W79E821ASG

Part No :: W79E821ASG

Manufacturer: Nuvoton Technology Corporation America

VIGOR # :: 4807351

Description: IC MCU 8BIT 1KB FLASH 20SOIC

Catalog: Embedded - Microcontrollers

DataSheet: W79E821ASG PDF

Country of origin: -

Date code: -

W79E821ASG Specifications

Type	Description
Series:	W79
Package:	Tube
Part Status:	Obsolete
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:	-

Alternative Products

Part Number	Manufacturer & Description	Compare
W79E8213RASG Match 62%	Nuvoton Technology Corporation America IC MCU 8BIT 4KB FLASH 20SOIC	W79E821ASG vs W79E8213RASG
N79E825ASG Match 62%	Nuvoton Technology Corporation America IC MCU 8BIT 16KB FLASH 20SOIC	W79E821ASG vs N79E825ASG
W79E823ASG Match 62%	Nuvoton Technology Corporation America IC MCU 8BIT 4KB FLASH 20SOIC	W79E821ASG vs W79E823ASG
P87LPC764FD,512 Match 62%	NXP Semiconductors IC MCU 8BIT 4KB OTP 20SO	W79E821ASG vs P87LPC764FD,512
P87LPC769HD,512 Match 62%	NXP Semiconductors IC MCU 8BIT 4KB OTP 20SO	W79E821ASG vs P87LPC769HD,512
W79E825ASG Match 62%	Nuvoton Technology Corporation America IC MCU 8BIT 16KB FLASH 20SOIC	W79E821ASG vs W79E825ASG

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 5000

Shipped from

HK warehouse

Expected Shipping Date

Jul 23 - Jul 27 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price

Current price of W79E821ASG is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

Hot Products

MB90025FPMT-GS-333E1

IC MCU 120LQFP

MSP430F5247IZQE

IC MCU 16BIT 64KB FLASH 80BGA

EFM8LB10F16E-B-QSOP24

IC MCU 8BIT 16KB FLASH 24QSOP

W79E821ASG

W79E821ASG

4807351

Pricing(USD)