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Cortex®-M23

The NuMicro® M23 Family, developed by Nuvoton, is a range of secure microcontrollers focused on IoT security. Built on the Arm® Cortex®-M23 core and incorporating Arm® TrustZone® for Arm®v8-M architecture, the M2351 series is the first in the Family designed for robust IoT security applications. ...

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Product Category
M23 Low-Power
M23 LCD Display Driver
M23 Industrial Control
M23 IoT Security (TrustZone)
Product Series
NUC1262 Series
NUC1263 Series
M253 Series
M261/M262/M263 Series
M254/M256/M258 Low Power LCD Series
M2351 Series
M251/M252 Series
M2354 Series
Frequency
48MHz
64MHz
72MHz
Operating Voltage
1.7~3.6V
1.75~5.5V
1.8~3.6V
1.8~5.5V
2.5~5.5V
Memory Size
256KB
32KB
64KB
128KB
512KB
1024KB
Number of I/O
36
11
15
19
22
23
25
26
37
40
41
45
49
50
51
53
54
55
81
82
85
86
106
107
PWM
4
6
6*16-bit
9*16-bit
10*12-bit
11*16-bit
12*12-bit
12*16-bit
24
24*16-bit
Operating Temperature
-40~+105˚C
-40~+85˚C
Package
QFN32
LQFP44
LQFP48
LQFP64
LQFP64(7x7mm)
LQFP128
LQFP128(14x14mm)
QFN33
QFN33(5x5mm)
QFN48
TSSOP20
TSSOP28
SRAM
8KB
96KB
32KB
16KB
20KB
12KB
256KB
Touch Key
23
24
14
6
Crypto
Y
USB Device
Y
LCD
4x48, 6x46, 8x44
8x16,6x18,4x20
8 x 16, 6 x 18, 4 x 20
8 x 28, 6 x 30, 4 x 32
CAN
Y
1
Totals: 68

ComparePart NumberDescription
Unit Price
Availability Datasheet Product SeriesFrequencyOperating VoltageMemory SizeNumber of I/OPWMOperating TemperaturePackageSRAMTouch KeyCryptoUSB DeviceAudio CodecLCDCANEthernet MAC
M251FC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.00000
100:USD 0.77000
500:USD 0.64000
1,000:USD 0.58000
2,000:USD 0.56000
5,000+:Quote by quantity
In Stock: 114
M251/M252 Series 48MHz 1.8~5.5V 32KB 15 9*16-bit -40~+105˚C TSSOP20 8KB
M252FC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.00000
100:USD 0.77000
500:USD 0.64000
1,000:USD 0.58000
2,000:USD 0.56000
5,000+:Quote by quantity
In Stock: 204
M251/M252 Series 48MHz 1.8~5.5V 32KB 11 9*16-bit -40~+105˚C TSSOP20 8KB Y
M251EC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.10000
100:USD 0.84000
500:USD 0.70000
1,000:USD 0.64000
2,000:USD 0.62000
5,000+:Quote by quantity
In Stock: 113
M251/M252 Series 48MHz 1.8~5.5V 32KB 23 12*16-bit -40~+105˚C TSSOP28 8KB
M252EC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.10000
100:USD 0.84000
500:USD 0.70000
1,000:USD 0.64000
2,000:USD 0.62000
5,000+:Quote by quantity
In Stock: 95
M251/M252 Series 48MHz 1.8~5.5V 32KB 19 11*16-bit -40~+105˚C TSSOP28 8KB Y
M251ZC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.13000
100:USD 0.86000
500:USD 0.72000
1,000:USD 0.65000
