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128 kB Embedded Processors & Controllers

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Program Memory Size = 128 kB

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Part #

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

STM32L151CBT6A
STMicroelectronics
1: $9.60
1,327In Stock

Mfr. Part No.
STM32L151CBT6A

Mouser Part No
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

$9.60

$7.37

$6.47

$6.20

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

37 I/O

- 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: $10.24
1,005In Stock

Mfr. Part No.
STM32L151RBT6A

Mouser Part No
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

$10.24

$7.40

$7.10

$6.28

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

51 I/O

- 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: $6.20
2,286In Stock

Mfr. Part No.
STM32L412KBU3

Mouser Part No
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

$6.20

$4.72

$4.11

$3.93

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

40 kB

12 bit

26 I/O

- 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: $6.81
3,937In Stock

Mfr. Part No.
STM32L412RBT6

Mouser Part No
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

$6.81

$5.18

$4.53

$4.22

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M4

32 bit

80 MHz

128 kB

40 kB

2 x 12 bit

52 I/O

- 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: $6.79
1,247In Stock

Mfr. Part No.
STM32L412RBT6P

Mouser Part No
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

$6.79

$5.15

$4.49

$4.28

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

128 kB

40 kB

2 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

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

STM32L432KBU6
STMicroelectronics
1: $6.84
2,790In Stock
2,940On Order

Mfr. Part No.
STM32L432KBU6

Mouser Part No
511-STM32L432KBU6

STMicroelectronics

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

Learn More

Datasheet

2,790In Stock

2,940On Order

$6.84

$5.20

$4.53

$4.32

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

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

STM8S207RBT6
STMicroelectronics
1: $6.66
2,383In Stock

Mfr. Part No.
STM8S207RBT6

Mouser Part No
511-STM8S207RBT6

STMicroelectronics

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

Learn More

Datasheet

2,383In Stock

$6.66

$5.06

$4.41

$4.09

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-64

STM8

8 bit

24 MHz

128 kB

6 kB

10 bit

52 I/O

- 40 C

+ 85 C

Tray

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

STM8S208MBT6B
STMicroelectronics
1: $10.85
545In Stock
540Expected 19/8/2026

Mfr. Part No.
STM8S208MBT6B

Mouser Part No
511-STM8S208MBT6B

STMicroelectronics

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

Learn More

Datasheet

545In Stock

540Expected 19/8/2026

$10.85

$7.97

$7.43

$6.53

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-80

STM8

8 bit

24 MHz

128 kB

6 kB

10 bit

68 I/O

- 40 C

+ 85 C

Tray

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

STM8S208RBT6
STMicroelectronics
1: $7.55
804In Stock

Mfr. Part No.
STM8S208RBT6

Mouser Part No
511-STM8S208RBT6

STMicroelectronics

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

Learn More

Datasheet

804In Stock

$7.55

$5.75

$5.03

$4.68

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-64

STM8

8 bit

24 MHz

128 kB

6 kB

10 bit

52 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH

AT90CAN128-16MU
Microchip Technology
1: $13.14
842In Stock

Mfr. Part No.
AT90CAN128-16MU

Mouser Part No
556-A90CAN128-16MU

Microchip Technology

8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH

Learn More

Datasheet

842In Stock

$13.14

$12.02

$10.91

$10.89

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-64

AVR

8 bit

16 MHz

128 kB

4 kB

10 bit

53 I/O

- 40 C

+ 85 C

Tray

32-bit Microcontrollers - MCU 128KB, 144LQFP 85deg. Green

AT32UC3A0128-ALUR
Microchip Technology
1: $15.40
894In Stock

Mfr. Part No.
AT32UC3A0128-ALUR

Mouser Part No
556-AT32UC3A0128ALUR

Microchip Technology

32-bit Microcontrollers - MCU 128KB, 144LQFP 85deg. Green

Learn More

Datasheet

894In Stock

Cut Tape

$15.40

$14.85

$14.40

$14.12

Reel

$13.29

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-144

AVR

32 bit

66 MHz

128 kB

32 kB

10 bit

109 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

AT32UC3C1128C-AUR
Microchip Technology
1: $14.86
356In Stock

Mfr. Part No.
AT32UC3C1128C-AUR

Mouser Part No
556-AT32UC3C1128CAUR

Microchip Technology

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

Learn More

Datasheet

356In Stock

Cut Tape

$14.86

$14.36

Reel

$12.25

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

32-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

AVR

32 bit

66 MHz

128 kB

32 kB

12 bit

81 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

AT32UC3L0128-AUT
Microchip Technology
1: $11.34
422In Stock

Mfr. Part No.
AT32UC3L0128-AUT

Mouser Part No
556-AT32UC3L0128-AUT

Microchip Technology

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

Learn More

Datasheet

422In Stock

$11.34

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

AVR

32 bit

50 MHz

128 kB

32 kB

12 bit

36 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVRC11 128K Flash Green

AT90CAN128-16AUR
Microchip Technology
1: $13.38
658In Stock
2,000Expected 27/11/2026

