8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
+1 image
CY8C3245LTI-163
Infineon Technologies
1:
$9.75
733 In Stock
Mouser Part No 727-CY8C3245LTI-163
Infineon Technologies
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
733 In Stock
Alternative Packaging
1
$9.75
10
$7.59
25
$6.72
100
$6.45
250
View
250
$6.15
1,000
$5.64
2,600
Quote
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Min.: 1 Mult.: 1
Details
8051
32 kB
4 kB
QFN-68
50 MHz
12 bit
46 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3245
Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
CY8C3246PVI-147
Infineon Technologies
1:
$11.99
371 In Stock
Mouser Part No 727-CY8C3246PVI-147
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
371 In Stock
Alternative Packaging
1
$11.99
10
$11.30
25
$8.26
100
$7.95
600
View
600
$7.48
1,200
$7.10
3,000
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
8 kB
SSOP-48
50 MHz
12 bit
31 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3246
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
C8051F501-IM
Silicon Labs
1:
$12.94
600 In Stock
End of Life
Mouser Part No 634-C8051F501-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
600 In Stock
Alternative Packaging
1
$12.94
10
$10.65
25
$9.64
100
$8.97
250
View
250
$8.70
500
$8.05
903
$8.04
2,709
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F501
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
+1 image
C8051F501-IQ
Silicon Labs
1:
$12.46
1,338 In Stock
End of Life
Mouser Part No 634-C8051F501-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
1,338 In Stock
Alternative Packaging
1
$12.46
10
$9.99
25
$9.18
100
$8.43
250
View
250
$8.15
500
$7.62
1,000
$7.51
2,500
Quote
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Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFP-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F501
AEC-Q100
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
C8051F582-IM
Silicon Labs
1:
$15.99
5,023 In Stock
End of Life
Mouser Part No 634-C8051F582-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
5,023 In Stock
Alternative Packaging
1
$15.99
10
$13.27
25
$11.56
100
$11.23
250
View
250
$10.68
500
$9.99
1,000
$9.60
2,500
Quote
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Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
QFN-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F582
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16G-C-QFN28R
Silicon Labs
1:
$2.52
2,666 In Stock
Mouser Part No 634-8BB22F16GCQFN28R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
2,666 In Stock
Alternative Packaging
1
$2.52
10
$1.95
25
$1.77
100
$1.50
1,500
$1.25
3,000
View
500
$1.34
1,000
$1.25
3,000
$1.05
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-28
50 MHz
12 bit
22 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB2
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN20R
Silicon Labs
1:
$3.09
1,394 In Stock
49,500 On Order
Mouser Part No 634-8UB10F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
1,394 In Stock
49,500 On Order
View Dates
Alternative Packaging
Stock:
1,394 Can Dispatch Immediately
On Order:
9,000 Pending
40,500 Expected 15/01/2027
Factory Lead Time:
31 Weeks
1
$3.09
10
$2.25
25
$2.03
100
$1.83
250
View
1,500
$1.51
250
$1.80
500
$1.61
1,000
$1.51
1,500
$1.51
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-20
50 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN28R
Silicon Labs
1:
$2.71
4,493 In Stock
Mouser Part No 634-8UB10F16GCQFN28R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
4,493 In Stock
Alternative Packaging
1
$2.71
10
$2.28
25
$2.00
100
$1.89
1,500
$1.30
3,000
View
250
$1.86
500
$1.65
1,000
$1.45
3,000
$1.26
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-28
50 MHz
12 bit
22 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
+2 images
EFM8UB10F8G-C-QFN20
Silicon Labs
1:
$1.78
2,547 In Stock
5,040 Expected 11/09/2026
Mouser Part No 634-8UB10F8GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
2,547 In Stock
5,040 Expected 11/09/2026
Alternative Packaging
1
$1.78
10
$1.51
25
$1.40
100
$1.23
250
View
250
$1.14
500
$1.06
1,000
$0.919
2,520
$0.855
5,040
$0.837
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
2.25 kB
QFN-20
50 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
C8051F411-GM
Silicon Labs
1:
$13.76
1,108 In Stock
1,533 Expected 20/11/2026
Mouser Part No 634-C8051F411-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
1,108 In Stock
1,533 Expected 20/11/2026
Alternative Packaging
1
$13.76
10
$11.12
25
$10.12
100
$9.45
250
View
250
$9.35
500
$8.93
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.31 kB
QFN-28
50 MHz
12 bit
20 I/O
2 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F411
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFN32R
Silicon Labs
1:
$1.86
4,177 In Stock
Mouser Part No 634-EF8BB31F16GDN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
4,177 In Stock
Alternative Packaging
1
$1.86
10
$1.54
25
$1.41
100
$1.25
2,500
$0.928
5,000
View
250
$1.16
500
$1.10
1,000
$0.992
5,000
$0.904
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
CIP-51 8051
16 kB
2.3 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
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F32I-D-4QFN24R
Silicon Labs
1:
$3.33
1,520 In Stock
Mouser Part No 634-EF8BB31F32ID424R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,520 In Stock
Alternative Packaging
1
$3.33
10
$2.19
25
$2.02
100
$1.76
1,500
$1.36
3,000
View
250
$1.65
500
$1.44
1,000
$1.36
3,000
$1.17
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
32 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F64G-D-QFN24R
Silicon Labs
1:
$3.67
2,270 In Stock