2,000:USD 0.63000
5,000+:Quote by quantity
Sample price USD 0.11300 for first 5 pieces
In Stock: 465
M251/M252 Series 48MHz 1.8~5.5V 32KB 26 10*12-bit -40~+105˚C QFN33 8KB
M251ZD2AE
Cortex M23 MCU 64 KB Flash
Nuvoton
1:USD 1.38000
100:USD 1.06000
500:USD 0.88000
1,000:USD 0.80000
2,000:USD 0.77000
5,000+:Quote by quantity
In Stock: 393
M251/M252 Series 48MHz 1.8~5.5V 64KB 26 24*16-bit -40~+105˚C QFN33 12KB
M251LC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.45000
100:USD 1.11000
500:USD 0.93000
1,000:USD 0.84000
2,000:USD 0.81000
5,000+:Quote by quantity
In Stock: 68
M251/M252 Series 48MHz 1.8~5.5V 32KB 41 24*16-bit -40~+105˚C LQFP48 8KB
M251LD2AE
Cortex M23 MCU 64 KB Flash
Nuvoton
1:USD 1.50000
100:USD 1.15000
500:USD 0.96000
1,000:USD 0.87000
2,000:USD 0.84000
5,000+:Quote by quantity
In Stock: 588
M251/M252 Series 48MHz 1.8~5.5V 64KB 41 12*12-bit -40~+105˚C LQFP48 12KB
M251SC2AE
Cortex M23 MCU 32 KB Flash
Nuvoton
1:USD 1.50000
100:USD 1.15000
500:USD 0.96000
1,000:USD 0.87000
2,000:USD 0.84000
5,000+:Quote by quantity
Sample price USD 0.15000 for first 5 pieces
In Stock: 244
M251/M252 Series 48MHz 1.8~5.5V 32KB 54 24*16-bit -40~+105˚C LQFP64 8KB
M251SD2AE
Cortex M23 MCU 64 KB Flash
Nuvoton
1:USD 1.55000
100:USD 1.19000
500:USD 0.99000
1,000:USD 0.90000
2,000:USD 0.87000
5,000+:Quote by quantity
In Stock: 241
M251/M252 Series 48MHz 1.8~5.5V 64KB 54 24*16-bit -40~+105˚C LQFP64 12KB
M251LE3AE
Cortex M23 MCU 128 KB Flash
Nuvoton
1:USD 1.63000
100:USD 1.25000
500:USD 1.04000
1,000:USD 0.94000
2,000:USD 0.91000
5,000+:Quote by quantity
In Stock: 215
M251/M252 Series 48MHz 1.8~5.5V 128KB 41 24*16-bit -40~+105˚C LQFP48 16KB
M251SE3AE
Cortex M23 MCU 128 KB Flash
Nuvoton
1:USD 1.75000
100:USD 1.34000
500:USD 1.12000
1,000:USD 1.02000
2,000:USD 0.98000
5,000+:Quote by quantity
In Stock: 109
M251/M252 Series 48MHz 1.8~5.5V 128KB 53 24*16-bit -40~+105˚C LQFP64 16KB
M251KE3AE
Cortex M23 MCU 128 KB Flash
Nuvoton
1:USD 2.00000
100:USD 1.54000
500:USD 1.28000
1,000:USD 1.16000
2,000:USD 1.12000
5,000+:Quote by quantity
Sample price USD 0.20000 for first 5 pieces
In Stock: 165
M251/M252 Series 48MHz 1.8~5.5V 128KB 85 24*16-bit -40~+105˚C LQFP128 16KB
M252KE3AE
Cortex M23 MCU 128 KB Flash
Nuvoton
1:USD 2.00000
100:USD 1.54000
500:USD 1.28000
1,000:USD 1.16000
2,000:USD 1.12000
5,000+:Quote by quantity
In Stock: 175
M251/M252 Series 48MHz 1.8~5.5V 128KB 81 24*16-bit -40~+105˚C LQFP128 16KB Y
M251LG6AE
Cortex M23 MCU 256 KB Flash
Nuvoton
1:USD 2.13000
100:USD 1.63000
500:USD 1.36000
1,000:USD 1.23000
2,000:USD 1.19000
5,000+:Quote by quantity
Out of stock
M251/M252 Series 48MHz 1.8~5.5V 256KB 41 24*16-bit -40~+105˚C LQFP48 32KB
