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:
$4.53
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
$4.53
10
$2.98
25
$2.75
100
$2.39
1,500
$1.85
3,000
View
250
$2.24
500
$1.96
1,000
$1.85
3,000
$1.59
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:
$4.99
2,120 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
2,120 In Stock
Alternative Packaging
1
$4.99
10
$3.37
25
$3.13
100
$2.72
1,500
$2.11
3,000
View
250
$2.54
500
$2.23
1,000
$2.11
3,000
$1.80
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:
$3.44
5,987 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
5,987 In Stock
Alternative Packaging
1
$3.44
10
$2.90
25
$2.53
100
$2.37
500
View
500
$2.12
1,000
$1.97
2,520
$1.82
5,040
$1.75
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:
$5.48
995 In Stock
1,500 Expected 30/11/2026
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
995 In Stock
1,500 Expected 30/11/2026
Alternative Packaging
1
$5.48
10
$3.63
25
$3.30
100
$2.80
1,500
$2.07
3,000
View
250
$2.67
500
$2.39
1,000
$2.08
3,000
$2.03
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:
$5.92
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
$5.92
10
$3.92
25
$3.56
100
$3.03
250
View
250
$2.88
500
$2.58
1,000
$2.24
4,900
$2.22
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 Dual CAN High-Speed Microprocessor
DS80C390-FNR+
Analog Devices / Maxim Integrated
1:
$69.54
214 In Stock
Mouser Part No
700-DS80C390-FNR
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU Dual CAN High-Speed Microprocessor
214 In Stock
1
$69.54
10
$58.52
25
$55.32
100
$50.67
Buy
Min.: 1
Mult.: 1
Max.: 214
Details
8051
4 kB
4 kB
LQFP-64
40 MHz
No ADC
32 I/O
3.85 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
DS80C390
Tray
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation,
PIC18F46Q71-I/PT
Microchip Technology
1:
$2.46
38 In Stock
Mouser Part No
494-PIC18F46Q71-I/PT
Microchip Technology
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation,
38 In Stock
Alternative Packaging
1
$2.46
25
$2.26
100
$2.04
Buy
Min.: 1
Mult.: 1
Details
PIC18
64 kB
4 kB
TQFP-44
64 MHz
12 bit
37 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18F26/46/56Q71
Tray
8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V
AT89C5130A-RDTUM
Microchip Technology
1:
$12.48
6 In Stock
160 Expected 15/9/2026
Mouser Part No
556-A89C5130ARDTUM
Microchip Technology
8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V
6 In Stock
160 Expected 15/9/2026
1
$12.48
25
$11.44
100
$11.02
Buy
Min.: 1
Mult.: 1
Details
8051
16 kB
1 kB
VQFP-64
48 MHz
No ADC
34 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tray
8-bit Microcontrollers - MCU C5130A 32K Flash USB
AT89C5131A-PUTUM
Microchip Technology
1:
$10.28
130 In Stock
Mouser Part No
556-A89C5131A-PUTUM
Microchip Technology
8-bit Microcontrollers - MCU C5130A 32K Flash USB
130 In Stock
Buy
Min.: 1
Mult.: 1
Details
8051
32 kB
1 kB
QFN-32
48 MHz
No ADC
34 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tray
8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V
+3 images
AT89C5131A-TISUL
Microchip Technology
1:
$14.38
21 In Stock
Mouser Part No
556-A89C5131ATISUL
Microchip Technology
8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V
21 In Stock
Buy
Min.: 1
Mult.: 1
Details
8051
