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:
NT$75.29
1,070 In Stock
End of Life
Mouser Part # 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
NT$75.29
10
NT$63.45
25
NT$58.79
100
NT$52.70
250
View
250
NT$49.11
500
NT$46.96
1,000
NT$42.66
2,500
NT$41.59
5,000
NT$40.51
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 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-5QFN32
Silicon Labs
1:
NT$161.33
1,358 In Stock
End of Life
Mouser Part # 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
NT$161.33
10
NT$106.83
25
NT$97.51
100
NT$82.81
250
View
250
NT$78.51
500
NT$70.62
1,000
NT$65.61
2,500
NT$60.95
4,599
NT$60.59
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 FS70AB037A - Repl for Intel 80C188EB
IA188EBPLC84IR2
Analog Devices
1:
NT$5,136.59
17 In Stock
Mouser Part # 584-IA188EBPLC84IR2
Analog Devices
8-bit Microcontrollers - MCU FS70AB037A - Repl for Intel 80C188EB
17 In Stock
1
NT$5,136.59
10
NT$4,324.94
Buy
Min.: 1 Mult.: 1
Max.: 17
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
EFM8BB21F16G-C-QFN20
Silicon Labs
1:
NT$57.72
263 In Stock
2,520 Expected 1/8/2027
Mouser Part # 634-8BB21F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
263 In Stock
2,520 Expected 1/8/2027
Alternative Packaging
1
NT$57.72
10
NT$49.11
25
NT$43.02
100
NT$40.15
250
View
250
NT$38.72
500
NT$34.13
1,000
NT$31.76
2,520
NT$30.65
5,040
NT$30.04
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFN-20
50 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB2
Tube
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:
NT$75.29
1,412 In Stock
Mouser Part # 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
NT$75.29
10
NT$63.45
25
NT$54.13
100
NT$51.27
250
View
250
NT$50.19
500
NT$44.45
2,500
NT$35.49
4,599
NT$34.70
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-QFN20
Silicon Labs
1:
NT$111.14
281 In Stock
Mouser Part # 634-8UB10F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
281 In Stock
Alternative Packaging
1
NT$111.14
10
NT$80.66
25
NT$74.57
100
NT$65.25
250
View
250
NT$60.95
500
NT$57.00
1,000
NT$55.21
2,520
NT$52.70
Buy
Min.: 1 Mult.: 1
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
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN20R
Silicon Labs
1:
NT$110.78
3,392 In Stock
49,500 On Order
Mouser Part # 634-8UB10F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
3,392 In Stock
49,500 On Order
View Dates
Alternative Packaging
Stock:
3,392 Can Ship Immediately
On Order:
9,000 Expected 1/7/2027
40,500 Expected 1/8/2027
Factory Lead-Time:
31 Weeks
1
NT$110.78
10
NT$80.66
25
NT$72.78
100
NT$65.61
250
View
1,500
NT$54.13
250
NT$64.53
500
NT$57.72
1,000
NT$54.13
1,500
NT$54.13
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-QFN28
Silicon Labs
1:
NT$97.15
473 In Stock
Mouser Part # 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
NT$97.15
10
NT$81.74
25
NT$69.55
100
NT$65.96
500
View
500
NT$59.15
1,000
NT$55.21
2,500
NT$53.78
4,599
NT$51.98
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
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16I-C-QFN20R
Silicon Labs
1:
NT$93.21
166 In Stock
Mouser Part # 634-BB21F16ICQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
166 In Stock
Alternative Packaging
1
NT$93.21
10
NT$60.59
25
NT$55.21
100
NT$46.61
250
View
1,500
NT$33.88
250
NT$43.74
500
NT$38.72
1,000
NT$33.91
1,500
NT$33.88
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-20
50 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB2
Reel, Cut Tape, MouseReel
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:
NT$93.93
88 In Stock
9,800 On Order
Mouser Part # 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
On Order:
4,900 Expected 10/16/2026
4,900 Expected 10/30/2026
Factory Lead-Time:
16 Weeks
1
NT$93.93
10
NT$78.87
25
NT$69.19
100
NT$65.61
250
View
250
NT$58.79
500
NT$56.64
1,000
NT$53.42
2,450
NT$52.70
4,900
NT$51.62
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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB21F16A-C-QFN20
Silicon Labs
1:
NT$146.99
44 In Stock
2,520 Expected 9/1/2026
Mouser Part # 634-EFM8BB21F16FN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
44 In Stock
2,520 Expected 9/1/2026
Alternative Packaging
1
NT$146.99
10
NT$106.12
25
NT$96.44
100
NT$83.89
500
NT$75.64
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.25 kB
QFN-20
50 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB2
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
C8051F353-GMR
Silicon Labs
1:
NT$462.47
103 In Stock
Mouser Part # 634-C8051F353-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
103 In Stock
Alternative Packaging
1
NT$462.47
10
NT$376.07
25
NT$330.54
100
NT$315.12
250
View
1,500
NT$254.18
250
NT$307.59
500
NT$281.42
1,000
NT$261.35
1,500
NT$254.18
3,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
768 B
QFN-28
50 MHz
16 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F353
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
C8051F506-IM
Silicon Labs
1:
NT$444.90
6 In Stock
Mouser Part # 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
NT$444.90
10
NT$361.73
25
NT$344.88
100
NT$299.35
250
View
250
NT$286.08
500
NT$260.63
1,000
NT$242.70
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 16K Flash 50MHz 8051 1.71V to 5.5V
