.hide-partial { max-height: none; } .show-more { display: none; }

128 kB Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Microcontrollers - MCU

List Images

Results: 4,323

Applied Filters:

Program Memory Size = 128 kB

Manufacturer

Mounting Style

Package / Case

Core

Data Bus Width

ADC Resolution

Maximum Clock Frequency

Number of I/Os

Data RAM Size

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 128-Kbytes Flash, 32 MHz CPU, AES

STM32L081CBT6
STMicroelectronics
1: $4.85
1,650In Stock

Mfr. Part #
STM32L081CBT6

Mouser Part #
511-STM32L081CBT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 128-Kbytes Flash, 32 MHz CPU, AES

Learn More

Datasheet

1,650In Stock

$4.85

$3.68

$3.21

$3.06

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

32 MHz

40 I/O

20 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C

STM32L100RBT6A
STMicroelectronics
1: $7.31
831In Stock

Mfr. Part #
STM32L100RBT6A

Mouser Part #
511-STM32L100RBT6A

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C

Learn More

Datasheet

831In Stock

$7.31

$5.62

$4.94

$4.61

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M3

128 kB

32 bit

12 bit

32 MHz

51 I/O

10 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB

STM32L151CBT6A
STMicroelectronics
1: $7.06
1,327In Stock

Mfr. Part #
STM32L151CBT6A

Mouser Part #
511-STM32L151CBT6A

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB

Learn More

Datasheet

1,327In Stock

$7.06

$5.42

$4.76

$4.56

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M3

128 kB

32 bit

12 bit

32 MHz

37 I/O

16 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB

STM32L151RBT6A
STMicroelectronics
1: $6.92
1,005In Stock

Mfr. Part #
STM32L151RBT6A

Mouser Part #
511-STM32L151RBT6A

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB

Learn More

Datasheet

1,005In Stock

$6.92

$5.33

$4.93

$4.38

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M3

128 kB

32 bit

12 bit

32 MHz

51 I/O

16 kB

1.65 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

STM32L412KBU3
STMicroelectronics
1: $4.56
2,286In Stock

Mfr. Part #
STM32L412KBU3

Mouser Part #
511-STM32L412KBU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

Datasheet

2,286In Stock

$4.56

$3.47

$3.02

$2.89

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

ARM Cortex M4

128 kB

32 bit

12 bit

80 MHz

26 I/O

40 kB

1.71 V

3.6 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

STM32L412RBT6
STMicroelectronics
1: $5.01
3,937In Stock

Mfr. Part #
STM32L412RBT6

Mouser Part #
511-STM32L412RBT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

Learn More

Datasheet

3,937In Stock

$5.01

$3.81

$3.33

$3.10

View

Min.: 1
Mult.: 1

SMD/SMT

ARM Cortex M4

128 kB

32 bit

2 x 12 bit

80 MHz

52 I/O

40 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

STM32L412RBT6P
STMicroelectronics
1: $4.51
1,247In Stock

Mfr. Part #
STM32L412RBT6P

Mouser Part #
511-STM32L412RBT6P

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

Datasheet

1,247In Stock

$4.51

$3.42

$3.15

$2.85

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M4

128 kB

32 bit

2 x 12 bit

80 MHz

52 I/O

40 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

STM32L431KBU3
STMicroelectronics
1: $5.01
4,228In Stock
8,820On Order

Mfr. Part #
STM32L431KBU3

Mouser Part #
511-STM32L431KBU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Learn More

Datasheet

4,228In Stock

8,820On Order

$5.01

$3.81

$3.32

$3.17

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-32

ARM Cortex M4

128 kB

32 bit

12 bit

80 MHz

26 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash

STM32L432KBU6
STMicroelectronics
1: $5.03
2,825In Stock
2,940On Order

Mfr. Part #
STM32L432KBU6

Mouser Part #
511-STM32L432KBU6

STMicroelectronics

ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash

Learn More

Datasheet

2,825In Stock

2,940On Order

$5.03

$3.82

$3.33

$3.18

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-32

ARM Cortex M4

128 kB

32 bit

12 bit

80 MHz

26 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz

STM8S207RBT6
STMicroelectronics
1: $4.90
2,383In Stock

Mfr. Part #
STM8S207RBT6

Mouser Part #
511-STM8S207RBT6

STMicroelectronics

8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz

Learn More

Datasheet

2,383In Stock

$4.90

$3.72

$3.24

$3.01

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

STM8

128 kB

8 bit

10 bit

24 MHz

52 I/O

6 kB

2.95 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU PERF LINE 24 MHZ STM 8-BIT MCU 128 KB

