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8051

The 8-bit 8051 MCUs developed by Nuvoton, a leading supplier of microcontrollers, are designed to provide top-notch performance, making them an ideal choice for both consumer and industrial applications. These MCUs are pin-compatible with traditional 12T 8051 and boasts a wide operating voltage range of 2.4V to 5.5V. They can function seamlessly under industrial temperatures, ranging from -40°C to 85°C. A key feature of these microcontrollers is their 22.1184MHz internal oscillator, which offers 1% accuracy at 25°C and 5V. Furthermore, they come equipped with Data Flash configurability and an extensive set of I/O options, including PWM, ADC, UART, SPI, I²C, and comparators. Their support for ISP and ICP ensures easy programming and debugging. In terms of reliability, Nuvoton's 8-bit 8051 MCUs provide high noise immunity, with 8kV ESD and 4kV EFT protection. They are available in small, compact packages like TSSOP20 and QFN20 to cater to different space requirements in varied applications. All these features make Nuvoton's 8-bit 8051 MCUs one of the best choices in the market.

Product Category
8051 Industrial Control
8051 Low-Power
8051 Low Pin Count
8051 Standard
Product Series
MG51 Series
Low Power MUG51 series
Low Power Touch Key ML56 Series
Low Power ML51 Series
Industrial 8051 Series
Low Power LCD ML54 Series
N76E Series
N79E Series
Frequency
7.3728MHz
16MHz
20MHz
24MHz
25MHz
40MHz
Operating Voltage
1.8~3.6V
1.8~5.5V
2.4~5.5V
2.7~5.5V
2.8~5.5V
Memory Size
8KB
16KB
18KB
32KB
40KB
64KB
256KB
Number of I/O
7
8
11
12
16
17
18
24
25
26
28
30
38
40
42
43
46
55
56
PWM
4
4*10-bit
4*16-bit
5
5*8-bit
6*16-bit
8*12-bit
12*16-bit
Operating Temperature
-40~105˚C
-40~+105˚C
-40~+85˚C
Package
QFN32
LQFP32
LQFP44
LQFP48
LQFP48(7x7mm)
LQFP64
QFN20
QFN33
QFP44(10x10mm)
SOP16(150 MIL)
SOP20
SOP28
TSSOP14
TSSOP20
TSSOP20(4.4x6.5mm)
TSSOP28
TSSOP28(4.4x9.7mm)
MSOP10
PDIP20 (300 MIL)
PLCC44 (653x653 MIL)
SRAM
4KB
1KB
2KB
256KB
512KB
Touch Key
Y
LCD
4x32，6x30，8x28
Totals: 50
ComparePart NumberDescription
Unit Price
Availability Datasheet Product SeriesFrequencyOperating VoltageMemory SizeNumber of I/OPWMOperating TemperaturePackageSRAMTouch KeyCryptoUSB DeviceAudio CodecLCDCANEthernet MAC
MG51FB9AE
1T 8051， 24 MHz internal RC， on-chip debugger
Nuvoton
1
:
US$ 0.64
100
:
US$ 0.53
500
:
US$ 0.41
1,000
:
US$ 0.34
2,000
:
US$ 0.31
5,000+
:
Quote by quantity
In Stock: 74
MG51 Series 24MHz 2.4~5.5V 16KB 18 6*16-bit -40~105˚C TSSOP20 1KB
MG51XB9AE
1T 8051， 24 MHz internal RC， on-chip debugger
Nuvoton
1
:
US$ 0.64
100
:
US$ 0.53
500
:
US$ 0.41
1,000
:
US$ 0.34
2,000
:
US$ 0.31
5,000+
:
Quote by quantity
In Stock: 490
MG51 Series 24MHz 2.4~5.5V 16KB 18 6*16-bit -40~105˚C QFN20 1KB
MG51FC9AE
1T 8051， 24 MHz internal RC， on-chip debugger
Nuvoton
1
:
US$ 0.75
100
:
US$ 0.62
500
:
US$ 0.48
1,000
:
US$ 0.40
2,000
:
US$ 0.36
5,000+
:
Quote by quantity
In Stock: 74
MG51 Series 24MHz 2.4~5.5V 32KB 18 6*16-bit -40~105˚C TSSOP20 1KB
MG51XC9AE
