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128 kB Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Program Memory Size = 128 kB

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Part #

8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V

ATMEGA1281-16MU
Microchip Technology
1: $11.42
379In Stock

Mfr. Part No.
ATMEGA1281-16MU

Mouser Part No
556-ATMEGA1281-16MU

Microchip Technology

8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V

Datasheet

379In Stock

$11.42

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

AVR

128 kB

8 bit

10 bit

16 MHz

54 I/O

8 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins

ATMEGA1281V-8MU
Microchip Technology
1: $11.42
422In Stock

Mfr. Part No.
ATMEGA1281V-8MU

Mouser Part No
556-ATMEGA1281V8MU

Microchip Technology

8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins

Datasheet

422In Stock

$11.42

$10.49

$9.50

Min.: 1
Mult.: 1

SMD/SMT

MLF-64

AVR

128 kB

8 bit

10 bit

8 MHz

54 I/O

8 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

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

ATMEGA1284-PU
Microchip Technology
1: $6.93
943In Stock

Mfr. Part No.
ATMEGA1284-PU

Mouser Part No
556-ATMEGA1284-PU

Microchip Technology

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

Learn More

Datasheet

943In Stock

$6.93

Min.: 1
Mult.: 1

Through Hole

PDIP-40

AVR

128 kB

8 bit

10 bit

20 MHz

32 I/O

16 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM

ATMEGA1284P-AUR
Microchip Technology
1: $7.15
1,689In Stock
2,000Expected 11/08/2026

Mfr. Part No.
ATMEGA1284P-AUR

Mouser Part No
556-ATMEGA1284P-AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM

Learn More

Datasheet

1,689In Stock

2,000Expected 11/08/2026

Cut Tape

$7.15

Reel

$7.15

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 128KB Flash 20MHz 1.8V-5.5V

ATMEGA1284P-MU
Microchip Technology
1: $6.99
441In Stock

Mfr. Part No.
ATMEGA1284P-MU

Mouser Part No
556-ATMEGA1284P-MU

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

441In Stock

$6.99

Min.: 1
Mult.: 1

SMD/SMT

VQFN-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

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

ATMEGA1284P-PU
Microchip Technology
1: $7.43
1,081In Stock

Mfr. Part No.
ATMEGA1284P-PU

Mouser Part No
556-ATMEGA1284P-PU

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

1,081In Stock

$7.43

Min.: 1
Mult.: 1

Through Hole

PDIP-40

AVR

128 kB

8 bit

10 bit

20 MHz

32 I/O

16 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 128K FLSH-16MHz IND TEMP 5V

ATMEGA128A-AUR
Microchip Technology
1: $7.40
532In Stock
5,000Expected 28/09/2026

Mfr. Part No.
ATMEGA128A-AUR

Mouser Part No
556-ATMEGA128A-AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 128K FLSH-16MHz IND TEMP 5V

Datasheet

532In Stock

5,000Expected 28/09/2026

Cut Tape

$7.40

Reel

$7.40

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 128kB Flash 4kB EEPROM 53 I/O Pins

ATMEGA128L-8MU
Microchip Technology
1: $15.01
396In Stock

Mfr. Part No.
ATMEGA128L-8MU

Mouser Part No
556-ATMEGA128L-8MU

Microchip Technology

8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 53 I/O Pins

Datasheet

396In Stock

$15.01

Min.: 1
Mult.: 1

SMD/SMT

MLF-64

AVR

128 kB

8 bit

10 bit

8 MHz

53 I/O

4 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3

ATSAM3U2CA-AU
Microchip Technology
1: $6.26
349In Stock

Mfr. Part No.
ATSAM3U2CA-AU

Mouser Part No
556-ATSAM3U2CA-AU

Microchip Technology

ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3

Learn More

Datasheet

349In Stock

$6.26

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M3

128 kB

32 bit

12 bit

96 MHz

57 I/O

36 kB

1.62 V

1.95 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R

ATSAMC21J17A-AUT
Microchip Technology
1: $3.35
1,470In Stock

Mfr. Part No.
ATSAMC21J17A-AUT

Mouser Part No
556-ATSAMC21J17A-AUT

Microchip Technology

ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R

Learn More

Datasheet

1,470In Stock

Cut Tape

$3.35

Reel

$3.35

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

TQFP-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

52 I/O

16 kB

2.7 V

5.5 V

- 40 C

+ 85 C

AEC-Q100

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Cortex-M0+ 128KB FLASH 16KB SRAM

