We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information.

Findchips Blog
Microcontrollers and Processors / Microcontrollers / AT89C2051-12PU
Datasheets
AT89C2051-12PU by:

IC MCU 8BIT 2KB FLASH 20DIP

Part Details for AT89C2051-12PU by Microchip Technology Inc

Results Overview of AT89C2051-12PU by Microchip Technology Inc

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Industrial Automation Renewable Energy Robotics and Drones

AT89C2051-12PU Information

AT89C2051-12PU by Microchip Technology Inc is a Microcontroller.
Microcontrollers are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for AT89C2051-12PU

Part # Distributor Description Stock Price Buy
DISTI # 68T4860
Newark Microcontroller Mcu, 8 Bit, 8051, 12Mhz, Dip-20, Product Range:8051 Family At89C2051 Series Microcontrollers, Device Core:8051, Operating Frequency Max:12Mhz, Program Memory Size:2Kb, No. Of Pins:20Pins, Ic Case/Package:Dip, Msl:- Rohs Compliant: Yes |Microchip AT89C2051-12PU RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 331
  • 1 $2.0800
  • 10 $2.0000
  • 36 $1.9100
  • 54 $1.8200
  • 108 $1.7200
$1.7200 / $2.0800 Buy Now
DISTI # AT89C2051-12PU-ND
DigiKey IC MCU 8BIT 2KB FLASH 20DIP Min Qty: 1 Lead time: 6 Weeks Container: Tube 4755
In Stock
  • 1 $2.0800
  • 25 $1.9100
  • 100 $1.7200
$1.7200 / $2.0800 Buy Now
DISTI # 68T4860
Avnet Americas MCU 8-bit 89C 8051 CISC 2KB Flash 3.3V/5V 20-Pin PDIP W - Bulk (Alt: 68T4860) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 13 Weeks, 6 Days Container: Bulk 331 Partner Stock
  • 1 $2.1600
  • 10 $2.0800
  • 36 $1.9900
  • 54 $1.8900
  • 108 $1.7900
$1.7900 / $2.1600 Buy Now
DISTI # AT89C2051-12PU
Avnet Americas MCU 8-bit 89C 8051 CISC 2KB Flash 3.3V/5V 20-Pin PDIP W - Rail/Tube (Alt: AT89C2051-12PU) RoHS: Compliant Min Qty: 342 Package Multiple: 18 Lead time: 6 Weeks, 0 Days Container: Tube 0
  • 1 $2.0800
  • 25 $1.9100
  • 100 $1.7200
$1.7200 / $2.0800 Buy Now
DISTI # 556-A89C205112PU
Mouser Electronics 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V RoHS: Compliant 1512
  • 1 $2.0800
  • 18 $1.9100
  • 108 $1.7200
$1.7200 / $2.0800 Buy Now
DISTI # AT89C2051-12PU
Microchip Technology Inc 12MHZ, PDIP, IND TEMP, GREEN, 2.7 - 5.5V, PDIP, Projected EOL: 2039-12-18 COO: Thailand ECCN: EAR99 RoHS: Compliant Lead time: 6 Weeks, 0 Days Container: Tube 1088

