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:
$2.02
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
$2.02
10
$1.71
25
$1.43
100
$1.35
250
View
250
$1.31
500
$1.26
1,000
$1.13
1,911
$1.10
5,733
$1.05
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 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8A-A-QFN20
Silicon Labs
1:
$3.53
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
$3.53
10
$2.32
25
$1.91
100
$1.73
250
View
250
$1.66
500
$1.52
1,000
$1.32
2,520
$1.27
5,040
$1.24
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 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB10F8G-A-QSOP24
Silicon Labs
1:
$1.69
152 In Stock
End of Life
Mouser Part No 634-8SB10F8GAQS24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
152 In Stock
Alternative Packaging
1
$1.69
10
$1.43
25
$1.25
100
$1.18
250
View
250
$1.10
500
$1.06
1,176
$1.04
2,352
$1.00
5,880
$0.99
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
QSOP-24
25 MHz
12 bit
17 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
+1 image
C8051F005-GQR
Silicon Labs
1:
$31.86
234 In Stock
End of Life
Mouser Part No 634-C8051F005-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
234 In Stock
Alternative Packaging
1
$31.86
10
$29.29
500
$23.30
2,500
Quote
2,500
Quote
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
32 kB
2.25 kB
TQFP-64
25 MHz
12 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F005
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
+1 image
C8051F021-GQ
Silicon Labs
1:
$40.64
143 In Stock
End of Life
Mouser Part No 634-C8051F021-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
143 In Stock
Alternative Packaging
1
$40.64
10
$34.07
25
$32.13
100
$29.28
250
View
250
$28.52
800
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.35 kB
TQFP-64
25 MHz
8 bit, 12 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F021
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
+1 image
C8051F021-GQR
Silicon Labs
1:
$43.01
379 In Stock
End of Life
Mouser Part No 634-C8051F021-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
379 In Stock
Alternative Packaging
1
$43.01
10
$35.48
25
$33.30
100
$32.62
250
$32.53
500
$28.10
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
64 kB
4.35 kB
TQFP-64
25 MHz
8 bit, 12 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F021
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
C8051F064-GQR
Silicon Labs
1:
$32.65
115 In Stock
End of Life
Mouser Part No 634-C8051F064-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
115 In Stock
Alternative Packaging
1
$32.65
10
$28.03
25
$26.77
100
$26.06
250
$22.98
Buy
Min.: 1 Mult.: 1
Reel :250
Details
8051
64 kB
4.25 kB
TQFP-100
25 MHz
16 bit
59 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F064
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
+3 images
C8051F920-G-GM
Silicon Labs
1:
$4.34
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
$4.34
10
$3.62
25
$3.09
100
$2.96
1,000
View
1,000
$2.86
2,500
$2.79
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:
$4.34
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
$4.34
10
$3.62
25
$3.36
100
$3.02
250
View
1,500
$2.57
250
$2.98
1,000
$2.64
1,500
$2.57
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 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24
+1 image
C8051F921-G-GMR
Silicon Labs
1:
$3.99
996 In Stock
End of Life
Mouser Part No 634-C8051F921-G-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24
996 In Stock
Alternative Packaging
1
$3.99
10
$3.32
25
$3.09
100
$2.78
250
View
1,500
$2.41
250
$2.72
1,000
$2.49
1,500
$2.41
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
32 kB
4.25 kB
QFN-24
25 MHz
10 bit
16 I/O
900 mV
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
C8051F930-G-GM
Silicon Labs
1:
$5.50
1,278 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
1,278 In Stock
Alternative Packaging
1
$5.50
10
$4.57
25
$3.92
100
$3.73
250
View
250
$3.58
500
$3.47
1,000
$3.26
2,500
$3.19
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 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F4I-A-QFN20
Silicon Labs
1:
$2.23
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
$2.23
10
$1.43
25
$1.27
100
$1.05
250
View
250
$0.912
500
$0.864
1,000
$0.726
2,520
$0.674
5,040
$0.656
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 4KB 232 RAM 33 I/O
PIC17C42A-25/P
Microchip Technology
1:
$10.03
20 In Stock
Mouser Part No 579-PIC17C42A-25/P
Microchip Technology
8-bit Microcontrollers - MCU 4KB 232 RAM 33 I/O
20 In Stock
Buy
Min.: 1 Mult.: 1
Details
PIC17
2 kB
232 B
PDIP-40
25 MHz
No ADC
33 I/O
4.5 V
5.5 V
Through Hole
8 bit
0 C
+ 70 C
PIC17(L)C4x
Tube
8-bit Microcontrollers - MCU 16KB 454 RAM 33 I/O
PIC17C44-25/P
Microchip Technology
1:
$14.06
1 In Stock
Mouser Part No 579-PIC17C44-25/P
Microchip Technology
8-bit Microcontrollers - MCU 16KB 454 RAM 33 I/O
1 In Stock
Buy
Min.: 1 Mult.: 1
Details
PIC17
8 kB
454 B
PDIP-40
25 MHz
No ADC
33 I/O
4.5 V
5.5 V
Through Hole
8 bit
0 C
+ 70 C
PIC17(L)C4x
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8G-A-CSP16
Silicon Labs
1:
$1.79
879 In Stock
800 On Order