STM8S208MBT6B
STMicroelectronics
1: $7.98
545In Stock
540Expected 8/19/2026

Mfr. Part #
STM8S208MBT6B

Mouser Part #
511-STM8S208MBT6B

STMicroelectronics

8-bit Microcontrollers - MCU PERF LINE 24 MHZ STM 8-BIT MCU 128 KB

Learn More

Datasheet

545In Stock

540Expected 8/19/2026

$7.98

$5.86

$5.46

$4.80

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-80

STM8

128 kB

8 bit

10 bit

24 MHz

68 I/O

6 kB

2.95 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz

STM8S208RBT6
STMicroelectronics
1: $5.55
804In Stock

Mfr. Part #
STM8S208RBT6

Mouser Part #
511-STM8S208RBT6

STMicroelectronics

8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz

Learn More

Datasheet

804In Stock

$5.55

$4.23

$3.70

$3.44

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

STM8

128 kB

8 bit

10 bit

24 MHz

52 I/O

6 kB

2.95 V

5.5 V

- 40 C

+ 85 C

Tray

32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM

AT32UC3C1128C-AUR
Microchip Technology
1: $10.93
356In Stock

Mfr. Part #
AT32UC3C1128C-AUR

Mouser Part #
556-AT32UC3C1128CAUR

Microchip Technology

32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM

Learn More

Datasheet

356In Stock

Cut Tape

$10.93

$10.56

Reel

$9.01

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

TQFP-100

AVR

128 kB

32 bit

12 bit

66 MHz

81 I/O

32 kB

3 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

32-bit Microcontrollers - MCU UC3L-128KB FL 85C

AT32UC3L0128-AUT
Microchip Technology
1: $8.34
422In Stock

Mfr. Part #
AT32UC3L0128-AUT

Mouser Part #
556-AT32UC3L0128-AUT

Microchip Technology

32-bit Microcontrollers - MCU UC3L-128KB FL 85C

Learn More

Datasheet

422In Stock

$8.34

Min.: 1
Mult.: 1

SMD/SMT

AVR

128 kB

32 bit

12 bit

50 MHz

36 I/O

32 kB

1.8 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVRC11 128K Flash Green

AT90CAN128-16AUR
Microchip Technology
1: $9.84
665In Stock
2,000Expected 11/27/2026

Mfr. Part #
AT90CAN128-16AUR

Mouser Part #
556-AT90CAN128-16AUR

Microchip Technology

8-bit Microcontrollers - MCU AVRC11 128K Flash Green

Learn More

Datasheet

665In Stock

2,000Expected 11/27/2026

Cut Tape

$9.84

Reel

$9.84

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

TQFP-64

AVR

128 kB

8 bit

10 bit

16 MHz

53 I/O

4 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz

AT90USB1286-AU
Microchip Technology
1: $10.38
722In Stock

Mfr. Part #
AT90USB1286-AU

Mouser Part #
556-AT90USB1286-AU

Microchip Technology

8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz

Datasheet

722In Stock

$10.38

$9.52

$8.62

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

AVR

128 kB

8 bit

10 bit

16 MHz

48 I/O

8 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR USB 128K FLASH 16MHz Ind Temp

AT90USB1286-MU
Microchip Technology
1: $10.33
398In Stock

Mfr. Part #
AT90USB1286-MU

Mouser Part #
556-AT90USB1286-MU

Microchip Technology

8-bit Microcontrollers - MCU AVR USB 128K FLASH 16MHz Ind Temp

Datasheet

398In Stock

$10.33

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

AVR

128 kB

8 bit

10 bit

16 MHz

48 I/O

8 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR USB 128K FLASH 16 MHz,Ind Temp

AT90USB1287-AU
Microchip Technology
1: $11.28
778In Stock

Mfr. Part #
AT90USB1287-AU

Mouser Part #
556-AT90USB1287-AU

Microchip Technology

8-bit Microcontrollers - MCU AVR USB 128K FLASH 16 MHz,Ind Temp

Datasheet

778In Stock

$11.28

$10.33

$9.34

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

AVR

128 kB

8 bit

10 bit

16 MHz

48 I/O

8 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR USB 128K FLASH

AT90USB1287-MU
Microchip Technology
1: $11.28
1,212In Stock

Mfr. Part #
AT90USB1287-MU

Mouser Part #
556-AT90USB1287-MU

Microchip Technology

8-bit Microcontrollers - MCU AVR USB 128K FLASH

Datasheet

1,212In Stock

$11.28

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

AVR

128 kB

8 bit

10 bit

16 MHz

48 I/O

8 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR,128KB FLASH 4KB EE,4KB SRAM,5V