M251SG6AE
Cortex M23 MCU 256 KB Flash
Nuvoton
1:USD 2.25000
100:USD 1.73000
500:USD 1.44000
1,000:USD 1.31000
2,000:USD 1.26000
5,000+:Quote by quantity
In Stock: 145
M251/M252 Series 48MHz 1.8~5.5V 256KB 53 24*16-bit -40~+105˚C LQFP64 32KB
M251KG6AE
Cortex M23 MCU 256 KB Flash
Nuvoton
1:USD 2.50000
100:USD 1.92000
500:USD 1.60000
1,000:USD 1.45000
2,000:USD 1.40000
5,000+:Quote by quantity
In Stock: 85
M251/M252 Series 48MHz 1.8~5.5V 256KB 85 12*16-bit -40~+105˚C LQFP128 32KB
M252KG6AE
Cortex M23 MCU 256 KB Flash
Nuvoton
1:USD 2.50000
100:USD 1.92000
500:USD 1.60000
1,000:USD 1.45000
2,000:USD 1.40000
5,000+:Quote by quantity
In Stock: 89
M251/M252 Series 48MHz 1.8~5.5V 256KB 81 12*16-bit -40~+105˚C LQFP128 32KB Y
M2351ZIAAE
Cortex M23 MCU 512 KB Flash
Nuvoton
1:USD 4.03000
100:USD 3.09000
500:USD 2.58000
1,000:USD 2.33000
2,000:USD 2.25000
5,000+:Quote by quantity
In Stock: 848
M2351 Series 64MHz 1.7~3.6V 512KB 25 24*16-bit -40~+105˚C QFN33(5x5mm) 96KB Y Y 1
M2351SIAAE
Cortex M23 MCU 512 KB Flash
Nuvoton
1:USD 4.08000
100:USD 3.13000
500:USD 2.61000
1,000:USD 2.36000
2,000:USD 2.28000
5,000+:Quote by quantity
In Stock: 250
M2351 Series 64MHz 1.7~3.6V 512KB 51 24*16-bit -40~+105˚C LQFP64(7x7mm) 96KB Y Y 1
M2351KIAAE
Cortex M23 MCU 512 KB Flash
Nuvoton
1:USD 4.18000
100:USD 3.21000
500:USD 2.67000
1,000:USD 2.42000
2,000:USD 2.34000
5,000+:Quote by quantity
In Stock: 100
M2351 Series 64MHz 1.7~3.6V 512KB 107 4 -40~+105˚C LQFP128(14x14mm) 96KB Y Y 1
M2354LJFAE
Cortex M23 MCU 1024 KB Flash
Nuvoton
1:USD 4.98000
100:USD 3.82000
500:USD 3.18000
1,000:USD 2.89000
2,000:USD 2.79000
5,000+:Quote by quantity
Sample price USD 0.49800 for first 5 pieces
In Stock: 248
M2354 Series 48MHz 1.7~3.6V 1024KB 40 24*16-bit -40~+105˚C LQFP48 256KB Y Y 1
M2354SJFAE
Cortex M23 MCU 1024 KB Flash
Nuvoton
1:USD 5.03000
100:USD 3.86000
500:USD 3.22000
1,000:USD 2.91000
2,000:USD 2.81000
5,000+:Quote by quantity
Sample price USD 0.50300 for first 5 pieces
In Stock: 538
M2354 Series 48MHz 1.7~3.6V 1024KB 50 24*16-bit -40~+105˚C LQFP64 256KB Y Y 1
M2354KJFAE
Cortex M23 MCU 1024 KB Flash
Nuvoton
1:USD 5.10000
100:USD 3.92000
500:USD 3.26000
1,000:USD 2.96000
2,000:USD 2.86000
5,000+:Quote by quantity
Sample price USD 0.51000 for first 5 pieces
In Stock: 267
M2354 Series 48MHz 1.7~3.6V 1024KB 106 24*16-bit -40~+105˚C LQFP128 256KB Y Y 1
M2351SFSIAAP
Cortex M23 MCU 512 KB Flash
Nuvoton
1:USD 6.33000
100:USD 4.86000
500:USD 4.05000
1,000:USD 3.67000
2,000:USD 3.54000
5,000+:Quote by quantity
In Stock: 257
M2351 Series 64MHz 1.7~3.6V 512KB 45 24 -40~+105˚C LQFP64 96KB Y Y 1
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