32 kB
1 kB
SOIC-28
48 MHz
No ADC
18 I/O
3 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU C51-CAN Bootloader CAN
+1 image
AT89C51CC02CA-SISUM
Microchip Technology
1:
$11.68
28 In Stock
Mouser Part No
556-A89C51C02CASISUM
Microchip Technology
8-bit Microcontrollers - MCU C51-CAN Bootloader CAN
28 In Stock
1
$11.68
25
$10.72
114
$9.71
Buy
Min.: 1
Mult.: 1
Details
8051
16 kB
512 B
PLCC-28
40 MHz
10 bit
20 I/O
3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU CTRL Bootloader CAN
+3 images
AT89C51CC02CA-TISUM
Microchip Technology
1:
$11.11
43 In Stock
Mouser Part No
556-A89C51C02CATISUM
Microchip Technology
8-bit Microcontrollers - MCU CTRL Bootloader CAN
43 In Stock
1
$11.11
27
$10.20
108
$9.26
Buy
Min.: 1
Mult.: 1
Details
8051
16 kB
512 B
SOIC-28
40 MHz
10 bit
20 I/O
3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU CTRL Bootloader UART
+1 image
AT89C51CC02UA-SISUM
Microchip Technology
1:
$11.68
13 In Stock
Mouser Part No
556-A89C51C02UASISUM
Microchip Technology
8-bit Microcontrollers - MCU CTRL Bootloader UART
13 In Stock
1
$11.68
25
$10.72
114
$9.71
Buy
Min.: 1
Mult.: 1
Details
8051
16 kB
512 B
PLCC-28
40 MHz
10 bit
20 I/O
3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU CTRL Boodloader UART
+3 images
AT89C51CC02UA-TISUM
Microchip Technology
1:
$11.11
54 In Stock
Mouser Part No
556-A89C51C02UATISUM
Microchip Technology
8-bit Microcontrollers - MCU CTRL Boodloader UART
54 In Stock
1
$11.11
27
$10.20
108
$9.26
Buy
Min.: 1
Mult.: 1
Details
8051
16 kB
512 B
SOIC-28
40 MHz
10 bit
20 I/O
3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT
+1 image
AT89C51CC03CA-SLSUM
Microchip Technology
1:
$15.75
11 In Stock
108 On Order
Mouser Part No
556-A89C51C03CASLSUM
Microchip Technology
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT
11 In Stock
108 On Order
View Dates
Stock:
11 Can Dispatch Immediately
On Order:
81 Expected 3/9/2026
27 Expected 14/9/2026
Factory Lead Time:
10 Weeks
Buy
Min.: 1
Mult.: 1
Details
8051
64 kB
2 kB
PLCC-44
60 MHz
10 bit
36 I/O
3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
AT89C51RC2-3CSUM
Microchip Technology
1:
$12.81
63 In Stock
240 Expected 4/9/2026
Mouser Part No
556-A89C51RC2-3CSUM
Microchip Technology
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
63 In Stock
240 Expected 4/9/2026
1
$12.81
30
$11.76
100
$10.65
Buy
Min.: 1
Mult.: 1
Details
8051
32 kB
1.25 kB
PDIP-40
60 MHz
No ADC
32 I/O
2.7 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com
+1 image
AT89C51RC2-SLSUM
Microchip Technology
1:
$11.68
151 In Stock
Mouser Part No
556-A89C51RC2SLSUM
Microchip Technology
8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com
151 In Stock
Buy
Min.: 1
Mult.: 1
Details
8051
32 kB
1.25 kB
PLCC-44
60 MHz
No ADC
32 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V
AT80C51RD2-3CSUM
Microchip Technology
1:
$6.87
192 In Stock
300 Expected 10/9/2026
Mouser Part No
556-AT80C51RD2-3CSUM
Microchip Technology
8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V
192 In Stock
300 Expected 10/9/2026
1
$6.87
30
$6.30
100
$6.02
Buy
Min.: 1
Mult.: 1
Details
8051
0 B
1.25 kB
PDIP-40
40 MHz
No ADC
32 I/O
2.7 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
80C
Tube
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512 EEPROM, 12b ADC2, 8-bit DAC, 8-bit DAC, 16-bit PWM
