8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-TSSOP20
Silicon Labs
1:
HK$11.01
380 In Stock
Mouser Part No 634-EFM852F16GCTOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
380 In Stock
Alternative Packaging
1
HK$11.01
10
HK$7.93
25
HK$7.11
100
HK$6.36
600
View
600
HK$5.36
1,000
HK$4.87
2,600
HK$4.45
5,000
HK$4.31
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
TSSOP-20
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 16 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-TSSOP20
Silicon Labs
1:
HK$11.26
402 In Stock
Mouser Part No 634-EFM852F32ICTOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
402 In Stock
Alternative Packaging
1
HK$11.26
10
HK$9.54
25
HK$8.38
100
HK$7.81
600
View
600
HK$6.54
1,000
HK$6.07
2,600
HK$5.56
5,000
HK$5.35
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
TSSOP-20
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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F8G-C-QFN20
Silicon Labs
1:
HK$16.03
294 In Stock
Mouser Part No 634-EFM8B51F8GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
294 In Stock
Alternative Packaging
1
HK$16.03
10
HK$9.78
25
HK$8.55
100
HK$6.43
600
View
600
HK$5.41
1,000
HK$4.86
2,600
HK$4.17
5,000
HK$3.81
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
QFN-20
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 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN12
Silicon Labs
1:
HK$8.30
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
HK$8.30
10
HK$7.10
25
HK$6.24
100
HK$5.57
200
View
200
HK$5.39
600
HK$4.87
1,000
HK$4.67
2,600
HK$4.32
5,000
HK$3.95
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 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F16G-B-QFN24
Silicon Labs
1:
HK$17.26
364 In Stock
Mouser Part No 634-EFM8SBF16GBQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
364 In Stock
Alternative Packaging
1
HK$17.26
10
HK$14.55
25
HK$12.17
100
HK$11.51
500
View
500
HK$10.69
1,000
HK$9.29
1,911
HK$9.04
5,733
HK$8.63
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
4.25 kB
QFN-24
25 MHz
10 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-QFN20R
Silicon Labs
1:
HK$12.25
1,060 In Stock
7,500 Expected 4/1/2027
Mouser Part No 634-EFM851F16GQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
1,060 In Stock
7,500 Expected 4/1/2027
Alternative Packaging
1
HK$12.25
10
HK$7.80
25
HK$6.96
100
HK$5.73
2,500
HK$3.97
5,000
View
250
HK$5.00
500
HK$4.73
1,000
HK$3.98
5,000
HK$3.95
Buy
Min.: 1 Mult.: 1
Reel :2,500
16 kB
1.28 kB
QFN-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F8G-C-TSSOP20
Silicon Labs
1:
HK$8.88
297 In Stock
Mouser Part No 634-EFM851F8GCTSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
297 In Stock
Alternative Packaging
1
HK$8.88
10
HK$7.41
25
HK$6.63
100
HK$6.18
600
View
600
HK$5.13
1,000
HK$4.72
2,600
HK$4.31
5,000
HK$4.18
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
TSSOP-20
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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN20
Silicon Labs
1:
HK$7.73
236 In Stock
Mouser Part No 634-EFM852F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
236 In Stock
Alternative Packaging
1
HK$7.73
10
HK$6.65
100
HK$6.12
200
HK$5.31
600
View
600
HK$5.03
1,000
HK$4.23
2,600
HK$3.86
5,000
HK$3.74
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
QFN-20
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 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN16
Silicon Labs
1:
HK$8.06
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
HK$8.06
10
HK$6.89
25
HK$6.06
100
HK$5.10
200
View
200
HK$4.60
600
HK$3.99
1,000
HK$3.76
2,600
HK$3.42
5,000
HK$3.12
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 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-5QFN32
Silicon Labs
1:
HK$36.99
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
HK$36.99
10
HK$24.50
25
HK$22.36
100
HK$18.99
250
View
250
HK$18.00
500
HK$16.19
1,000
HK$15.04
2,500
HK$13.97
4,599
HK$13.89
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 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32G-C-QFN32
Silicon Labs
1:
HK$14.55
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
HK$14.55
10
HK$9.29
25
HK$8.30
100
HK$6.81
200
View
200
HK$5.93
600
HK$5.62
1,000
HK$4.72
2,600
HK$4.31
5,000
HK$4.18
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 16 GPIO BB5 8-bit MCU
EFM8BB52F32G-C-TSSOP20
Silicon Labs
1:
HK$11.59
6 In Stock
Mouser Part No 634-EFM852F32GCTOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
6 In Stock
Alternative Packaging
1
HK$11.59
10
HK$9.95
25
HK$8.71
100
HK$7.62
200
View
200
HK$7.27
600
HK$6.85
1,000
HK$5.94
2,600
HK$5.42
5,000
HK$5.25
Buy
Min.: 1 Mult.: 1
Details
16 kB
1.28 kB
TSSOP-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8A-A-QFN20
Silicon Labs
1:
HK$30.25
20 In Stock
Mouser Part No 634-FM8BB10F8AAQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
20 In Stock
Alternative Packaging
1
HK$30.25
10
HK$20.39
25
HK$18.58
100
HK$15.70