CY8C3244AXI-153
Infineon Technologies
1:
NT$404.39
33 In Stock
Mouser Part # 727-CY8C3244AXI-153
Infineon Technologies
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
33 In Stock
Alternative Packaging
1
NT$404.39
10
NT$314.76
25
NT$285.72
100
NT$229.80
250
View
250
NT$228.72
450
NT$214.38
900
NT$204.70
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 64K Flash 50MHz 8051 1.71V to 5.5V
+1 image
CY8C3246LTI-149
Infineon Technologies
1:
NT$514.81
8 In Stock
Mouser Part # 727-CY8C3246LTI-149
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
8 In Stock
Alternative Packaging
1
NT$514.81
10
NT$399.73
25
NT$360.65
100
NT$339.86
250
View
250
NT$324.08
500
NT$309.03
1,000
NT$295.05
2,600
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
8 kB
QFN-68
50 MHz
12 bit
46 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3246
Tray
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O
+1 image
CY8C3246LTI-149T
Infineon Technologies
1:
NT$520.90
23 In Stock
Mouser Part # 727-CY8C3246LTI-149T
Infineon Technologies
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O
23 In Stock
Alternative Packaging
1
NT$520.90
10
NT$395.43
25
NT$379.29
100
NT$334.12
250
View
2,000
NT$280.71
250
NT$317.99
500
NT$297.20
1,000
NT$285.72
2,000
NT$280.71
4,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
8051
64 kB
8 kB
QFN-68
50 MHz
12 bit
46 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3246
Reel, Cut Tape
8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O
CY8C3446AXI-099T
Infineon Technologies
1:
NT$596.19
113 In Stock
Mouser Part # 727-CY8C3446AXI-099T
Infineon Technologies
8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O
113 In Stock
Alternative Packaging
1
NT$596.19
10
NT$467.48
25
NT$420.88
100
NT$398.29
250
View
1,500
NT$325.16
250
NT$387.54
500
NT$356.35
1,000
NT$335.20
1,500
NT$325.16
3,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,500
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
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
+1 image
CY8C3446LTI-085
Infineon Technologies
1:
NT$578.98
6 In Stock
Mouser Part # 727-CY8C3446LTI-085
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
6 In Stock
Alternative Packaging
1
NT$578.98
10
NT$453.14
25
NT$407.97
100
NT$385.75
250
View
250
NT$368.18
500
NT$348.46
1,000
NT$334.84
2,600
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
8 kB
QFN-68
50 MHz
12 bit
48 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 128 kB 8-bit MCU
+1 image
C8051F125-GQ
Silicon Labs
1:
NT$1,672.40
5 In Stock
End of Life
Mouser Part # 634-C8051F125-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
5 In Stock
Alternative Packaging
1
NT$1,672.40
10
NT$1,383.09
25
NT$1,325.02
100
NT$1,255.47
250
NT$1,254.75
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
TQFP-64
50 MHz
12 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F125
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
+1 image
C8051F127-GQ
Silicon Labs
1:
NT$1,433.64
6 In Stock
End of Life
Mouser Part # 634-C8051F127-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
6 In Stock
Alternative Packaging
1
NT$1,433.64
10
NT$1,201.69
25
NT$1,133.22
100
NT$1,032.12
250
NT$1,005.23
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 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48
C8051F500-IQR
Silicon Labs
1:
NT$471.43
23 In Stock
End of Life
Mouser Part # 634-C8051F500-IQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48
23 In Stock
Alternative Packaging
1
NT$471.43
10
NT$371.41
25
NT$352.05
100
NT$324.80
500
NT$322.65
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
64 kB
4.25 kB
TQFP-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F500
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
+1 image
C8051F501-IQ
Silicon Labs
1:
NT$450.99
20 In Stock
End of Life
Mouser Part # 634-C8051F501-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
20 In Stock
Alternative Packaging
1
NT$450.99
10
NT$370.33
25
NT$331.97
100
NT$315.12
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 8051 50 MHz 64 kB 5 V 8-bit MCU
C8051F503-IM
Silicon Labs
1:
NT$452.43
44 In Stock
End of Life
Mouser Part # 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
NT$452.43
10
NT$367.82
25
NT$350.61
100
NT$304.37
250
View
250
NT$290.74
500
NT$264.93
1,000
NT$238.76
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 50 MHz 32 kB 5 V 8-bit MCU
+1 image
C8051F505-IQ
Silicon Labs
1:
NT$466.41
21 In Stock
End of Life
Mouser Part # 634-C8051F505-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
21 In Stock
Alternative Packaging
1
NT$466.41
10
NT$379.29
25
NT$334.48
100
NT$302.57
250
View
250
NT$291.46
500
NT$287.52
Buy
Min.: 1 Mult.: 1
Details
8051
32 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
C8051F505
AEC-Q100
Tray
8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48
C8051F505-IQR
Silicon Labs
1:
NT$466.05
21 In Stock
End of Life
Mouser Part # 634-C8051F505-IQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48
21 In Stock
Alternative Packaging
1
NT$466.05
10
NT$378.93
25
NT$361.37
100
NT$313.69
250
NT$299.71
500
NT$287.52
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
32 kB
4.25 kB
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F505
Reel, Cut Tape
Taiwan