Mouser Part No 634-8SB10F8G-A-CSP16
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
879 In Stock
800 On Order
View Dates
Alternative Packaging
Stock:
879 Can Dispatch Immediately
On Order:
200 Expected 12/08/2026
600 Expected 18/08/2026
Factory Lead Time:
20 Weeks
1
$1.79
10
$1.51
25
$1.40
100
$1.25
200
View
200
$1.24
600
$1.11
1,000
$1.00
2,600
$0.996
5,000
$0.969
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
CSP-16
25 MHz
12 bit
13 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
C8051F338-GM
Silicon Labs
1:
$10.91
57 In Stock
Mouser Part No 634-C8051F338-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
57 In Stock
Alternative Packaging
1
$10.91
10
$9.05
25
$7.73
100
$7.42
250
View
250
$7.26
500
$7.03
1,000
$6.73
1,911
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
768 B
QFN-24
25 MHz
10 bit
21 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F338
Tube
8-bit Microcontrollers - MCU High-Speed Microcontroller
DS80C310-MCG+
Analog Devices / Maxim Integrated
1:
$27.85
61 In Stock
Mouser Part No 700-DS80C310-MCG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed Microcontroller
61 In Stock
1
$27.85
10
$23.21
30
$21.56
100
$20.16
250
View
250
$19.34
500
$18.84
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PDIP-40
25 MHz
No ADC
32 I/O
4 V
5.5 V
Through Hole
8 bit
0 C
+ 70 C
DS80C310
Tube
8-bit Microcontrollers - MCU High-Speed Microcontroller
+1 image
DS80C310-QCG+
Analog Devices / Maxim Integrated
1:
$24.58
79 In Stock
Mouser Part No 700-DS80C310-QCG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed Microcontroller
79 In Stock
Alternative Packaging
1
$24.58
10
$20.47
28
$19.07
112
$17.61
252
View
252
$16.96
504
$16.51
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PLCC-44
25 MHz
No ADC
32 I/O
4 V
5.5 V
SMD/SMT
8 bit
0 C
+ 70 C
DS80C310
Tube
8-bit Microcontrollers - MCU High-Speed Microcontroller
+1 image
DS80C310-QNG+
Analog Devices / Maxim Integrated
1:
$33.09
46 In Stock
Mouser Part No 700-DS80C310-QNG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed Microcontroller
46 In Stock
Alternative Packaging
1
$33.09
10
$27.65
28
$25.84
112
$23.98
252
$23.16
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PLCC-44
25 MHz
No ADC
32 I/O
4 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
DS80C310
Tube
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
DS80C320-MCG+
Analog Devices / Maxim Integrated
1:
$26.31
58 In Stock
80 Expected 11/08/2026
Mouser Part No 700-DS80C320-MCG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
58 In Stock
80 Expected 11/08/2026
1
$26.31
10
$21.92
30
$20.34
100
$19.00
250
View
250
$18.22
500
$17.74
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PDIP-40
25 MHz
No ADC
32 I/O
4.5 V
5.5 V
Through Hole
8 bit
0 C
+ 70 C
DS80C320
Tube
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
DS80C320-MNG+
Analog Devices / Maxim Integrated
1:
$33.51
39 In Stock
30 Expected 14/08/2026
Mouser Part No 700-DS80C320-MNG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
39 In Stock
30 Expected 14/08/2026
1
$33.51
10
$28.00
30
$26.07
100
$24.43
250
$23.48
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PDIP-40
25 MHz
No ADC
32 I/O
4.5 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
DS80C320
Tube
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)
+2 images
C8051F330-GMR
Silicon Labs
1:
$11.42
24 In Stock
1,500 Expected 23/10/2026
NRND
Mouser Part No 634-C8051F330-GMR
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)
24 In Stock
1,500 Expected 23/10/2026
Alternative Packaging
1
$11.42
10
$9.28
25
$8.74
100
$7.71
250
View
1,500
$6.08
250
$7.39
500
$7.01
1,000
$6.27
1,500
$6.08
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
768 B
QFN-20
25 MHz
10 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F330
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
C8051F064-GQ
Silicon Labs
1:
$29.37
2 In Stock
End of Life
Mouser Part No 634-C8051F064-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
2 In Stock
Alternative Packaging
1
$29.37
10
$24.52
25
$23.86
250
$23.29
450
View
450
$23.28
2,700
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
TQFP-100
25 MHz
16 bit
59 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F064
Tray
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
C8051F931-G-GM
Silicon Labs
1:
$4.96
310 In Stock
End of Life
Mouser Part No 634-C8051F931-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
310 In Stock
Alternative Packaging
1
$4.96
10
$4.12
25
$3.48
100
$3.42
1,000
View
1,000
$3.05
1,911
$3.02
Buy
Min.: 1 Mult.: 1
Details
8051
64 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
Tube
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
C8051F931-G-GMR
Silicon Labs
1:
$5.58
99 In Stock
End of Life
Mouser Part No 634-C8051F931-G-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
99 In Stock
Alternative Packaging
1
$5.58
10
$4.54
25
$4.19
100
$3.74
1,500
$3.08
3,000
View
250
$3.51
500
$3.42
1,000
$3.26
3,000
$3.00
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
64 kB
4.25 kB
25 MHz
10 bit
16 I/O
900 mV
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
Israel
