8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
CY8C3446AXI-099
Infineon Technologies
1:
$15.11
355 In Stock
Mouser Part No 727-CY8C3446AXI-099
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
355 In Stock
Alternative Packaging
1
$15.11
10
$11.94
25
$10.33
100
$9.99
180
View
180
$9.82
540
$9.57
1,080
$9.45
2,520
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
8 kB
TQFP-100
50 MHz
12 bit
72 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3446
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
C8051F501-IM
Silicon Labs
1:
$11.99
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
$11.99
10
$9.94
25
$8.94
100
$8.93
250
View
250
$8.70
500
$7.95
903
$7.93
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:
$11.53
1,368 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
1,368 In Stock
Alternative Packaging
1
$11.53
10
$9.56
25
$8.92
100
$8.35
250
View
250
$8.15
500
$7.62
1,000
$7.32
2,500
Quote
Buy
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 FS70AB037A - Repl for Intel 80C188EB
IA188EBPLC84IR2
Analog Devices
1:
$137.92
17 In Stock
Mouser Part No 584-IA188EBPLC84IR2
Analog Devices
8-bit Microcontrollers - MCU FS70AB037A - Repl for Intel 80C188EB
17 In Stock
1
$137.92
10
$116.17
30
$116.16
Buy
Min.: 1 Mult.: 1
Details
80C188
0 B
0 B
PLCC-84
50 MHz
No ADC
16 I/O
4.5 V
5.5 V
SMD/SMT
8 bit/16 bit
- 40 C
+ 85 C
IA186EB, IA188EB
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
$2.00
25
$1.83
100
$1.58
1,500
$1.25
3,000
View
250
$1.48
500
$1.34
3,000
$1.04
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
2,692 In Stock
54,000 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
2,692 In Stock
54,000 On Order
View Dates
Alternative Packaging
Stock:
2,692 Can Dispatch Immediately
On Order:
9,000 Expected 04/08/2026
4,500 Expected 11/08/2026
40,500 Expected 19/02/2027
Factory Lead Time:
31 Weeks
1
$3.09
10
$2.24
25
$2.07
100
$1.83
250
View
1,500
$1.29
250
$1.71
500
$1.56
1,000
$1.30
1,500
$1.29
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
$2.11
100
$1.89
250
View
1,500
$1.56
250
$1.77
500
$1.64
1,000
$1.57
1,500
$1.56
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 08/01/2027
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 08/01/2027
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:
$14.02
1,109 In Stock
1,533 Expected 01/01/2027
Mouser Part No 634-C8051F411-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
1,109 In Stock
1,533 Expected 01/01/2027
Alternative Packaging
1
$14.02
10
$11.56
25
$10.11
100
$9.70
250
View
250
$9.38
500
$9.08
1,000
$8.77
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:
$2.44
6,387 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
6,387 In Stock
Alternative Packaging
1
$2.44
10
$2.05
25
$1.90
100
$1.68
250
View
250
$1.55
500
$1.50
1,000
$1.42
5,040
$1.38
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
1,395 In Stock
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
1,395 In Stock
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:
$16.52
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
$16.52
10
$12.55
25
$12.03
100
$10.60
250
View
1,500
$8.58
250
$10.08
500
$9.43
1,000
$9.06
1,500
$8.58
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, 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
$3.12
100
$2.81
250
View
1,500
$2.20
250
$2.66
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
$0.822
25
$0.731
100
$0.584
200
View
200
$0.583
600
$0.547
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:
$9.61
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
$9.61
10
$7.48
25
$6.40
100
$6.17
250
View
250
$6.06
450
$5.89
900
$5.59
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
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
+1 image
C8051F127-GQ
Silicon Labs
1:
$39.99
177 In Stock
End of Life
Mouser Part No 634-C8051F127-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
177 In Stock
Alternative Packaging
1
$39.99
10
$33.52
25
$31.61
100
$28.79
250
View
250
$28.04
800
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
TQFP-64
50 MHz
8 bit, 10 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F127
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
C8051F500-IM
Silicon Labs
1:
$12.53
181 In Stock
End of Life
Mouser Part No 634-C8051F500-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
181 In Stock
Alternative Packaging
1
$12.53
10
$10.39
25
$9.38
500
$9.16
903
View
903
$8.87
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
C8051F500
AEC-Q100
Tube
Israel