250
View
250
HK$15.12
500
HK$12.91
1,000
HK$10.77
5,040
HK$10.52
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
AEC-Q100
Tube
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
AT89LP3240-20AU
Microchip Technology
1:
HK$86.23
60 In Stock
Mouser Part No 556-AT89LP3240-20AU
Microchip Technology
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
60 In Stock
1
HK$86.23
25
HK$79.32
100
HK$76.04
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4.25 kB
TQFP-44
20 MHz
10 bit
38 I/O
2.4 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+4 images
EFM8BB10F8G-A-SOIC16
Silicon Labs
1:
HK$9.54
1,570 In Stock
Mouser Part No 634-8BB10F8GASO16
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
1,570 In Stock
Alternative Packaging
1
HK$9.54
25
HK$6.77
100
HK$6.55
500
HK$5.94
1,008
View
1,008
HK$5.30
2,016
HK$4.83
5,040
HK$4.65
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
SOIC-16
25 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB1
Tube
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:
HK$8.55
71 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
71 In Stock
Alternative Packaging
1
HK$8.55
10
HK$7.15
25
HK$6.40
100
HK$5.39
200
View
200
HK$5.14
600
HK$4.87
1,000
HK$4.09
2,600
HK$3.73
5,000
HK$3.62
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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFP32
Silicon Labs
1:
HK$17.26
1,070 In Stock
End of Life
Mouser Part No 634-EF8BB31F16GDQP32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,070 In Stock
Alternative Packaging
1
HK$17.26
10
HK$14.55
25
HK$13.48
100
HK$12.08
250
View
250
HK$11.26
500
HK$10.77
1,000
HK$9.78
2,500
HK$9.54
5,000
HK$9.29
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFP-32
50 MHz
10 bit, 12 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB11F16G-C-QSOP24
Silicon Labs
1:
HK$22.03
122 In Stock
End of Life
Mouser Part No 634-8UB11F16GCQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
122 In Stock
Alternative Packaging
1
HK$22.03
10
HK$18.58
25
HK$16.11
100
HK$15.29
250
View
250
HK$14.30
500
HK$13.73
1,176
HK$12.25
2,352
HK$12.08
5,880
HK$11.84
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.25 kB
QSOP-24
50 MHz
12 bit
17 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Tube
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:
HK$11.59
6 In Stock
600 Expected 8/9/2026
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 Expected 8/9/2026
Alternative Packaging
1
HK$11.59
10
HK$8.22
25
HK$7.21
100
HK$6.44
200
View
200
HK$6.00
600
HK$5.61
1,000
HK$5.14
2,600
HK$4.73
5,000
HK$4.58
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 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F4I-A-QFN20
Silicon Labs
1:
HK$18.33
244 In Stock
End of Life
Mouser Part No 634-M8BB10F4IAQFN20
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
244 In Stock
Alternative Packaging
1
HK$18.33
10
HK$11.75
25
HK$10.44
100
HK$8.63
250
View
250
HK$7.50
500
HK$7.10
1,000
HK$5.97
2,520
HK$5.54
5,040
HK$5.39
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
4 kB
512 B
QFN-20
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
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:
HK$15.70
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
HK$15.70
10
HK$13.32
100
HK$12.49
2,352
HK$11.67
5,880
HK$8.71
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 16K Flash 50MHz 8051 1.71V to 5.5V
CY8C3244AXI-153
Infineon Technologies
1:
HK$92.72
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
HK$92.72
10
HK$72.17
25
HK$65.51
100
HK$52.69
250
View
250
HK$52.44
450
HK$49.16
900
HK$46.94
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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN32
Silicon Labs
1:
HK$7.73
1,119 In Stock
1,600 On Order
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
1,119 In Stock
1,600 On Order
View Dates
Alternative Packaging
Stock:
1,119 Can Dispatch Immediately
On Order:
800 Expected 25/8/2026
800 Expected 2/9/2026
Factory Lead Time:
24 Weeks
1
HK$7.73
10
HK$6.65
100
HK$5.58
200
HK$5.33
600
View
600
HK$4.46
1,000
HK$4.08
2,600
HK$3.49
5,000
HK$3.19
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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16G-C-QFN28
Silicon Labs
1:
HK$17.26
1,412 In Stock
Mouser Part No 634-8BB22F16GCQFN28
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,412 In Stock
Alternative Packaging
1
HK$17.26
10
HK$14.55
25
HK$12.41
100
HK$11.75
250
View
250
HK$11.51
500
HK$10.19
2,500
HK$8.14
4,599
HK$7.96
Buy
Min.: 1 Mult.: 1
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
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN28
Silicon Labs
1:
HK$22.28
473 In Stock
Mouser Part No 634-8UB10F16GCQFN28
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
473 In Stock
Alternative Packaging
1
HK$22.28
10
HK$18.74
25
HK$15.95
100
HK$15.12
500
View
500
HK$13.56
1,000
HK$12.66
2,500
HK$12.33
4,599
HK$11.92
Buy
Min.: 1 Mult.: 1
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
Tube
Hong Kong