ATMEGA128-16AN
Microchip Technology
1: $15.77
95In Stock

Mfr. Part #
ATMEGA128-16AN

Mouser Part #
556-ATMEGA128-16AN

Microchip Technology

8-bit Microcontrollers - MCU AVR,128KB FLASH 4KB EE,4KB SRAM,5V

Datasheet

95In Stock

$15.77

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

AVR

128 kB

8 bit

10 bit

16 MHz

53 I/O

4 kB

4.5 V

5.5 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM

ATMEGA1280V-8AUR
Microchip Technology
1: $14.24
552In Stock

Mfr. Part #
ATMEGA1280V-8AUR

Mouser Part #
556-ATMEGA1280V-8AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM

Datasheet

552In Stock

Cut Tape

$14.24

Reel

$14.24

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

TQFP-100

AVR

128 kB

8 bit

8 MHz

8 kB

1.8 V

5.5 V

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM

ATMEGA1281-16AUR
Microchip Technology
1: $11.62
957In Stock

Mfr. Part #
ATMEGA1281-16AUR

Mouser Part #
556-ATMEGA1281-16AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM

Datasheet

957In Stock

Cut Tape

$11.62

Reel

$11.62

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

TQFP-64

AVR

128 kB

8 bit

16 MHz

8 kB

2.7 V

5.5 V

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz

ATMEGA1284-AUR
Microchip Technology
1: $6.48
1,871In Stock

Mfr. Part #
ATMEGA1284-AUR

Mouser Part #
556-ATMEGA1284-AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz

Learn More

Datasheet

1,871In Stock

Cut Tape

$6.48

Reel

$6.48

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

AVR

128 kB

8 bit

10 bit

20 MHz

32 I/O

16 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz

ATMEGA1284-MU
Microchip Technology
1: $6.30
281In Stock

Mfr. Part #
ATMEGA1284-MU

Mouser Part #
556-ATMEGA1284-MU

Microchip Technology

8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz

Learn More

Datasheet

281In Stock

$6.30

$5.78

$5.22

Min.: 1
Mult.: 1

SMD/SMT

MLF-44

AVR

128 kB

8 bit

10 bit

20 MHz

32 I/O

16 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B

ATSAM4S2AB-AN
Microchip Technology
1: $4.03
1,987In Stock

Mfr. Part #
ATSAM4S2AB-AN

Mouser Part #
556-ATSAM4S2AB-AN

Microchip Technology

ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B

Learn More

Datasheet

1,987In Stock

$4.03

$3.68

$3.33

Min.: 1
Mult.: 1

SMD/SMT

LQFP-48

ARM Cortex M4

128 kB

32 bit

12 bit

120 MHz

34 I/O

64 kB

1.62 V

3.6 V

- 40 C

+ 105 C

Tray

128 kB Microcontrollers - MCU

Types of Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

BGA-100
BGA-112
BGA-121
BGA-176
BGA-36
BGA-49
BGA-64
CSP-36
CSP-42
CSP-81
DSBGA-28
DSBGA-64
FFBGA-144
HLQFP-100
HTQFP-100
HTQFP-48
HTQFP-64
HTQFP-80
HVQFN-32
HVQFN-48

8051
4T 8051
78K0
78K0R
ARM7TDMI
ARM7TDMI-S
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 M4F
ARM Cortex M7
ARM Cortex R4
AVR
C28x

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

1 MHz
4.2 MHz
8 MHz
8.2 MHz
12 MHz
16 MHz
20 MHz
24 MHz
25 MHz
26 MHz
32 MHz
33 MHz
36 MHz
40 MHz
40.8 MHz
41.667 MHz
42 MHz
45 MHz
48 MHz
50 MHz

4 I/O
7 I/O
8 I/O
9 I/O
10 I/O
12 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
24 I/O
25 I/O
26 I/O

256 B
1 kB
2 kB
3 kB
3.5 kB
3.53 kB
3.6 kB
3.61 kB
3.67 kB
3.72 kB
3.75 kB
3.8 kB
3.81 kB
3.83 kB
3.84 kB
4 kB
5 kB
5.5 kB
6 kB
7 kB

1.08 V
1.14 V
1.2 V
1.6 V
1.62 V
1.65 V
1.68 V
1.7 V
1.71 V
1.72 V
1.74 V
1.75 V
1.8 V
1.85 V
1.98 V
2 V
2.15 V
2.2 V
2.25 V
2.3 V

1.2 V
1.32 V
1.6 V
1.8 V
1.89 V
1.9 V
1.95 V
1.955 V
1.98 V
1.995 V
2.7 V
2.75 V
3 V
3.3 V
3.465 V
3.6 V
3.6 V, 5.5 V
3.63 V
3.8 V
4.5 V