Texas Instruments Stellaris ARM Cortex-M3S 1000 series LM3S1G21-IQC80-A1T, 32-bit MCU, 80 MHz, 384KB Flash, 64K x 8 RAM, 67 I/O, 100-LQFP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.235V ~ 1.365V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tape & Reel (TR) |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | EBI/EMI, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 67 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Data converters | A/D 8x12b |
| Program memory size | 384KB (384K x 8) |
This part is marked obsolete by the manufacturer. No official replacement part number is listed in the lifecycle record.
The 100-LQFP (14x14 mm) package is a standard surface-mount footprint. The -40°C to 85°C operating range covers industrial and outdoor telecom environments.
Yes, the LM3S1G21-IQC80-A1T is obsolete per the manufacturer's lifecycle status.
This obsolete part is sourced through independent distribution channels. We quote and supply it against an RFQ — availability and current pricing are confirmed at quote time.
The LM3S1G21-IQC80-A1T is a 32-bit ARM Cortex-M3 MCU running at 80 MHz with 384 KB Flash, 64K x 8 SRAM, 67 I/O, an 8-channel 12-bit ADC, and serial interfaces including I²C, SPI, UART, and LIN. It is housed in a 100-LQFP package and rated for -40°C to 85°C operation.
Current pricing is not listed here. Submit an RFQ for this obsolete part and we will confirm availability and pricing at quote time.
Yes, this part belongs to the Stellaris ARM Cortex-M3S 1000 series and is pin- and software-compatible with other members of that family, though exact peripheral sets vary by density option.