Mouser Part No 634-EF8BB31F64GDF24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
2,270 In Stock
Alternative Packaging
1
$3.67
10
$2.48
25
$2.30
100
$2.00
1,500
$1.55
3,000
View
250
$1.87
500
$1.64
1,000
$1.55
3,000
$1.32
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
64 kB
4.35 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F64G-D-QFN24
Silicon Labs
1:
$2.53
5,987 In Stock
Mouser Part No 634-EF8BB31F64GDQF24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
5,987 In Stock
Alternative Packaging
1
$2.53
10
$2.13
25
$1.86
100
$1.74
500
View
500
$1.56
1,000
$1.45
2,520
$1.34
5,040
$1.29
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.35 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 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
+1 image
EFM8BB31F64I-D-4QFN24R
Silicon Labs
1:
$4.03
995 In Stock
1,500 Expected 30/11/2026
Mouser Part No 634-EF8BB31F64ID424R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
995 In Stock
1,500 Expected 30/11/2026
Alternative Packaging
1
$4.03
10
$2.67
25
$2.43
100
$2.06
1,500
$1.52
3,000
View
250
$1.96
500
$1.76
1,000
$1.53
3,000
$1.49
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
64 kB
4.35 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-QFN32
Silicon Labs
1:
$4.35
1,599 In Stock
Mouser Part No 634-EF8BB31F64IDQN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
1,599 In Stock
Alternative Packaging
1
$4.35
10
$2.88
25
$2.62
100
$2.23
250
View
250
$2.12
500
$1.90
1,000
$1.65
4,900
$1.63
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
Tray
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
C8051F351-GMR
Silicon Labs
1:
$16.55
97 In Stock
Mouser Part No 634-C8051F351-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
97 In Stock
Alternative Packaging
1
$16.55
10
$12.93
25
$11.90
100
$10.92
250
View
1,500
$8.98
250
$10.39
500
$9.72
1,000
$9.34
1,500
$8.98
3,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
768 B
QFN-28
50 MHz
24 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F351
Reel, Cut Tape
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
C8051F390-A-GMR
Silicon Labs
1:
$5.52
113 In Stock
Mouser Part No 634-C8051F390-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
113 In Stock
Alternative Packaging
1
$5.52
10
$3.79
25
$3.53
100
$3.11
250
View
1,500
$2.28
250
$2.95
500
$2.64
1,000
$2.29
1,500
$2.28
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
16 kB
1 kB
QFN-24
50 MHz
10 bit
21 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
C8051F390
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
C8051F392-A-GMR
Silicon Labs
1:
$4.69
72 In Stock
Mouser Part No 634-C8051F392-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
72 In Stock
Alternative Packaging
1
$4.69
10
$3.48
25
$3.11
100
$2.81
250
View
1,500
$2.20
250
$2.72
500
$2.49
1,000
$2.26
1,500
$2.20
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
16 kB
1 kB
QFN-20
50 MHz
10 bit
17 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
C8051F392
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN12
Silicon Labs
1:
$1.01
200 In Stock
Mouser Part No 634-M8BB50F16IAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
200 In Stock
Alternative Packaging
1
$1.01
25
$0.942
100
$0.82
200
$0.675
600
View
600
$0.623
1,000
$0.553
2,600
$0.504
5,000
$0.489
Buy
Min.: 1 Mult.: 1
Details
16 kB
512 B
QFN-12
50 MHz
12 bit
9 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
BB50
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN16
Silicon Labs
1:
$1.04
96 In Stock
Mouser Part No 634-M8BB50F16IAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
96 In Stock
Alternative Packaging
1
$1.04
10
$0.87
25
$0.778
100
$0.656
200
View
200
$0.625
600
$0.592
1,000
$0.498
2,600
$0.454
5,000
$0.44
Buy
Min.: 1 Mult.: 1
Details
16 kB
512 B
QFN-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
BB50
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN16
Silicon Labs
1:
$0.98
356 In Stock
Mouser Part No 634-M8BB50F4GAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
356 In Stock
Alternative Packaging
1
$0.98
10
$0.838
25
$0.78
100
$0.713
200
View
200
$0.616
600
$0.503
1,000
$0.485
2,600
$0.428
5,000
$0.391
Buy
Min.: 1 Mult.: 1
Details
4 kB
512 B
QFN-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
BB50
Cut Tape
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
CY8C3244AXI-153
Infineon Technologies
1:
$11.28
33 In Stock
Mouser Part No 727-CY8C3244AXI-153
Infineon Technologies
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
33 In Stock
Alternative Packaging
1
$11.28
10
$8.78
25
$7.97
100
$6.41
250
View
250
$6.38
450
$5.98
900
$5.71
2,700
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
2 kB
TQFP-100
50 MHz
12 bit
70 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3244
Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
CY8C3445PVI-094
Infineon Technologies
1:
$11.89
134 In Stock
Mouser Part No 727-CY8C3445PVI-094
Infineon Technologies
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
134 In Stock
Alternative Packaging
1
$11.89
10
$9.32
25
$8.57
100
$8.42
250
View
250
$7.61
600
$7.31
1,200
$7.05
3,000
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4 kB
SSOP-48
50 MHz
12 bit
29 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3445
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB21F16I-C-QSOP24
Silicon Labs
1:
$1.91
3,126 In Stock
End of Life
Mouser Part No 634-8BB21F16ICQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
3,126 In Stock
Alternative Packaging
1
$1.91
10
$1.62
100
$1.52
2,352
$1.42
5,880
$1.06
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QSOP-24
50 MHz
12 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB2
Tube
Israel
