Texas Instruments Stellaris® ARM® Cortex®-M3S 6000 series LM3S6420-EQC25-A2, 32-Bit Single-Core MCU, 25 MHz, 96 KB Flash, 32K x 8 RAM, 46 I/O, Ethernet, IrDA, SPI, SSI, UART/USART, 2.25V~2.75V, -40°C~105°C, 100-LQFP.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 6000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.25V ~ 2.75V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 25MHz |
| Package | Tray |
| RAM size | 32K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | Ethernet, IrDA, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 46 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Program memory size | 96KB (96K x 8) |
The LM3S6420-EQC25-A2: The 100-LQFP package provides 46 general-purpose I/O. This part was designed for industrial control, building automation, and networked sensor nodes where a moderate-speed Cortex-M3 with wired connectivity is needed.
The LM3S6420-EQC25-A2 carries an official lifecycle status of Obsolete.
Yes, the LM3S6420-EQC25-A2 is officially obsolete. It is no longer manufactured by Texas Instruments.
A pin-compatible alternative within the Stellaris Cortex-M3 family may exist, but the exact substitute depends on the required Flash size, RAM, and peripheral set. Contact us with your BOM details for a cross-reference search.