8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN
AT89C51RD2T-RLTUM
Microchip Technology
1:
¥1,458.4
107 In Stock
320 Expected 8/18/2026
Mouser Part # 556-AT89C51RD2TLTUM
Microchip Technology
8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN
107 In Stock
320 Expected 8/18/2026
Alternative Packaging
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Details
8051
64 kB
2 kB
TQFP-44
60 MHz
34 I/O
2.7 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
AT89LP51-20AU
Microchip Technology
1:
¥285.7
130 In Stock
480 Expected 9/28/2026
Mouser Part # 556-AT89LP51-20AU
Microchip Technology
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
130 In Stock
480 Expected 9/28/2026
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Min.: 1 Mult.: 1
Details
8051
4 kB
256 B
TQFP-44
20 MHz
No ADC
36 I/O
2.4 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
+1 image
AT89LP51RD2-20JU
Microchip Technology
1:
¥988.3
143 In Stock
135 Expected 8/3/2026
Mouser Part # 556-AT89LP51RD2-20JU
Microchip Technology
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
143 In Stock
135 Expected 8/3/2026
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Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PLCC-44
20 MHz
10 bit
40 I/O
2.4 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
AT89LP51RD2-20PU
Microchip Technology
1:
¥887
89 In Stock
Mouser Part # 556-AT89LP51RD2-20PU
Microchip Technology
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
89 In Stock
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Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PDIP-40
20 MHz
10 bit
40 I/O
2.4 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
C8051F351-GMR
Silicon Labs
1:
¥2,744
97 In Stock
Mouser Part # 634-C8051F351-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
97 In Stock
Alternative Packaging
1
¥2,744
10
¥2,084.6
25
¥1,998.2
100
¥1,760.7
250
View
1,500
¥1,425.1
250
¥1,674.3
500
¥1,566.3
1,000
¥1,504.9
1,500
¥1,425.1
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Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
768 B
QFN-28
50 MHz
24 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F351
Reel, Cut Tape
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
C8051F381-GMR
Silicon Labs
1:
¥1,214.2
90 In Stock
Mouser Part # 634-C8051F381-GMR
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
90 In Stock
Alternative Packaging
1
¥1,214.2
10
¥986.6
25
¥910.2
100
¥817.2
250
View
1,500
¥666.1
250
¥769
500
¥747.5
1,000
¥682.7
1,500
¥666.1
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Min.: 1 Mult.: 1
Reel :1,500
Details
8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F381
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
C8051F383-GM
Silicon Labs
1:
¥958.4
21 In Stock
Mouser Part # 634-C8051F383-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
21 In Stock
Alternative Packaging
1
¥958.4
10
¥797.3
25
¥682.7
100
¥651.1
250
View
250
¥624.5
500
¥606.3
1,000
¥571.4
2,500
¥556.4
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
QFN-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F383
Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
C8051F392-A-GMR
Silicon Labs
1:
¥779
72 In Stock
Mouser Part # 634-C8051F392-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
72 In Stock
Alternative Packaging
1
¥779
10
¥578
25
¥518.2
100
¥466.7
250
View
1,500
¥365.4
250
¥441.8
500
¥413.6
1,000
¥375.4
1,500
¥365.4
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
16 kB
1 kB
QFN-20
50 MHz
10 bit
17 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
C8051F392
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
+2 images
C8051F850-C-GMR
Silicon Labs
1:
¥481.7
559 In Stock
Mouser Part # 634-C8051F850-C-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
559 In Stock
Alternative Packaging
1
¥481.7
10
¥395.3
25
¥363.8
100
¥322.2
1,500
¥244.2
3,000
View
250
¥300.6
500
¥284
1,000
¥254.1
3,000
¥240.8
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
512 B
QFN-20
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F850
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
CY8C3244AXI-153
Infineon Technologies
1:
¥1,596.2
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
¥1,596.2
10
¥1,242.4
25
¥1,063
100
¥1,024.8
250
View
250
¥1,006.6
450
¥978.3
900
¥928.5
2,700
Quote
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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 32K Flash 50MHz 8051 1.71V to 5.5V
CY8C3445PVI-094
Infineon Technologies
1:
¥1,974.9
134 In Stock
Mouser Part # 727-CY8C3445PVI-094
Infineon Technologies
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
