortex -M33
ARM Cortex M4
Arm cortex M4
Arm Cortex -M4
ARM Cortex M4F
ARM Cortex-M4F, ARM Cortex R5F

10 I/O
13 I/O
14 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O
28 I/O
29 I/O
30 I/O
31 I/O
32 I/O

2 x 10 bit
2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
2 x 8 bit/10 bit/12 bit
3 x 12 bit
4 x 12 bit
4 x 16 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
8 bit, 10 bit
8 bit/10 bit
8 bit/10 bit/12 bit
10 bit
10 bit, 12 bit
10 bit, 24 bit
10 bit, 2 x 12 bit
10 bit/12 bit
12 bit
12 bit, 14 bit