Alternates Available
  • 1 $2.0800
  • 25 $1.9100
  • 100 $1.7200
  • 1,000 $1.5900
  • 5,000 $1.5100
$1.5100 / $2.0800 Buy Now
Onlinecomponents.com MCU - 8-bit 8051 CISC - 2KB Flash - 12MHZ - 3.3V/5V - 20-Pin PDIP W - Tube RoHS: Compliant 412 In Stock
1080 Factory Stock
  • 18 $1.9700
  • 108 $1.7000
  • 252 $1.6900
  • 504 $1.6800
  • 1,008 $1.6700
  • 2,502 $1.6600
  • 5,004 $1.6500
$1.6500 / $1.9700 Buy Now
DISTI # 66414430
Verical MCU 8-bit 8051 CISC 2KB Flash 3.3V/5V 20-Pin PDIP W Tube RoHS: Compliant Min Qty: 36 Package Multiple: 18 Date Code: 2223 Americas - 396
  • 36 $2.5610
  • 108 $2.3530
  • 252 $2.2620
  • 504 $2.2230
  • 1,008 $2.1190
$2.1190 / $2.5610 Buy Now
DISTI # 87330110
Verical MCU 8-bit 8051 CISC 2KB Flash 3.3V/5V 20-Pin PDIP W Tube RoHS: Compliant Min Qty: 29 Package Multiple: 1 Americas - 243
  • 29 $2.4920
$2.4920 Buy Now
DISTI # AT89C2051-12PU
TME IC: microcontroller 8051, Flash: 2kx8bit, Interface: UART, DIP20 Min Qty: 1 130
  • 1 $2.1500
  • 5 $2.0500
  • 25 $1.9000
  • 54 $1.8000
$1.8000 / $2.1500 Buy Now
DISTI # AT89C2051-12PU
IBS Electronics AT89C2051 SERIES 2 KB FLASH 128 B SRAM 12 MHZ 8-BIT MICROCONTROLLER - DIP-20 Min Qty: 18 Package Multiple: 1 412
  • 18 $2.5610
  • 108 $2.3530
  • 252 $2.2620
  • 504 $2.2230
  • 1,008 $2.1190
  • 2,502 $2.0930
  • 5,004 $2.0540
$2.0540 / $2.5610 Buy Now
NAC 12MHZ, PDIP, IND TEMP, GREEN, 2.7 - 5.5V - Package: 20 PDIP .300in TUBE RoHS: Compliant Min Qty: 180 Package Multiple: 18 Container: Tube 0
  • 1 $2.2600
  • 100 $2.0400
  • 500 $1.8800
  • 1,000 $1.8400
$1.8400 / $2.2600 Buy Now
DISTI # AT89C2051-12PU
Avnet Silica MCU 8bit 89C 8051 CISC 2KB Flash 33V5V 20Pin PDIP W (Alt: AT89C2051-12PU) RoHS: Compliant Min Qty: 18 Package Multiple: 18 Lead time: 8 Weeks, 0 Days Silica - 0
Buy Now
DISTI # AT89C2051-12PU
EBV Elektronik MCU 8bit 89C 8051 CISC 2KB Flash 33V5V 20Pin PDIP W (Alt: AT89C2051-12PU) RoHS: Compliant Min Qty: 18 Package Multiple: 18 Lead time: 7 Weeks, 0 Days EBV - 0
Buy Now
Master Electronics MCU - 8-bit 8051 CISC - 2KB Flash - 12MHZ - 3.3V/5V - 20-Pin PDIP W - Tube RoHS: Compliant 412 In Stock
1080 Factory Stock
  • 18 $1.9700
  • 108 $1.7000
  • 252 $1.6900
  • 504 $1.6800
  • 1,008 $1.6700
  • 2,502 $1.6600
  • 5,004 $1.6500
$1.6500 / $1.9700 Buy Now

Part Details for AT89C2051-12PU

AT89C2051-12PU CAD Models

  • Part Symbol

    Part Symbol

  • Footprint

    footprint

  • 3D Model

    3D Model

Available Download Formats

Sign in to download CAD models Register or Sign In

By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy

AT89C2051-12PU Part Data Attributes

Parametric Data
AT89C2051-12PU Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
AT89C2051-12PU Microchip Technology Inc IC MCU 8BIT 2KB FLASH 20DIP
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Package Description 0.300 INCH, GREEN, PLASTIC, MS-001AD, DIP-20
Reach Compliance Code compliant
HTS Code 8542.31.00.01
Factory Lead Time 6 Weeks
Samacsys Manufacturer Microchip
Has ADC NO
Address Bus Width
Bit Size 8
Boundary Scan NO
CPU Family 8051
Clock Frequency-Max 12 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width
Format FIXED POINT
Integrated Cache NO
JESD-30 Code R-PDIP-T20
JESD-609 Code e3
Length 25.908 mm
Low Power Mode YES
Number of External Interrupts 2
Number of I/O Lines 15
Number of Serial I/Os 1
Number of Terminals 20
Number of Timers 2
On Chip Data RAM Width 8
On Chip Program ROM Width 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
PWM Channels NO
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Qualification Status Not Qualified
RAM (bytes) 128
ROM (words) 2048
ROM Programmability FLASH
Seated Height-Max 5.334 mm
Speed 12 MHz
Supply Current-Max 15 mA
Supply Voltage-Max 6 V
Supply Voltage-Min 3 V
Supply Voltage-Nom 3 V
Surface Mount NO
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn)
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER

