EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
AT89C51-20JC Atmel
Same model may have multiple batches, images only for reference.

AT89C51-20JC

Part No AT89C51-20JC
Manufacturer Atmel
Catalog Embedded - Microcontrollers
Description 8-Bit Microcontroller with 4K Bytes Flash / MCU 8-bit 8051 CISC 4KB Flash 5V 44-Pin PLCC
Sample
Rohs State Need to verify
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits(ICs)
Family Embedded - Microcontrollers
Manufacturer Atmel
Win Source Part Number 221369-AT89C51-20JC
Popularity Medium
Supply and Demand Status Limited
Family Name AT89C51
Introduction Date October 08, 1996
ECCN EAR99
Estimated EOL Date Obsolete / End of life
Ultra Librarian 3D Model Ultra Librarian AT89C51-20JC CAD Model

Description

AT89C51-20JC Microcontroller

The AT89C51-20JC is a high-performance microcontroller with a 20MHz clock speed, part of the popular 8051 architecture family. It features 32 I/O lines, making it ideal for a range of applications requiring robust control.

  • Industrial automation systems
  • Consumer electronics
  • Data acquisition systems

Features and Benefits

  • 32 I/O lines for flexible interfacing
  • 20MHz clock speed for fast processing
  • Compatible with a variety of peripherals

Additional details: The microcontroller is designed for cost-sensitive projects and provides reliable performance across different temperature ranges.

You May Also Be Interested in

AT91SAM7S512-AU Real Image
AT91SAM7S512-AU
Microchip Technology
IC MCU 16/32B 512KB FLASH 64LQFP
Lowest to $10.8882
ATSAMD20J16A-AU Real Image
ATSAMD20J16A-AU
Microchip Technology
IC MCU 32BIT 64KB FLASH 64TQFP
Lowest to $7.0387
AT89C51ED2-SLSIM Real Image
AT89C51ED2-SLSIM
Microchip Technology
IC MCU 8BIT 64KB FLASH 44PLCC
Need more? Email Us
C8051F120 Silicon Labs
C8051F120
Silicon Labs
IC MCU 8BIT 128KB FLASH 100TQFP
Need more? Email Us
ATXMEGA256D3-MH Real Image
ATXMEGA256D3-MH
Microchip Technology
IC MCU 8/16BIT 256KB FLASH 64QFN
Lowest to $11.7177
AT91M43300-25CI Atmel
AT91M43300-25CI
Microchip Technology
IC MCU 16/32BIT ROMLESS 144BGA
Lowest to $0.3130
LPC1830FET256 NXP
LPC1830FET256
NXP / Nexperia
IC MCU 32BIT ROMLESS 256LBGA
Lowest to $21.9925
C8051F331 Real Image
C8051F331
Silicon Labs
IC MCU 8BIT 8KB FLASH 20MLP
Lowest to $32.9441
AT91SAM7SE512-CU Atmel
AT91SAM7SE512-CU
Microchip Technology
IC MCU 16/32B 512KB FLASH 144BGA
Lowest to $28.2220

Top Sellers

NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $6.6527
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.8016
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $9.9790
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess