8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
+1 image
C8051F125-GQ
Silicon Labs
1:
$46.65
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
$46.65
10
$38.58
25
$36.96
100
$35.02
250
$35.00
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:
$39.99
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
$39.99
10
$33.52
25
$31.61
100
$28.79
250
$28.04
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 100 MHz 128 kB MAC 8-bit MCU
+1 image
C8051F131-GQR
Silicon Labs
1:
$34.51
20 In Stock
End of Life
Mouser Part # 634-C8051F131-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
20 In Stock
Alternative Packaging
1
$34.51
10
$28.88
25
$27.25
500
$27.06
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
128 kB
8.25 kB
TQFP-64
100 MHz
10 bit
32 I/O
3 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F131
Reel, Cut Tape
8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU
C8051F132-GQ
Silicon Labs
1:
$31.16
60 In Stock
End of Life
Mouser Part # 634-C8051F132-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU
60 In Stock
Alternative Packaging
1
$31.16
10
$27.14
25
$24.04
100
$23.11
250
View
250
$21.58
450
$21.23
900
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
8.25 kB
TQFP-100
100 MHz
10 bit
64 I/O
3 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F132
Tray
8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48
C8051F382-GQR
Silicon Labs
1:
$8.18
298 In Stock
End of Life
Mouser Part # 634-C8051F382-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48
298 In Stock
Alternative Packaging
1
$8.18
10
$5.71
25
$5.45
100
$4.73
500
$4.37
1,000
View
250
$4.52
1,000
$3.71
2,500
$3.68
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
32 kB
2.25 kB
TQFP-48
48 MHz
10 bit
40 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F382
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
C8051F384-GQ
Silicon Labs
1:
$8.44
202 In Stock
End of Life
Mouser Part # 634-C8051F384-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
202 In Stock
Alternative Packaging
1
$8.44
10
$6.33
25
$5.97
100
$5.28
250
View
250
$5.02
500
$4.86
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.35 kB
TQFP-48
48 MHz
40 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F384
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:
$13.15
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
$13.15
10
$10.36
25
$9.82
100
$9.06
500
$9.00
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:
$12.58
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
$12.58
10
$10.33
25
$9.26
100
$8.79
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:
$12.62
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
$12.62
10
$10.26
25
$9.78
100
$8.49
250
View
250
$8.11
500
$7.39
1,000
$6.66
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:
$13.01
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
$13.01
10
$10.58
25
$9.33
100
$8.44
250
View
250
$8.13
500
$8.02
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:
$13.00
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
$13.00
10
$10.57
25
$10.08
100
$8.75
250
$8.36
500
$8.02
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
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
C8051F581-IM
Silicon Labs
1:
$17.49
107 In Stock
End of Life
Mouser Part # 634-C8051F581-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
107 In Stock
Alternative Packaging
1
$17.49
10
$13.29
25
$12.74
100
$11.22
250
View
250
$10.67
500
$10.03
903
$10.02
2,709
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
QFN-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F581
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
+1 image
C8051F581-IQ
Silicon Labs
1:
$17.37
15 In Stock
End of Life
Mouser Part # 634-C8051F581-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
15 In Stock
Alternative Packaging
1
$17.37
10
$14.15
25
$12.75
100
$11.67
250
$11.20
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
QFP-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F581
AEC-Q100
Tray
8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48
C8051F581-IQR
Silicon Labs
1:
$17.63
15 In Stock
End of Life
Mouser Part # 634-C8051F581-IQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48
15 In Stock
Alternative Packaging
1
$17.63
10
$13.76
25
$12.43
100
$11.39
500
$10.56
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
128 kB
8.25 kB
QFN-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F581
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
C8051F931-G-GM
Silicon Labs
1:
$5.68
305 In Stock
End of Life
Mouser Part # 634-C8051F931-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
305 In Stock
Alternative Packaging
1
$5.68
10
$4.72
25
$3.98
100
$3.80
250
View
250
$3.50
500
$3.42
1,000
$2.97
1,911
$2.94
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:
$5.91
99 In Stock
End of Life
Mouser Part # 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
$5.91
10
$4.82
25
$4.19
100
$3.97
250
View
1,500
$2.94
250
$3.93
500
$3.53
1,000
$2.97
1,500
$2.94
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
8-bit Microcontrollers - MCU High-Speed Microcontroller
DS80C310-MCG+
Analog Devices / Maxim Integrated
1:
$30.65
11 In Stock
50 Expected 9/10/2026
Mouser Part # 700-DS80C310-MCG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed Microcontroller
11 In Stock
50 Expected 9/10/2026
1
$30.65
10
$25.43
30
$23.02
Buy
Min.: 1 Mult.: 1
Max.: 61
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 # 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
Buy
Min.: 1 Mult.: 1
Max.: 79
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 MICRO HS 44PLCC 25MHZ IND T&R PB-FR
+1 image
DS80C310-QNG+
Analog Devices / Maxim Integrated
1:
$35.16
46 In Stock
Mouser Part # 700-DS80C310-QNG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU MICRO HS 44PLCC 25MHZ IND T&R PB-FR
46 In Stock
Alternative Packaging
1
$35.16
10
$35.05
28
$29.22
Buy
Min.: 1 Mult.: 1
Max.: 46
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-MNL+
Analog Devices / Maxim Integrated
1:
$40.37
8 In Stock
Mouser Part # 700-DS80C320-MNL
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
8 In Stock
Buy
Min.: 1 Mult.: 1
Max.: 8
Details
8051
64 kB
256 B
PDIP-40
33 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 High-Speed/Low-Power Microcontrollers
+1 image
DS80C323-QCD+
Analog Devices / Maxim Integrated
1:
$13.27
56 In Stock
Mouser Part # 700-DS80C323-QCD
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
56 In Stock
Alternative Packaging
1
$13.27
10
$12.12
28
$9.71
Buy
Min.: 1 Mult.: 1
Max.: 56
Details
8051
64 kB
256 B
PLCC-44
18 MHz
No ADC
32 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
0 C
+ 70 C
DS80C323
Tube
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
+1 image
DS89C450-QNL+
Analog Devices / Maxim Integrated
1:
$47.03
36 In Stock
Mouser Part # 700-DS89C450-QNL
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
36 In Stock
1
$47.03
10
$43.40
28
$35.70
Buy
Min.: 1 Mult.: 1
Max.: 36
Details
8051
64 kB
1 kB
PLCC-44
33 MHz
No ADC
32 I/O
4.5 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
DS89C450
Tube
8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
+1 image
AT89C51ED2-SLSUM
Microchip Technology
1:
$10.31
1,410 Expected 9/4/2026
Mouser Part # 556-A89C51ED2SLSUM
Microchip Technology
8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
1,410 Expected 9/4/2026
1
$10.31
27
$9.45
108
$8.56
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
2 kB
PLCC-44
60 MHz
No ADC
34 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
C8051F390-A-GM
Silicon Labs
1:
$4.13
1,592 In Stock
Mouser Part # 634-C8051F390-A-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
1,592 In Stock
Alternative Packaging
1
$4.13
10
$3.41
25
$2.89
100
$2.76
250
View
250
$2.75
500
$2.55
1,000
$2.30
1,911
$2.26
Buy
Min.: 1 Mult.: 1
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
Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
C8051F390-A-GMR
Silicon Labs
1:
$5.52
1,497 Expected 11/12/2026
Mouser Part # 634-C8051F390-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
1,497 Expected 11/12/2026
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
Vietnam
