8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
C8051F387-GM
Silicon Labs
1:
$6.86
208 In Stock
Mouser Part No 634-C8051F387-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
208 In Stock
Alternative Packaging
1
$6.86
10
$5.41
25
$4.88
100
$4.44
250
View
250
$3.88
500
$3.60
1,000
$3.19
2,500
$3.15
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.3 kB
QFN-32
48 MHz
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F387
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:
$4.05
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
$4.05
10
$3.31
25
$2.87
100
$2.71
1,500
$2.10
3,000
View
250
$2.65
500
$2.37
1,000
$2.14
3,000
$2.08
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:
$3.65
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
$3.65
10
$3.05
25
$2.60
100
$2.47
500
View
500
$2.28
1,000
$2.02
2,500
$1.95
4,599
$1.92
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:
$4.69
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
$4.69
10
$3.56
25
$3.11
100
$2.97
250
View
250
$2.66
500
$2.16
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:
$4.97
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
$4.97
10
$4.14
25
$3.54
100
$3.37
250
View
250
$3.04
500
$2.96
1,000
$2.64
2,500
$2.57
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:
$4.69
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
$4.69
10
$3.90
25
$3.62
100
$3.26
1,500
$2.74
3,000
View
250
$3.07
500
$2.98
1,000
$2.78
3,000
$2.69
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:
$5.71
1,260 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
1,260 In Stock
Alternative Packaging
1
$5.71
10
$4.74
25
$4.07
100
$3.88
500
View
500
$3.60
1,000
$3.19
2,500
$3.15
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
1,358 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
1,358 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
1
$1.62
25
$1.49
100
$1.33
Buy
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
1
$2.66
25
$2.44
100
$2.20
Buy
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
1
$3.69
25
$3.39
100
$3.07
Buy
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
279 In Stock
980 Expected 04/09/2026
Mouser Part No 556-ATMEGA328PB-MN
Microchip Technology
8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN
279 In Stock
980 Expected 04/09/2026
Alternative Packaging
1
$1.56
25
$1.43
100
$1.29
Buy
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:
$2.62
88 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
88 In Stock
9,800 On Order
View Dates
Alternative Packaging
Stock:
88 Can Dispatch Immediately
On Order:
4,900 Expected 16/10/2026
4,900 Expected 30/10/2026
Factory Lead Time:
16 Weeks
1
$2.62
10
$2.20
25
$1.93
100
$1.83
250
View
250
$1.64
500
$1.58
1,000
$1.49
2,450
$1.47
4,900
$1.44
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
319 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
319 In Stock
2,400 Expected 25/08/2026
Alternative Packaging
1
$0.94
10
$0.809
100
$0.679
200
$0.648
600
View
600
$0.543
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:
$1.41
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
$1.41
10
$1.00
25
$0.877
100
$0.784
200
View
200
$0.73
600
$0.683
1,000
$0.625
2,600
$0.575
5,000
$0.557
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:
$3.62
279 In Stock
Mouser Part No 634-LB12F64ES1CQFN32
Silicon Labs
8-bit Microcontrollers - MCU
279 In Stock
Alternative Packaging
1
$3.62
10
$3.03
25
$2.66
100
$2.52
250
View
250
$2.27
500
$2.17
1,000
$1.88
2,450
$1.81
4,900
$1.78
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
Buy
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
1
$3.73
1,000
$3.53
4,000
$3.52
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 8-bit MCU
C8051F383-GM
Silicon Labs
1:
$5.99
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
$5.99
10
$5.73
25
$4.27
100
$4.07
500
View
500
$3.79
1,000
$3.56
2,500
$3.53
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 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:
$2.53
787 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
787 In Stock
Alternative Packaging
1
$2.53
10
$2.13
25
$1.81
100
$1.72
250
View
250
$1.64
500
$1.58
1,000
$1.38
2,500
$1.35
4,599
$1.33
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
8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R
+3 images
ATMEGA328PB-MNR
Microchip Technology
1:
$1.65
10,299 Expected 05/04/2027
Mouser Part No 556-ATMEGA328PB-MNR
Microchip Technology
8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R
10,299 Expected 05/04/2027
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Reel :6,000
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
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN/MLF
+3 images
ATMEGA328PB-MU
Microchip Technology
1:
$1.52
18,751 On Order
Mouser Part No 556-ATMEGA328PB-MU
Microchip Technology
8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN/MLF
18,751 On Order
View Dates
Alternative Packaging
On Order:
3,561 Expected 09/10/2026
15,190 Expected 16/11/2026
Factory Lead Time:
21 Weeks
Buy
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
+ 85 C
ATmega328PB
AEC-Q100
Tray
Israel