Mfr. Part No.
AT90CAN128-16AUR

Mouser Part No
556-AT90CAN128-16AUR

Microchip Technology

8-bit Microcontrollers - MCU AVRC11 128K Flash Green

Learn More

Datasheet

658In Stock

2,000Expected 27/11/2026

Cut Tape

$13.38

Reel

$13.38

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

AVR

8 bit

16 MHz

128 kB

4 kB

10 bit

53 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

AT90USB1286-AU
Microchip Technology
1: $14.12
722In Stock

Mfr. Part No.
AT90USB1286-AU

Mouser Part No
556-AT90USB1286-AU

Microchip Technology

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

Datasheet

722In Stock

$14.12

$12.95

$11.72

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

AVR

8 bit

16 MHz

128 kB

8 kB

10 bit

48 I/O

- 40 C

+ 85 C

Tray

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

AT90USB1286-MU
Microchip Technology
1: $14.05
398In Stock

Mfr. Part No.
AT90USB1286-MU

Mouser Part No
556-AT90USB1286-MU

Microchip Technology

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

Datasheet

398In Stock

$14.05

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-64

AVR

8 bit

16 MHz

128 kB

8 kB

10 bit

48 I/O

- 40 C

+ 85 C

Tray

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

AT90USB1287-AU
Microchip Technology
1: $15.34
778In Stock

Mfr. Part No.
AT90USB1287-AU

Mouser Part No
556-AT90USB1287-AU

Microchip Technology

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

Datasheet

778In Stock

$15.34

$14.05

$12.70

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

AVR

8 bit

16 MHz

128 kB

8 kB

10 bit

48 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR USB 128K FLASH

AT90USB1287-MU
Microchip Technology
1: $15.34
1,212In Stock

Mfr. Part No.
AT90USB1287-MU

Mouser Part No
556-AT90USB1287-MU

Microchip Technology

8-bit Microcontrollers - MCU AVR USB 128K FLASH

Datasheet

1,212In Stock

$15.34

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-64

AVR

8 bit

16 MHz

128 kB

8 kB

10 bit

48 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA128-16AN
Microchip Technology
1: $21.45
95In Stock

Mfr. Part No.
ATMEGA128-16AN

Mouser Part No
556-ATMEGA128-16AN

Microchip Technology

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

Datasheet

95In Stock

$21.45

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

AVR

8 bit

16 MHz

128 kB

4 kB

10 bit

53 I/O

- 40 C

+ 105 C

Tray

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

ATMEGA1280V-8AUR
Microchip Technology
1: $19.37
552In Stock

Mfr. Part No.
ATMEGA1280V-8AUR

Mouser Part No
556-ATMEGA1280V-8AUR

Microchip Technology

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

Datasheet

552In Stock

Cut Tape

$19.37

Reel

$19.37

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

AVR

8 bit

8 MHz

128 kB

8 kB

Reel, Cut Tape, MouseReel

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

ATMEGA1281-16AUR
Microchip Technology
1: $15.80
957In Stock

Mfr. Part No.
ATMEGA1281-16AUR

Mouser Part No
556-ATMEGA1281-16AUR

Microchip Technology

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

Datasheet

957In Stock

Cut Tape

$15.80

Reel

$15.80

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

AVR

8 bit

16 MHz

128 kB

8 kB

Reel, Cut Tape, MouseReel

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

ATMEGA1284-AUR
Microchip Technology
1: $8.81
1,871In Stock

Mfr. Part No.
ATMEGA1284-AUR

Mouser Part No
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

$8.81

Reel

$8.81

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

AVR

8 bit

20 MHz

128 kB

16 kB

10 bit

32 I/O

- 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: $8.57
281In Stock

Mfr. Part No.
ATMEGA1284-MU

Mouser Part No
556-ATMEGA1284-MU

Microchip Technology

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

Learn More

Datasheet

281In Stock

$8.57

$7.86

$7.10

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

MLF-44

AVR

8 bit

20 MHz

128 kB

16 kB

10 bit

32 I/O

- 40 C

+ 85 C

Tray

RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SINGLECHIP

ATMEGA128RFA1-ZU
Microchip Technology
1: $11.55
354In Stock

Mfr. Part No.
ATMEGA128RFA1-ZU

Mouser Part No
556-ATMEGA128RFA1-ZU

Microchip Technology

RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SINGLECHIP

Learn More

Datasheet

354In Stock

$11.55

$10.55

$10.53

$10.51

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

VQFN-64

AVR

8 bit

16 MHz

128 kB

16 kB

38 I/O

+ 85 C

Tray

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

ATSAM4S2AB-AN
Microchip Technology
1: $5.48
1,987In Stock

Mfr. Part No.
ATSAM4S2AB-AN

Mouser Part No
556-ATSAM4S2AB-AN

Microchip Technology

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

Learn More

Datasheet

1,987In Stock

$5.48

$5.00

$4.53

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

120 MHz

128 kB

64 kB

12 bit

34 I/O

- 40 C

+ 105 C

Tray

128 kB Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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Support

BGA-100
BGA-112
BGA-121
BGA-136
BGA-176
BGA-225
BGA-36
BGA-49
BGA-64
CSP-36
CSP-42
CSP-81
DSBGA-28
DSBGA-34
DSBGA-64
FCBGA-532
FCCSP-532
FFBGA-144
HLQFP-100
HLQFP-176

8051
56800
56800E
80515
4T 8051
56800EX
78K0
78K0R
APS3
ARM7TDMI
ARM7TDMI-S
ARM Cortex M0
ARM Cortex M0, ARM Cortex M3
ARM Cortex M0+
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M23
ARM Cortex M3
ARM Cortex M33
Arm Cortex -M33
ARM Cortex M4

32 kHz
50 kHz
1 MHz
4 MHz
4.2 MHz
5 MHz
8 MHz
8.2 MHz
10 MHz
12 MHz
16 MHz
20 MHz
24 MHz
24.5 MHz
25 MHz
26 MHz
32 MHz
33 MHz
36 MHz
40 MHz

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

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

4 I/O
7 I/O
8 I/O
9 I/O
10 I/O
12 I/O
13 I/O
14 I/O
15 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