Microchip Technology ATSAMG55G19B-UNT Microcontroller, Microprocessor, FPGA Modules
WLCSP MRL B 105C TEMP T&R

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMG55G19B-UNT
Detailed Description
WLCSP MRL B 105C TEMP T&R
Package
49-UFBGA, WLCSP
Key Features
Package / Case: 49-UFBGA, WLCSP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATSAMG55G19B-UNT Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMG55G19B-UNT Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
176K x 8
Package / Case
49-UFBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Peripherals
DMA, I²S, POR, PWM, WDT
Number of I/O
38
Speed
120MHz
Core Processor
ARM® Cortex®-M4
Alternate Parts Comparison (ATSAMG55G19B-UNT vs ATSAMG55G19A-UUT vs ATSAMG55G19B-UUT vs ATSAMG54G19B-UUT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 49-UFBGA | 49-UFBGA | 49-UFBGA | 49-UFBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.45V |
| Core Processor | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 176K x 8 | 176K x 8 | 176K x 8 | 96K x 8 |
| Connectivity | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART |
| Data Converters | A/D 8x12b | A/D 8x12b | A/D 8x12b | A/D 8x12b |
| Number of I/O | 38 | 38 | 38 | 38 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | DMA, I²S, POR, PWM, WDT | DMA, I²S, POR, PWM, WDT | DMA, I²S, POR, PWM, WDT | DMA, I²S, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
CY8C6145FNI-S3F41TInfineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 512KB FLASH 49WLCSP
MK20FX512VMD12NXP SemiconductorsNXP
IC MCU 32B 512KB FLASH 144MAPBGA
MK22FN512VMP12NXP SemiconductorsNXP
IC MCU 32BIT 512KB FLSH 64MAPBGA
This part is listed as a cross for
STM32F401CCF6TRSTMicroelectronicsSimilarMicrochip
IC MCU 32BIT 256KB FLASH 49WLCSP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
