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

AT89C51-20PI

Part No AT89C51-20PI
Manufacturer Atmel
Catalog Embedded - Microcontrollers
Description 8-Bit Microcontroller with 4K Bytes Flash / MCU 8-bit 8051 CISC 4KB Flash 5V 40-Pin PDIP
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 221371-AT89C51-20PI
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 AT89C51-20PI CAD Model

Description

AT89C51-20PI Microcontroller

The AT89C51-20PI provides versatility and performance, thanks to its 8051 architecture, which is ideal for developing various applications that demand precise control and management.

  • Robotics
  • Home automation
  • Security systems

Features and Benefits

  • High-performance 8051 core
  • Wide operating voltage range
  • On-chip timers for event management

Additional details: Its robust architecture ensures that it delivers efficient processing even in resource-constrained environments.

You May Also Be Interested in

ATXMEGA128A3-AU Real Image
ATXMEGA128A3-AU
Microchip Technology
IC MCU 8/16BIT 128KB FLSH 64TQFP
Lowest to $19.1292
AT89C5130A-S3SUM Real Image
AT89C5130A-S3SUM
Microchip Technology
IC MCU 8BIT 16KB FLASH 52PLCC
Lowest to $12.0108
AT91SAM9263B-CU Real Image
AT91SAM9263B-CU
Microchip Technology
32-BIT, FLASH, RISC ARM9 CPU
Lowest to $28.6764
AT32UC3L0128-D3HR Real Image
AT32UC3L0128-D3HR
Microchip Technology
IC MCU 32BIT 128KB FLASH 48TLLGA
Need more? Email Us
HD6473308RCP10V Renesas Electronics America
HD6473308RCP10V
Renesas Electronics America
IC MCU 8BIT 16KB OTP 84PLCC
Lowest to $62.7412
AT91SAM7XC512-CU Atmel
AT91SAM7XC512-CU
Microchip Technology
IC MCU 16/32BIT 512KB 100TFBGA
Need more? Email Us
AT89C51RB2-3CSIM Real Image
AT89C51RB2-3CSIM
Microchip Technology
IC MCU 8BIT 16KB FLASH 40PDIL
Need more? Email Us
AT91SAM7S256-MU Real Image
AT91SAM7S256-MU
Microchip Technology
IC MCU 16/32BIT 256KB FLSH 64QFN
Lowest to $16.5541
LPC1830FET256 NXP
LPC1830FET256
NXP / Nexperia
IC MCU 32BIT ROMLESS 256LBGA
Lowest to $21.9925

Top Sellers

FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $6.6527
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.0951
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.2376

Pricing & Ordering

Quantity Unit Price Ext. Price
10+ $5.1618 $51.6180
24+ $4.2353 $101.6472
37+ $4.1030 $151.8110
51+ $3.9706 $202.5006
66+ $3.8383 $253.3278
88+ $3.4412 $302.8256
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 2,167 pieces
MOQ: 10 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

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