The Texas Instruments LM3S5951-IBZ80-C1 is a 32-bit ARM Cortex-M3 MCU from the Stellaris 5000 series, clocked at 80 MHz with 256 KB of Flash program memory and 64 KB SRAM. Package is a 108-ball BGA, 10x10 mm footprint, rated for industrial temperature range of -40 to 85°C.
TI LM3S5951-IBZ80-C1 Stellaris ARM Cortex-M3 MCU, 80 MHz, 256 KB Flash
MPNLM3S5951-IBZ80-C1
Obsolete
Texas Instruments Stellaris ARM Cortex-M3S 5000 series 32-bit MCU, LM3S5951-IBZ80-C1, 80 MHz, 256 KB Flash, 64 KB SRAM, 108-LFBGA, -40 to 85°C.
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.08V ~ 1.32V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tray |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG |
| Number of i (O) | 67 |
| Core processor | ARM® Cortex®-M3 |
| Case | 108-LFBGA |
| Data converters | A/D 16x10b |
| Program memory size | 256KB (256K x 8) |
Product details
Frequently asked questions
What is the replacement for LM3S5951-IBZ80-C1?
No direct pin-compatible replacement is listed in the available records. For an existing design, the best path is to source remaining stock through independent distribution. For new designs, consider a current-production TI Stellaris or Tiva C Series part with similar memory and peripheral maps, verifying pinout and software compatibility.
What is LM3S5951-IBZ80-C1's speed and memory?
It runs at 80 MHz with 256 KB Flash and 64 KB SRAM, which is a mid-range Cortex-M3 configuration suitable for real-time control and communication applications.