134 In Stock
Alternative Packaging
1
¥1,974.9
10
¥1,548.1
25
¥1,423.5
100
¥1,398.6
250
View
250
¥1,264
600
¥1,214.2
1,200
¥1,171
3,000
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4 kB
SSOP-48
50 MHz
12 bit
29 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3445
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
+1 image
C8051F005-GQR
Silicon Labs
1:
¥5,291.9
234 In Stock
End of Life
Mouser Part # 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
¥5,291.9
10
¥4,865.1
500
¥3,870.1
2,500
Quote
2,500
Quote
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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:
¥6,750.3
143 In Stock
End of Life
Mouser Part # 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
¥6,750.3
10
¥5,659
25
¥5,336.8
100
¥4,863.4
250
View
250
¥4,737.2
800
Quote
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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:
¥7,144
379 In Stock
End of Life
Mouser Part # 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
¥7,144
10
¥5,893.2
25
¥5,531.1
100
¥5,418.2
250
¥5,403.2
500
¥4,667.4
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:
¥5,423.2
115 In Stock
End of Life
Mouser Part # 634-C8051F064-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
115 In Stock
Alternative Packaging
1
¥5,423.2
10
¥4,655.8
25
¥4,446.5
100
¥4,328.6
250
¥3,817
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 8051 50 MHz 128 kB 8-bit MCU
+1 image
C8051F127-GQ
Silicon Labs
1:
¥6,642.3
177 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
177 In Stock
Alternative Packaging
1
¥6,642.3
10
¥5,567.7
25
¥5,250.4
100
¥4,782
250
View
250
¥4,657.4
800
Quote
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 USB-Flash-32k-ADC-TQFP48
C8051F382-GQR
Silicon Labs
1:
¥1,358.7
750 In Stock
End of Life
Mouser Part # 634-C8051F382-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48
750 In Stock
Alternative Packaging
1
¥1,358.7
10
¥948.4
25
¥905.2
100
¥785.7
500
¥725.9
1,000
View
250
¥750.8
1,000
¥616.2
2,500
¥611.2
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 5 V CAN LIN 8-bit MCU
C8051F500-IM
Silicon Labs
1:
¥2,081.2
181 In Stock
End of Life
Mouser Part # 634-C8051F500-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
181 In Stock
Alternative Packaging
1
¥2,081.2
10
¥1,725.8
25
¥1,558
500
¥1,521.5
903
View
903
¥1,473.3
2,709
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F500
AEC-Q100
Tube
8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48
C8051F505-IQR
Silicon Labs
1:
¥2,159.3
248 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
248 In Stock
Alternative Packaging
1
¥2,159.3
10
¥1,755.7
25
¥1,674.3
100
¥1,453.4
500
¥1,293.9
1,000
View
250
¥1,388.6
1,000
¥1,179.3
2,500
Quote
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:
¥2,905.1
174 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
174 In Stock
Alternative Packaging
1
¥2,905.1
10
¥2,207.5
25
¥2,116.1
100
¥1,863.6
250
View
250
¥1,772.3
500
¥1,666
903
¥1,664.3
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 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
+3 images
C8051F920-G-GM
Silicon Labs
1:
¥720.9
63 In Stock
End of Life
Mouser Part # 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
¥720.9
10
¥601.3
25
¥513.2
100
¥491.7
1,000
View
1,000
¥475
2,500
¥463.4
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:
¥720.9
1,318 In Stock
End of Life
Mouser Part # 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
¥720.9
10
¥601.3
25
¥558.1
100
¥501.6
250
View
1,500
¥426.9
250
¥495
1,000
¥438.5
1,500
¥426.9
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:
¥662.7
996 In Stock
End of Life
Mouser Part # 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
¥662.7
10
¥551.5
25
¥513.2
100
¥461.8
250
View
1,500
¥400.3
250
¥451.8
1,000
¥413.6
1,500
¥400.3
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:
¥913.6
1,278 In Stock
End of Life
Mouser Part # 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
¥913.6
10
¥759.1
25
¥651.1
100
¥619.6
250
View
250
¥594.6
500
¥576.4
1,000
¥541.5
2,500
¥529.9
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 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
+1 image
ML51BB9AE
Nuvoton
1:
¥137.9
800 In Stock
Mouser Part # 503-ML51BB9AE
Nuvoton
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
800 In Stock
1
¥137.9
10
¥100
80
¥94.3
240
¥89.4
560
View
560
¥85.7
1,040
¥82.1
2,560
¥76.4
5,040
¥73.1
10,000
¥72.1
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
1 kB
MSOP-10
24 MHz
12 bit
7 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
Tube
Japan