1T 8051， 24 MHz internal RC， on-chip debugger
Nuvoton
1
:
US$ 0.75
100
:
US$ 0.62
500
:
US$ 0.48
1,000
:
US$ 0.40
2,000
:
US$ 0.36
5,000+
:
Quote by quantity
In Stock: 490
MG51 Series 24MHz 2.4~5.5V 32KB 18 6*16-bit -40~105˚C QFN20 1KB
ML51BB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 0.90
100
:
US$ 0.75
500
:
US$ 0.58
1,000
:
US$ 0.48
2,000
:
US$ 0.44
5,000+
:
Quote by quantity
Sample price $0.09 for first 5 pieces
In Stock: 495
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 7 6*16-bit -40~+105˚C MSOP10 1KB
ML51DB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 0.96
100
:
US$ 0.80
500
:
US$ 0.61
1,000
:
US$ 0.51
2,000
:
US$ 0.46
5,000+
:
Quote by quantity
Sample price $0.096 for first 5 pieces
In Stock: 157
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 11 6*16-bit -40~+105˚C TSSOP14 1KB
ML51FB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.05
100
:
US$ 0.88
500
:
US$ 0.67
1,000
:
US$ 0.56
2,000
:
US$ 0.51
5,000+
:
Quote by quantity
Sample price $0.105 for first 5 pieces
In Stock: 93
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 16 6*16-bit -40~+105˚C TSSOP20 1KB
ML51OB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.05
100
:
US$ 0.88
500
:
US$ 0.67
1,000
:
US$ 0.56
2,000
:
US$ 0.51
5,000+
:
Quote by quantity
Sample price $0.105 for first 5 pieces
In Stock: 61
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 16 6*16-bit -40~+105˚C SOP20 1KB
ML51XB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.05
100
:
US$ 0.88
500
:
US$ 0.67
1,000
:
US$ 0.56
2,000
:
US$ 0.51
5,000+
:
Quote by quantity
Sample price $0.105 for first 5 pieces
In Stock: 1k
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 17 6*16-bit -40~+105˚C QFN20 1KB
ML51EB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.20
100
:
US$ 1.00
500
:
US$ 0.77
1,000
:
US$ 0.64
2,000
:
US$ 0.58
5,000+
:
Quote by quantity
Sample price $0.12 for first 5 pieces
In Stock: 274
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 24 6*16-bit -40~+105˚C TSSOP28 1KB
ML51TB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.35
100
:
US$ 1.13
500
:
US$ 0.86
1,000
:
US$ 0.72
2,000
:
US$ 0.65
5,000+
:
Quote by quantity
Sample price $0.135 for first 5 pieces
In Stock: 175
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 28 6*16-bit -40~+105˚C QFN33 1KB
ML51EC0AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.53
100
:
US$ 1.28
500
:
US$ 0.98
1,000
:
US$ 0.82
2,000
:
US$ 0.74
5,000+
:
Quote by quantity
Sample price $0.153 for first 5 pieces
In Stock: 550
Low Power ML51 Series 24MHz 1.8~5.5V 32KB 24 6*16-bit -40~+105˚C TSSOP28 2KB
ML51PB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.53
100
:
US$ 1.28
500
:
US$ 0.98
1,000
:
US$ 0.82
2,000
:
US$ 0.74
5,000+
:
Quote by quantity
Sample price $0.153 for first 5 pieces
In Stock: 395
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 24 6*16-bit -40~+105˚C LQFP32 1KB
ML51UB9AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.53
100
:
US$ 1.28
500
:
US$ 0.98
1,000
:
US$ 0.82
2,000
:
US$ 0.74
5,000+
:
Quote by quantity
Sample price $0.153 for first 5 pieces
