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W79E821ASG

W79E821ASG
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For Reference Only

Part Number W79E821ASG
OEMstron Part # W79E821ASG
Manufacturer Nuvoton Technology
Category SemiconductorsEmbedded Processors & ControllersMicrocontrollers
Description IC MCU 8BIT 1KB FLASH 20SOIC
Lifecycle Obsolete
RoHS No RoHS Information
EDA/CAD Models W79E821ASG PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery May 17 - May 22 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*
Payment Wire Transfer, UnionPay, PayPal, Credit Card, Visa, MasterCard, AmericanExpress, Discover, WesternUnion, MoneyGram
Shipping DHL, UPS, FedEx, TNT, EMS, & More Express Delivery

W79E821ASG Specifications

Part Number W79E821ASG
Brand Nuvoton Technology
Lifecycle Obsolete
RoHS No RoHS Information
Product Line Semiconductors
Category Embedded Processors & Controllers
Subcategory Microcontrollers
Manufacturer Nuvoton Technology Corporation of America
Series W79
Core Processor 8051
Core Size 8-Bit
Speed 20MHz
Connectivity I²C, UART/USART
Peripherals Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT
Number of I/O 18
Program Memory Size 1KB (1K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Data Converters A/D 4x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package -

W79E821ASG Documents

W79E821ASG, W79E821ASG Datasheet (Total Pages: 114, Size: 1,325.79 KB)
W79E825ASG Datasheet CoverW79E825ASG Datasheet Page 2W79E825ASG Datasheet Page 3W79E825ASG Datasheet Page 4W79E825ASG Datasheet Page 5W79E825ASG Datasheet Page 6W79E825ASG Datasheet Page 7W79E825ASG Datasheet Page 8W79E825ASG Datasheet Page 9W79E825ASG Datasheet Page 10W79E825ASG Datasheet Page 11W79E825ASG Datasheet Page 12W79E825ASG Datasheet Page 13W79E825ASG Datasheet Page 14
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Part Number Description Stock

W79E821ASG

Nuvoton Technology Corp

IC MCU 8-BIT 1K FLASH 20-SOIC

Contact Us
Part Number Description Stock

W79E821ASG

D# W79E821ASG-ND

Nuvoton Technology Corp

IC MCU 8BIT 1KB FLASH 20SOIC

Limited Supply - Call
Part Number Description Stock

W79E821ASG

D# NS-W79E821ASG

Nuvoton Technology Corp

OEM/CM ONLY

6239

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