ATSAMD20J17A-AU
Microchip Technology
1: $2.93
3,281In Stock

Mfr. Part No.
ATSAMD20J17A-AU

Mouser Part No
556-ATSAMD20J17A-AU

Microchip Technology

ARM Microcontrollers - MCU Cortex-M0+ 128KB FLASH 16KB SRAM

Learn More

Datasheet

3,281In Stock

$2.93

$2.67

$2.42

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

52 I/O

16 kB

3.3 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU CM0,TQFP32, 128kFlash,Trays,USB, I Temp

ATSAMD21E17D-AU
Microchip Technology
1: $2.80
1,886In Stock

Mfr. Part No.
ATSAMD21E17D-AU

Mouser Part No
556-ATSAMD21E17D-AU

Microchip Technology

ARM Microcontrollers - MCU CM0,TQFP32, 128kFlash,Trays,USB, I Temp

Learn More

Datasheet

1,886In Stock

$2.80

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

26 I/O

16 kB

1.62 V

3.63 V

- 40 C

+ 85 C

AEC-Q100

Tray

ARM Microcontrollers - MCU CM0,QFN32, 128kFlash,Trays,USB, I Temp

ATSAMD21E17D-MU
Microchip Technology
1: $2.87
801In Stock

Mfr. Part No.
ATSAMD21E17D-MU

Mouser Part No
556-ATSAMD21E17D-MU

Microchip Technology

ARM Microcontrollers - MCU CM0,QFN32, 128kFlash,Trays,USB, I Temp

Learn More

Datasheet

801In Stock

$2.87

Min.: 1
Mult.: 1

SMD/SMT

VQFN-32

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

26 I/O

16 kB

1.62 V

3.63 V

- 40 C

+ 85 C

AEC-Q100

Tray

ARM Microcontrollers - MCU 32QFN IND TEMP, GREEN,1.6-3.6V,48MHz

ATSAMD21E17D-MUT
Microchip Technology
1: $3.14
2,982In Stock

Mfr. Part No.
ATSAMD21E17D-MUT

Mouser Part No
556-ATSAMD21E17D-MUT

Microchip Technology

ARM Microcontrollers - MCU 32QFN IND TEMP, GREEN,1.6-3.6V,48MHz

Learn More

Datasheet

2,982In Stock

Cut Tape

$3.14

Reel

$3.14

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

VQFN-32

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

26 I/O

16 kB

1.62 V

3.63 V

- 40 C

+ 85 C

AEC-Q100

Reel, Cut Tape

ARM Microcontrollers - MCU CMO,TQFP32,Ligthing,128KFlash,Trays, Extended temp

ATSAMD21E17L-AF
Microchip Technology
1: $3.10
750In Stock

Mfr. Part No.
ATSAMD21E17L-AF

Mouser Part No
556-ATSAMD21E17L-AF

Microchip Technology

ARM Microcontrollers - MCU CMO,TQFP32,Ligthing,128KFlash,Trays, Extended temp

Learn More

Datasheet

750In Stock

$3.10

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

26 I/O

16 kB

1.62 V

3.63 V

- 40 C

+ 125 C

AEC-Q100

Tray

ARM Microcontrollers - MCU CM0,TQFP48, 128kFlash,T&R,USB, I Temp

ATSAMD21G17D-AUT
Microchip Technology
1: $3.03
1,318In Stock

Mfr. Part No.
ATSAMD21G17D-AUT

Mouser Part No
556-ATSAMD21G17D-AUT

Microchip Technology

ARM Microcontrollers - MCU CM0,TQFP48, 128kFlash,T&R,USB, I Temp

Learn More

Datasheet

1,318In Stock

Cut Tape

$3.03

Reel

$3.03

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

TQFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

38 I/O

16 kB

1.62 V

3.63 V

- 40 C

+ 85 C

AEC-Q100

Reel, Cut Tape

ARM Microcontrollers - MCU CM0, TQFP 64 , 128KFlash, USB, Extended Temp 125C, T&R

ATSAMD21J17D-AFT
Microchip Technology
1: $3.53
1,575In Stock

Mfr. Part No.
ATSAMD21J17D-AFT

Mouser Part No
556-ATSAMD21J17D-AFT

Microchip Technology

ARM Microcontrollers - MCU CM0, TQFP 64 , 128KFlash, USB, Extended Temp 125C, T&R

