The 48 MHz core speed is typical for the Kinetis KL3 value line and delivers enough throughput for a single control loop with sensor read, LCD update, and UART communication in the same cycle.
NXP MKL33Z128VLH4 Kinetis KL3 MCU, ARM Cortex-M0+ 48MHz, 128KB Flash
MPNMKL33Z128VLH4
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NXP Kinetis KL3 series 32-bit ARM Cortex-M0+ MCU, MKL33Z128VLH4, 48MHz core, 128KB Flash, 16KB RAM, 54 I/O, 20x16-bit ADC, 1x12-bit DAC, LCD controller, -40 to 105°C, 64-LQFP (10x10 mm).
$4.8008Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Kinetis KL3 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C ~ 105°C (TA) |
| Speed | 48MHz |
| Package | Tray |
| RAM size | 16K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | DMA, I²S, LCD, LVD, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 54 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 64-LQFP |
| Data converters | A/D 20x16b; D/A 1x12b |
| Program memory size | 128KB (128K x 8) |
Product details
Frequently asked questions
What is MKL33Z128VLH4's core speed and memory?
The MKL33Z128VLH4 runs at 48 MHz with 128 KB of Flash program memory and 16 KB of RAM, which is adequate for control-loop, HMI, and sensor-fusion applications but not for high-speed DSP or full TCP/IP stacks.
What is the closest pin-compatible alternative to MKL33Z128VLH4?
The Kinetis KL3 family includes pin-compatible siblings with different Flash and RAM densities, such as the MKL33Z64VLH4 (64 KB Flash) and MKL33Z256VLH4 (256 KB Flash), all in the same 64-LQFP package. These allow scaling memory without a board respin.