Alternate Parts for AT89C2051-12PU

This table gives cross-reference parts and alternative options found for AT89C2051-12PU. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of AT89C2051-12PU, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
AT89C2051-12PU Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PDIP20, 0.300 INCH, GREEN, PLASTIC, MS-001AD, DIP-20 AT89C2051-12PU vs AT89C2051-12PU
AT89C2051-12PI Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PDIP20, 0.300 INCH, PLASTIC, MS-001AD, DIP-20 AT89C2051-12PU vs AT89C2051-12PI
AT89C2051-12PK Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20 AT89C2051-12PU vs AT89C2051-12PK
AT89C2051-12SIT/R Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDSO20, 0.300 INCH, PLASTIC, SOIC-20 AT89C2051-12PU vs AT89C2051-12SIT/R
AT89C2051-12SLT/R Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDSO20, 0.300 INCH, PLASTIC, SOIC-20 AT89C2051-12PU vs AT89C2051-12SLT/R
AT89C2051-12SI Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PDSO20, 0.300 INCH, PLASTIC, MS-013, SOIC-20 AT89C2051-12PU vs AT89C2051-12SI
AT89C2051-12SUR Microchip Technology Inc Check for Price RISC Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDSO20 AT89C2051-12PU vs AT89C2051-12SUR
AT89C2051-12SJT/R Microchip Technology Inc Check for Price Microcontroller, 8-Bit, FLASH, 12MHz, PDSO20 AT89C2051-12PU vs AT89C2051-12SJT/R
AT89C2051-12PC Atmel Corporation Check for Price Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PDIP20, 0.300 INCH, PLASTIC, MS-001AD, DIP-20 AT89C2051-12PU vs AT89C2051-12PC
AT89C2051-12SA Microchip Technology Inc Check for Price Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDSO20 AT89C2051-12PU vs AT89C2051-12SA

AT89C2051-12PU Related Parts

AT89C2051-12PU Frequently Asked Questions (FAQ)

  • The maximum clock frequency of the AT89C2051-12PU is 12 MHz.

  • The AT89C2051-12PU has 2 KB of flash memory.

  • Yes, the AT89C2051-12PU has a low power consumption mode, making it suitable for battery-powered devices and other low-power applications.

  • Yes, the AT89C2051-12PU has a built-in UART (Universal Asynchronous Receiver-Transmitter) for serial communication.

  • Yes, the AT89C2051-12PU has built-in I2C (Inter-Integrated Circuit) interface, which allows it to communicate with other I2C devices.

Share by Email

Something went wrong!
Please enter a valid e-mail address
Email sent!
Recipient Email:
Add a recipient
Hello!

We are passing along some cool findings on Findchips sent to you from .

The data is for AT89C2051-12PU by Microchip Technology Inc.
They’ve also added a data comparison to this page with by .

Click on the link below to check it out on Findchips.com.

Update Alert Settings for: AT89C2051-12PU by Microchip Technology Inc

Select Manufacturer
Which Manufacturer of AT89C2051-12PU would you like to use for your alert(s)?
Inventory Alert
  • Please alert me when AT89C2051-12PU inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for AT89C2051-12PU alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
Pricing Alert
  • Please alert me when the single part price for AT89C2051-12PU to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for AT89C2051-12PU alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for AT89C2051-12PU.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare AT89C2051-12PU by Microchip Technology Inc

Select a part to compare:
Part Number Manufacturer Description
No result found.
Something went wrong!
Or search for a different part: