AT89C2051-12SU Microchip Integrated Circuit (Small Outline Packages) In Stock

AT89C2051-12SU, 8 bit 8051 Microcontroller 12MHz 2 kB Flash, 128 B RAM, 20-Pin SOIC

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
AT89C2051-12SUSmall Outline Packages
Quick Facts
Manufacturer
Microchip
Package
Small Outline Packages
Pin Count
20
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $1.0900(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
Manufacturer Package CodeSOIC-20
Factory Lead Time9Weeks
YTEOL14
Has ADCNO
Bit Size8
Boundary ScanNO
CPU Family8051
Clock Frequency-Max12MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
JESD-30 CodeR-PDSO-G20
JESD-609 Codee3
Low Power ModeYES
Number of External Interrupts2
Number of I/O Lines15
Number of Serial I/Os1
Number of Timers2
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsNO
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)250
Qualification StatusNot Qualified
RAM (bytes)128
ROM (words)2048
ROM ProgrammabilityFLASH
Speed12MHz
Supply Current-Max15mA
Supply Voltage-Max6V
Supply Voltage-Min3V
Supply Voltage-Nom3V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)40
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.31.00.01
Country of OriginMainland China

Datasheet

AT89C2051-12SU Datasheet Download

Official datasheet from Microchip

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of AT89C2051-12SU?

AT89C2051-12SU is priced from $1.0900 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is AT89C2051-12SU in stock?

AT89C2051-12SU is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy AT89C2051-12SU?

You can buy AT89C2051-12SU from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for AT89C2051-12SU from Microchip.

What is the datasheet for AT89C2051-12SU?

The official AT89C2051-12SU datasheet from Microchip contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does AT89C2051-12SU come in?

AT89C2051-12SU is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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Factory-direct from China distributors, low MOQ
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About Microchip

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AvailabilityIn Stock
Reference Price (USD)
From $1.0900
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$1.5100$1.51
25+$1.3900$34.75
100+$1.2500$125.00
1000+$1.1600$1160.00
5000+$1.0900$5450.00
pcs
Unit price: $1.5100 · Total: $1.51

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany