32b ARM MCU 80MHz 256KB FLASH LQFP Product overview: LM3S1B21-IQC80-C5 from Texas Instruments is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 80MHz, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 80MHz, 256KB, Embedded Microcontroller MCU, Microcontrollers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-LM3S1B21-IQC80-C
ARM® Cortex®-M3 Stellaris® ARM® Cortex®-M3S 1000 Microcontroller IC 32-Bit Single-Core 80MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 80MHz, CMOS, PQFP100
Manufacturer: Texas Instruments
Win Source Part Number: 923174-LM3S1B21-IQC8
Series: Stellaris® ARM® Cortex®-M3S 1000
Operating Temperature Range: -40°C ~ 85°C (TA)
Features: ARM® Cortex®-M3 series Microcontroller IC 32-Bit 80MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
Core Processor: ARM® Cortex®-M3
Speed: 80MHz
Package: Tray
Package: 100-LQFP
Mounting: Surface Mount
Core Size: 32-Bit
Connectivity: EBI/EMI, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART
Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O: 67
Program Memory Size: 256KB (256K x 8)
Program Memory Type: FLASH
Data Converters: A/D 8x10b
Oscillator Type: Internal
Supply Voltage: 1.08V ~ 3.6V
Part Status: Obsolete
Family Name: LM3S1B21
Categories: Integrated Circuits (ICs)
Case / Package: 100-LQFP (14x14)
ECCN: 3A991A2
Popularity: High
Fake Threat In the Open Market: 68 pct.
Supply and Demand Status: Balance
Quantity per package: 90
MSL Level: 3 (168 Hours)
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
Other Part Number: -LM3S1B21-IQC80, 296-32630, LM3S1B21-IQC80-C5-ND
ARM® Cortex®-M3 Stellaris® ARM® Cortex®-M3S 1000 Microcontroller IC 32-Bit Single-Core 80MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
IC MCU 32BIT 256KB FLASH 100LQFP
| ERSAELECTRONICS PTE. LTD. | DigiKey | Rochester Electronics | Win Source Electronics | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-LM3S1B21-IQC80-C5 | 296-32630-ND | LM3S1B21-IQC80-C5 | 923174-LM3S1B21-IQC80-C5 | LM3S1B21-IQC80-C5 | LM3S1B21-IQC80-C5 |
| Product Name | 80MHz 256KB Embedded Microcontroller MCU | Microcontrollers | Embedded - Embedded - Microcontrollers - LM3S1B21-IQC80-C5 | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | |
| RAM | 96 KB | 96 KB | 256 KB | 96 KB | 96 KB | |
| Supply Voltage | 3.3 volts | 1.08 to 3.6 volts | 1.08 to 3.6 volts | 3.6 volts | ||
| Serial Interface | I2C, SPI, IrDA, UART, USART, EBI/EMI, SCI | SPI; UART; USART | ||||
| Package Type | Other; LQFP | LFQP; Other; 100-LQFP | QFP; Other; QFP100 | QFP; Other; 100-LQFP (14x14) | QFP; Other; 100-LQFP | Other; 100-LQFP |
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) |