Learn More

Datasheet

1,575In Stock

Cut Tape

$3.53

Reel

$3.53

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

TQFP-64

ARM Cortex M0+

128 kB

32 bit

48 MHz

52 I/O

16 kB

1.62 V

3.63 V

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR8 128KB FLSH 8KB

ATXMEGA128A3U-MH
Microchip Technology
1: $8.27
269In Stock

Mfr. Part No.
ATXMEGA128A3U-MH

Mouser Part No
556-ATXMEGA128A3U-MH

Microchip Technology

8-bit Microcontrollers - MCU AVR8 128KB FLSH 8KB

Datasheet

269In Stock

$8.27

$7.60

$6.87

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

50 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 44TQFP, IND TEMP GREEN, 1.6-3.6V

ATXMEGA128A4U-AU
Microchip Technology
1: $6.18
1,266In Stock

Mfr. Part No.
ATXMEGA128A4U-AU

Mouser Part No
556-ATXMEGA128A4U-AU

Microchip Technology

8-bit Microcontrollers - MCU 44TQFP, IND TEMP GREEN, 1.6-3.6V

Datasheet

1,266In Stock

$6.18

$5.67

$5.13

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 49VFBGA, IND TEMP GREEN, 1.6-3.6V

ATXMEGA128A4U-CU
Microchip Technology
1: $6.55
857In Stock

Mfr. Part No.
ATXMEGA128A4U-CU

Mouser Part No
556-ATXMEGA128A4U-CU

Microchip Technology

8-bit Microcontrollers - MCU 49VFBGA, IND TEMP GREEN, 1.6-3.6V

Datasheet

857In Stock

$6.55

$5.99

$5.44

Min.: 1
Mult.: 1

SMD/SMT

BGA-49

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 44QFN, IND TEMP GREEN, 1.6-3.6V

ATXMEGA128A4U-MH
Microchip Technology
1: $5.61
678In Stock

Mfr. Part No.
ATXMEGA128A4U-MH

Mouser Part No
556-ATXMEGA128A4U-MH

Microchip Technology

8-bit Microcontrollers - MCU 44QFN, IND TEMP GREEN, 1.6-3.6V

Datasheet

678In Stock

$5.61

Min.: 1
Mult.: 1

SMD/SMT

VQFN-44

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 44TQFP 85C GREEN1.6-3.6V

ATXMEGA128A4U-AUR
Microchip Technology
1: $6.31
1,962In Stock

Mfr. Part No.
ATXMEGA128A4U-AUR

Mouser Part No
556-ATXMEGA128A4UAUR

Microchip Technology

8-bit Microcontrollers - MCU 44TQFP 85C GREEN1.6-3.6V

Datasheet

1,962In Stock

Cut Tape

$6.31

Reel

$6.31

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

TQFP-44

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 85C,1.6-3.6V MCU AVRMCU 8BIT

ATXMEGA128A4U-MHR
Microchip Technology
1: $5.75
924In Stock

Mfr. Part No.
ATXMEGA128A4U-MHR

Mouser Part No
556-ATXMEGA128A4UMHR

Microchip Technology

8-bit Microcontrollers - MCU 85C,1.6-3.6V MCU AVRMCU 8BIT

Datasheet

924In Stock

Cut Tape

$5.75

Reel

$5.75

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

SMD/SMT

VQFN-44

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 128KB FLSH;2KB EE;8K SRAM;1.6-3.6V;32MHz

ATXMEGA128D4-AU
Microchip Technology
1: $6.18
490In Stock

Mfr. Part No.
ATXMEGA128D4-AU

Mouser Part No
556-ATXMEGA128D4-AU

Microchip Technology

8-bit Microcontrollers - MCU 128KB FLSH;2KB EE;8K SRAM;1.6-3.6V;32MHz

Datasheet

490In Stock

$6.18

$5.67

$5.13

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR XMEGA 128KB FLASH2KB EE 8KB SRAM

ATXMEGA128D4-AUR
Microchip Technology
1: $6.31
330In Stock

Mfr. Part No.
ATXMEGA128D4-AUR

Mouser Part No
556-ATXMEGA128D4-AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR XMEGA 128KB FLASH2KB EE 8KB SRAM

Datasheet

330In Stock

Cut Tape

$6.31

Reel

$6.31

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

TQFP-44

AVR

128 kB

8 bit/16 bit

12 bit

32 MHz

34 I/O

8 kB

1.6 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

128 kB Microcontrollers - MCU

Types of Microcontrollers - MCU

Customer Service Office

Company

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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