In Stock: 200
Low Power ML51 Series 24MHz 1.8~5.5V 16KB 24 6*16-bit -40~+105˚C SOP28 1KB
ML51PC0AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.59
100
:
US$ 1.33
500
:
US$ 1.02
1,000
:
US$ 0.85
2,000
:
US$ 0.77
5,000+
:
Quote by quantity
Sample price $0.159 for first 5 pieces
In Stock: 745
Low Power ML51 Series 24MHz 1.8~5.5V 32KB 28 6*16-bit -40~+105˚C LQFP32 2KB
ML51TC0AE
8051-based 1.8V low-power MCU
Nuvoton
1
:
US$ 1.59
100
:
US$ 1.33
500
:
US$ 1.02
1,000
:
US$ 0.85
2,000
:
US$ 0.77
5,000+
:
Quote by quantity
Sample price $0.159 for first 5 pieces
In Stock: 1k
Low Power ML51 Series 24MHz 1.8~5.5V 32KB 28 6*16-bit -40~+105˚C QFN33 2KB
ML51UC0AE
8051 MCU
Nuvoton
1
:
US$ 1.59
100
:
US$ 1.33
500
:
US$ 1.02
1,000
:
US$ 0.85
2,000
:
US$ 0.77
5,000+
:
Quote by quantity
Sample price $0.159 for first 5 pieces
In Stock: 66
Low Power ML51 Series 24MHz 2.8~5.5V 32KB 24 6*16-bit -40~+105˚C SOP28 2KB
ML51TD1AE
8051 MCU
Nuvoton
1
:
US$ 1.65
100
:
US$ 1.38
500
:
US$ 1.06
1,000
:
US$ 0.88
2,000
:
US$ 0.80
5,000+
:
Quote by quantity
Sample price $0.165 for first 5 pieces
In Stock: 52
Low Power ML51 Series 24MHz 1.8~3.6V 64KB 28 12*16-bit -40~+105˚C QFN33 4KB
ML51LD1AE
8051 MCU
Nuvoton
1
:
US$ 1.89
100
:
US$ 1.58
500
:
US$ 1.21
1,000
:
US$ 1.01
2,000
:
US$ 0.91
5,000+
:
Quote by quantity
Sample price $0.189 for first 5 pieces
In Stock: 390
Low Power ML51 Series 24MHz 1.8~3.6V 64KB 43 12*16-bit -40~+105˚C LQFP48 4KB
ML51SD1AE
8051 MCU
Nuvoton
1
:
US$ 2.01
100
:
US$ 1.68
500
:
US$ 1.29
1,000
:
US$ 1.07
2,000
:
US$ 0.97
5,000+
:
Quote by quantity
Sample price $0.201 for first 5 pieces
In Stock: 325
Low Power ML51 Series 24MHz 1.8~3.6V 64KB 56 6*16-bit -40~+105˚C LQFP64 4KB
ML54LD1AE
8051 MCU
Nuvoton
1
:
US$ 2.01
100
:
US$ 1.68
500
:
US$ 1.29
1,000
:
US$ 1.07
2,000
:
US$ 0.97
5,000+
:
Quote by quantity
In Stock: 385
Low Power LCD ML54 Series 24MHz 1.8~3.6V 64KB 42 6*16-bit -40~+105˚C LQFP48 4KB 4x32，6x30，8x28
ML54SD1AE
8051 MCU
Nuvoton
1
:
US$ 2.07
100
:
US$ 1.73
500
:
US$ 1.32
1,000
:
US$ 1.10
2,000
:
US$ 1.00
5,000+
:
Quote by quantity
In Stock: 155
Low Power LCD ML54 Series 24MHz 1.8~3.6V 64KB 55 12*16-bit -40~+105˚C LQFP64 4KB 4x32，6x30，8x28
ML54MD1AE
8051 MCU
Nuvoton
1
:
US$ 2.16
100
:
US$ 1.80
500
:
US$ 1.38
1,000
:
US$ 1.15
2,000
:
US$ 1.04
5,000+
:
Quote by quantity
In Stock: 274
Low Power LCD ML54 Series 24MHz 1.8~3.6V 64KB 38 12*16-bit -40~+105˚C LQFP44 4KB 4x32，6x30，8x28
ML56MD1AE
8051 MCU
Nuvoton
1
:
US$ 2.31
100
:
US$ 1.93
500
:
US$ 1.48
1,000
:
US$ 1.23
2,000
:
US$ 1.12
5,000+
:
Quote by quantity
Sample price $0.231 for first 5 pieces
In Stock: 160
Low Power Touch Key ML56 Series 24MHz 1.8~3.6V 64KB 38 12*16-bit -40~+105˚C LQFP44 4KB 4x32，6x30，8x28
ML56LD1AE
8051 MCU
Nuvoton
1
:
US$ 2.37
100
:
US$ 1.98
500
:
US$ 1.52
1,000
:
US$ 1.26
2,000
:
US$ 1.15
5,000+
:
Quote by quantity
Sample price $0.237 for first 5 pieces
In Stock: 243
Low Power Touch Key ML56 Series 24MHz 1.8~3.6V 64KB 42 12*16-bit -40~+105˚C LQFP48 4KB Y
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