LM3S5791-IQC80-C0T Texas Instruments Integrated Circuit (Other) In Stock

LM3S5791-IQC80-C0T is a Texas Instruments Stellaris ARM Cortex-M3 microcontroller featuring 256KB flash, 64KB SRAM, and rich peripherals. From $7.17, in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026
Package / Visual Reference
LM3S5791-IQC80-C0TOther
Quick Facts
Manufacturer
Texas Instruments
Package
Other
Pin Count
100
Lifecycle
ACTIVE
Datasheet
N/A
Category
Integrated Circuit
Price
From $7.1675(MOQ 1000)
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • ARM Cortex-M3 core running up to 80MHz for high-performance embedded control
  • 256KB on-chip flash and 64KB SRAM for demanding applications
  • Integrated Ethernet MAC/PHY for networked embedded systems
  • Multiple communication interfaces: UART, SPI, I2C, CAN for versatile connectivity
  • 80-pin QFP package with wide operating temperature range for industrial use

Applications

The LM3S5791-IQC80-C0T is well-suited for industrial automation and control systems requiring real-time processing and network connectivity. Its integrated Ethernet MAC/PHY makes it ideal for building automation, smart metering, and industrial IoT gateway applications. The device also targets motor control, robotics, and medical instrumentation where reliable ARM Cortex-M3 performance and rich peripheral integration are essential.

Specifications

YTEOLEYTEOL
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Country of OriginCountry of Origin

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for LM3S5791-IQC80-C0T:

LM3S5791-IQC80-C3TTexas Instruments

Microcontroller, 32-Bit, FLASH, 80MHz, CMOS, PQFP100

View Part →
LM3S5791-IQC80-C3Texas Instruments

Microcontroller, 32-Bit, FLASH, 80MHz, CMOS, PQFP100

View Part →
LM3S5791-IQC80-C1Texas Instruments

Microcontroller, 32-Bit, FLASH, 80MHz, CMOS, PQFP100

View Part →

Frequently Asked Questions

What is the core architecture and maximum operating frequency of the LM3S5791-IQC80-C0T?

The LM3S5791-IQC80-C0T is based on the ARM Cortex-M3 architecture and operates at up to 80MHz, delivering efficient 32-bit processing with a Harvard architecture pipeline, making it suitable for real-time embedded control applications.

What memory resources are available on the LM3S5791-IQC80-C0T?

This microcontroller provides 256KB of on-chip flash memory for program storage and 64KB of SRAM for runtime data, offering ample resources for complex firmware including RTOS-based designs and network protocol stacks.

What communication interfaces does the LM3S5791-IQC80-C0T support?

The LM3S5791-IQC80-C0T integrates multiple communication peripherals including UART, SPI, I2C, and CAN interfaces, along with an integrated Ethernet MAC/PHY, enabling versatile wired connectivity for industrial and IoT applications.

What package type is used for the LM3S5791-IQC80-C0T and what are typical application areas?

The LM3S5791-IQC80-C0T is available in an 80-pin QFP package. Typical applications include industrial automation, building control systems, smart energy metering, motor drives, and networked embedded systems requiring Ethernet connectivity.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $7.1675
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1000+$7.1675$7167.51
pcs
Unit price: $7.1675 · Total: $7167.51

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

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

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Rajesh Patel
Procurement Manager, VoltEdge Energy, India