8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins
ATTINY261A-MU
Microchip Technology
1:
$1.10
1,124 In Stock
Mouser Part No 556-ATTINY261A-MU
Microchip Technology
8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins
1,124 In Stock
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Details
AVR
2 kB
128 B
QFN-32
20 MHz
10 bit
16 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATtinyx61A
Tray
8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins
ATTINY461A-MU
Microchip Technology
1:
$1.16
184 In Stock
1,470 Expected 12/08/2026
Mouser Part No 556-ATTINY461A-MU
Microchip Technology
8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins
184 In Stock
1,470 Expected 12/08/2026
Alternative Packaging
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Min.: 1 Mult.: 1
Details
AVR
4 kB
256 B
QFN-32
20 MHz
10 bit
16 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATtinyx61A
Tray
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
C8051F381-GMR
Silicon Labs
1:
$7.31
90 In Stock
Mouser Part No 634-C8051F381-GMR
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
90 In Stock
Alternative Packaging
1
$7.31
10
$5.94
25
$5.48
100
$4.92
250
View
1,500
$4.01
250
$4.63
500
$4.50
1,000
$4.11
1,500
$4.01
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F381
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
C8051F383-GM
Silicon Labs
1:
$5.77
21 In Stock
Mouser Part No 634-C8051F383-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
21 In Stock
Alternative Packaging
1
$5.77
10
$4.80
25
$4.11
100
$3.92
250
View
250
$3.76
500
$3.65
1,000
$3.44
2,500
$3.35
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
QFN-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F383
Tube
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFN32R
Silicon Labs
1:
$3.82
163 In Stock
Mouser Part No 634-EFM8UB64GBQFN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
163 In Stock
Alternative Packaging
1
$3.82
10
$3.12
25
$2.87
100
$2.55
1,500
$2.00
3,000
View
250
$2.39
500
$2.28
1,000
$2.08
3,000
$1.96
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFN32
Silicon Labs
1:
$3.51
325 In Stock
Mouser Part No 634-EFM8UBF64GBQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
325 In Stock
Alternative Packaging
1
$3.51
10
$2.93
25
$2.50
100
$2.38
500
View
500
$2.20
1,000
$2.07
2,500
$2.00
4,599
$1.97
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Tube
8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE
CY8C20434-12LQXI
Infineon Technologies
1:
$4.52
246 In Stock
Mouser Part No 727-CY8C20434-12LQXI
Infineon Technologies
8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE
246 In Stock
Alternative Packaging
1
$4.52
10
$3.43
25
$3.16
100
$2.86
250
View
250
$2.56
500
$2.52
980
$2.42
2,940
$2.22
Buy
Min.: 1 Mult.: 1
Details
M8C
8 kB
512 B
QFN-32
12 MHz
No ADC
28 I/O
2.4 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C20434
Tray
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
+3 images
C8051F920-G-GM
Silicon Labs
1:
$4.34
63 In Stock
End of Life
Mouser Part No 634-C8051F920-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
63 In Stock
Alternative Packaging
1
$4.34
10
$3.62
25
$3.09
100
$2.96
1,000
View
1,000
$2.86
2,500
$2.79
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4.25 kB
QFN-32
25 MHz
10 bit
24 I/O
900 mV
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
+3 images
C8051F920-G-GMR
Silicon Labs
1:
$4.34
1,318 In Stock
End of Life
Mouser Part No 634-C8051F920-G-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
1,318 In Stock
Alternative Packaging
1
$4.34
10
$3.62
25
$3.36
100
$3.02
250
View
1,500
$2.57
250
$2.98
1,000
$2.64
1,500
$2.57
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
32 kB
4.25 kB
QFN-32
25 MHz
10 bit
24 I/O
900 mV
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
C8051F930-G-GM
Silicon Labs
1:
$5.50
1,278 In Stock
End of Life
Mouser Part No 634-C8051F930-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
1,278 In Stock
Alternative Packaging
1
$5.50
10
$4.57
25
$3.92
100
$3.73
250
View
250
$3.58
500
$3.47
1,000
$3.26
2,500
$3.19
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-32
25 MHz
10 bit
24 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-5QFN32
Silicon Labs
1:
$4.50
1,374 In Stock
End of Life
Mouser Part No 634-EF8BB31F64ID5F32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
1,374 In Stock
Alternative Packaging
1
$4.50
10
$2.98
25
$2.72
100
$2.31
250
View
250
$2.19
500
$1.97
1,000
$1.83
2,500
$1.70
4,599
$1.69
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.35 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C
ATMEGA48PA-MN
Microchip Technology
1:
$1.62
18 In Stock
NRND
Mouser Part No 556-ATMEGA48PA-MN
NRND
Microchip Technology
8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C
18 In Stock
Alternative Packaging
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Min.: 1 Mult.: 1
Details
AVR
4 kB
512 B
QFN-32
20 MHz
10 bit
23 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
ATmega48PA
Tray
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-16MHz 105C
ATMEGA8A-MN
Microchip Technology
1:
$2.66
246 In Stock
NRND
Mouser Part No 556-ATMEGA8A-MN
NRND
Microchip Technology
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-16MHz 105C
246 In Stock
Alternative Packaging
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Min.: 1 Mult.: 1
Details
AVR
8 kB
1 kB
QFN-32
16 MHz
10 bit
23 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega8A
