The 128-TQFP package (14x14 mm body) with a 0.4 mm pitch requires careful solder-paste stencil design and a controlled reflow profile — the exposed thermal pad must be stitched to the ground plane with at least nine vias to keep junction temperature under the 105°C ceiling at full 120 MHz throughput.
TM4C129CNCPDTI3R Tiva C MCU, 120 MHz Cortex-M4F, 1 MB Flash
MPNTM4C129CNCPDTI3R
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Texas Instruments Tiva™ C Series TM4C129CNCPDTI3R, 32-bit ARM Cortex-M4F MCU, 120 MHz, 1 MB Flash, 256K x 8 RAM, 6K x 8 EEPROM, 90 I/O, Ethernet/CAN/USB OTG, -40°C~85°C, 128-TQFP.
$10.9885Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Tiva™ C |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.97V ~ 3.63V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 120MHz |
| Package | Tape & Reel (TR) |
| RAM size | 256K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 6K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, Motion Control PWM, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, Ethernet, I²C, IrDA, QEI, SPI, SSI, UART/USART, USB OTG |
| Number of i (O) | 90 |
| Core processor | ARM® Cortex®-M4F |
| Case | 128-TQFP |
| Data converters | A/D 20x12b |
| Program memory size | 1MB (1M x 8) |
Product details
Frequently asked questions
What is the closest pin-compatible alternative to TM4C129CNCPDTI3R in this family?
Within the Tiva™ C TM4C129 family, the TM4C1294NCPDTI3R is pin-compatible and shares the same 128-TQFP footprint, supply range, and peripheral set. The primary difference is the Flash density — the TM4C1294NCPDTI3R offers 1 MB Flash as well, while lower-density siblings (e.g., TM4C1290) trim the memory and some connectivity options. Verify the exact memory and peripheral requirements against the datasheet before substituting.