PIC18F16Q40-E/REB
Microchip Technology
1:
$1.80
1,068 In Stock
Mouser Part No
579-IC18F16Q40-E/REB
Microchip Technology
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512 EEPROM, 12b ADC2, 8-bit DAC, 8-bit DAC, 16-bit PWM
1,068 In Stock
1
$1.80
25
$1.65
100
$1.48
Buy
Min.: 1
Mult.: 1
Details
RISC
64 kB
4 kB
VQFN-20
64 MHz
12 bit
18 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
PIC18F06/16Q40
Tray
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512 EEPROM, 12b ADC2, 8-bit DAC, 8-bit DAC, 16-bit PWM
PIC18F16Q40T-I/SS
Microchip Technology
1:
$1.74
888 In Stock
1,600 Expected 15/9/2026
Mouser Part No
579-IC18F16Q40T-I/SS
Microchip Technology
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512 EEPROM, 12b ADC2, 8-bit DAC, 8-bit DAC, 16-bit PWM
888 In Stock
1,600 Expected 15/9/2026
Alternative Packaging
1
$1.74
25
$1.71
1,000
$1.44
1,600
$1.44
Buy
Min.: 1
Mult.: 1
Reel :
1,600
Details
RISC
64 kB
4 kB
SSOP-20
64 MHz
12 bit
18 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18F06/16Q40
Reel, Cut Tape
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC
PIC18F25Q43-I/STX
Microchip Technology
1:
$1.71
471 In Stock
Mouser Part No
579-IC18F25Q43-I/STX
Microchip Technology
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC
471 In Stock
Alternative Packaging
1
$1.71
25
$1.58
273
$1.43
Buy
Min.: 1
Mult.: 1
Details
PIC18
32 kB
2 kB
64 MHz
12 bit
25 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18F25/45/55Q50
Tube
8-bit Microcontrollers - MCU 64kB Flash, 4kB RAM, 1kB EE, nanoWatt XLP, GP
+1 image
PIC18F66K22-I/MR
Microchip Technology
1:
$6.77
103 In Stock
Mouser Part No
579-IC18F66K22-I/MR
Microchip Technology
8-bit Microcontrollers - MCU 64kB Flash, 4kB RAM, 1kB EE, nanoWatt XLP, GP
103 In Stock
Alternative Packaging
1
$6.77
25
$6.23
120
$5.62
Buy
Min.: 1
Mult.: 1
Details
PIC18
64 kB
2 kB
QFN-64
64 MHz
12 bit
53 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18F6xK22
Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD
PIC18LF25K42T-I/ML
Microchip Technology
1:
$2.61
56 In Stock
Mouser Part No
579-IC18LF25K42TI/ML
Microchip Technology
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD
56 In Stock
Buy
Min.: 1
Mult.: 1
Reel :
1,600
Details
PIC18
32 kB
2 kB
QFN-28
64 MHz
12 bit
25 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18(L)F2xK42
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 20MHz IndTemp PDIP18
PIC16C54C-20I/P
Microchip Technology
1:
$3.05
182 In Stock
300 Expected 3/9/2026
Mouser Part No
579-PIC16C54C-20I/P
Microchip Technology
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 20MHz IndTemp PDIP18
182 In Stock
300 Expected 3/9/2026
Buy
Min.: 1
Mult.: 1
Details
PIC16
512 B
25 B
PDIP-18
40 MHz
No ADC
12 I/O
4.5 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
PIC16(L)C5x
Tube
8-bit Microcontrollers - MCU 7 KB Flash 1kB RAM 48 MHz Int Osc
+1 image
PIC16F1454-I/P
Microchip Technology
1:
$2.60
278 In Stock
Mouser Part No
579-PIC16F1454-I/P
Microchip Technology
8-bit Microcontrollers - MCU 7 KB Flash 1kB RAM 48 MHz Int Osc
278 In Stock
1
$2.60
30
$2.37
120
$2.16
Buy
Min.: 1
Mult.: 1
Details
PIC16
14 kB
1 kB
PDIP-14
48 MHz
10 bit
11 I/O
2.3 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
PIC16(L)F145x
Tube