Tray
8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST 16 MHz
AT90PWM3B-16MU
Microchip Technology
1:
$3.69
267 In Stock
Mouser Part No 556-A90PWM3B16MU
Microchip Technology
8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST 16 MHz
267 In Stock
Alternative Packaging
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Min.: 1 Mult.: 1
Details
AVR
8 kB
512 B
QFN-32
16 MHz
10 bit
27 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
AT90PWM3B
Tray
8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN
+3 images
ATMEGA328PB-MN
Microchip Technology
1:
$1.56
789 In Stock
980 Expected 21/09/2026
Mouser Part No 556-ATMEGA328PB-MN
Microchip Technology
8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN
789 In Stock
980 Expected 21/09/2026
Alternative Packaging
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Min.: 1 Mult.: 1
Details
AVR
32 kB
2 kB
QFN-32
20 MHz
10 bit
27 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
ATmega328PB
AEC-Q100
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFN32
Silicon Labs
1:
$2.53
208 In Stock
9,800 On Order
Mouser Part No 634-EF8BB31F64GDQN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
208 In Stock
9,800 On Order
View Dates
Alternative Packaging
Stock:
208 Can Dispatch Immediately
On Order:
4,900 Expected 16/10/2026
4,900 Expected 30/10/2026
Factory Lead Time:
16 Weeks
1
$2.53
10
$2.12
25
$1.97
100
$1.76
250
View
250
$1.58
500
$1.52
1,000
$1.45
2,450
$1.40
4,900
$1.37
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.35 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN32
Silicon Labs
1:
$0.94
331 In Stock
2,400 Expected 25/08/2026
Mouser Part No 634-EFM852F16GCQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
331 In Stock
2,400 Expected 25/08/2026
Alternative Packaging
1
$0.94
10
$0.809
25
$0.753
100
$0.635
200
View
200
$0.601
600
$0.552
1,000
$0.496
2,600
$0.425
5,000
$0.388
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
QFN-32
12 bit
29I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32G-C-QFN32
Silicon Labs
1:
$1.77
1,696 In Stock
Mouser Part No 634-EFM852F32GCQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
1,696 In Stock
Alternative Packaging
1
$1.77
10
$1.13
25
$1.01
100
$0.829
200
View
200
$0.721
600
$0.684
1,000
$0.574
2,600
$0.524
5,000
$0.508
Buy
Min.: 1 Mult.: 1
Details
32 kB
2.25 kB
QFN-32
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-QFN32
Silicon Labs
1:
$1.17
6 In Stock
600 On Order
Mouser Part No 634-EFM852F32ICQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
6 In Stock
600 On Order
View Dates
Alternative Packaging
Stock:
6 Can Dispatch Immediately
On Order:
400 Pending
200 Expected 28/08/2026
Factory Lead Time:
24 Weeks
1
$1.17
10
$1.00
25
$0.929
100
$0.909
200
View
200
$0.743
600
$0.722
1,000
$0.66
2,600
$0.612
5,000
$0.592
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
QFN-32
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F64ES1-C-QFN32
Silicon Labs
1:
$3.29
279 In Stock
Mouser Part No 634-LB12F64ES1CQFN32
Silicon Labs
8-bit Microcontrollers - MCU
279 In Stock
Alternative Packaging
1
$3.29
10
$2.75
25
$2.55
100
$2.29
250
View
250
$2.06
500
$1.98
1,000
$1.95
2,450
$1.88
4,900
$1.80
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
72 MHz
10 bit/12 bit/14 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 20MHz 105C
ATMEGA168PA-MN
Microchip Technology
1:
$2.15
10 In Stock
NRND
Mouser Part No 556-ATMEGA168PA-MN
NRND
Microchip Technology
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 20MHz 105C
10 In Stock
Alternative Packaging
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Min.: 1 Mult.: 1
Details
AVR
16 kB
1 kB
QFN-32
20 MHz
10 bit
23 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
ATmega168PA
Tray
8-bit Microcontrollers - MCU AVR 16K Flash 3PSC, 16MHz
AT90PWM316-16MUR
Microchip Technology
1:
$3.73
41 In Stock
Mouser Part No 556-AT90PWM316-16MUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 16K Flash 3PSC, 16MHz
41 In Stock
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
AVR
16 kB
1 kB
QFN-32
16 MHz
10 bit
27 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
AT90PWM316
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
C8051F506-IM
Silicon Labs
1:
$12.41
6 In Stock
Mouser Part No 634-C8051F506-IM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
6 In Stock
Alternative Packaging
1
$12.41
10
$10.09
25
$9.62
100
$8.35
250
View
250
$7.98
500
$7.27
1,000
$6.77
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4.25 kB
QFN-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F506
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
C8051F503-IM
Silicon Labs
1:
$12.62
44 In Stock
End of Life
Mouser Part No 634-C8051F503-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
44 In Stock
Alternative Packaging
1
$12.62
10
$10.26
25
$9.78
100
$8.49
250
View
250
$8.11
500
$7.39
1,000
$6.66
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F503
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F32G-B-QFN32
Silicon Labs
1:
$2.44
797 In Stock
End of Life
Mouser Part No 634-EFM8SBF32GBQFN32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
797 In Stock
Alternative Packaging
1
$2.44
10
$2.05
25
$1.74
100
$1.65
250
View
250
$1.57
500
$1.52
1,000
$1.37
2,500
$1.35
4,599
$1.34
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
32 kB
4.25 kB
QFN-32
25 MHz
10 bit
24 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Tube
Israel
