ATTINY43U-SU Microchip Integrated Circuit (Small Outline Packages) In Stock

SOIC-20

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
ATTINY43U-SUSmall Outline Packages
Quick Facts
Manufacturer
Microchip
Package
Small Outline Packages
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $1.6000(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the specifications of ATTINY43U-SU?

Pbfree CodeYes
Factory Lead Time28Weeks
YTEOL0
Has ADCYES
Bit Size8
Boundary ScanNO
CPU FamilyAVR RISC
Clock Frequency-Max8MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
JESD-30 CodeR-PDSO-G20
JESD-609 Codee3
Low Power ModeYES
Number of External Interrupts1
Number of I/O Lines16
Number of Serial I/Os5
Number of Timers2
On Chip Data RAM Width8
On Chip Program ROM Width16
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Qualification StatusNot Qualified
RAM (bytes)256
ROM (words)2048
ROM ProgrammabilityFLASH
Speed8MHz
Supply Current-Max7mA
Supply Voltage-Max5.5V
Supply Voltage-Min3V
Supply Voltage-Nom3V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMATTE TIN
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8542.31.00.01
Country of OriginThailand

Where can I find the ATTINY43U-SU datasheet?

ATTINY43U-SU Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for ATTINY43U-SU?

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

Frequently Asked Questions

What is the price of ATTINY43U-SU?

ATTINY43U-SU is priced from $1.6000 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is ATTINY43U-SU in stock?

ATTINY43U-SU is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy ATTINY43U-SU?

You can buy ATTINY43U-SU from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for ATTINY43U-SU from Microchip.

What is the datasheet for ATTINY43U-SU?

The official ATTINY43U-SU 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 ATTINY43U-SU come in?

ATTINY43U-SU is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $1.6000
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$2.4700$2.47
9+$2.4480$22.03
10+$2.1524$21.52
50+$1.7489$87.44
150+$1.6744$251.16
250+$1.6000$400.00
pcs
Unit price: $2.4700 · Total: $2.47

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