Microchip Technology ATSAMD21J18A-CU Microcontrollers
IC MCU 32BIT 256KB FLASH 64UFBGA
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMD21J18A-CU
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 64UFBGA
Package
64-UFBGA
Lifecycle Status
Active
Datasheet
ATSAMD21J18A-CU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMD21J18A-CU Microcontrollers technical specifications.
General
Series
SAMD21
RAM Size
32K x 8
Data Bus Width
32 bit
Maximum Clock Frequency
48 MHz
RoHS
Yes
Package / Case
64-UFBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Related Parts Comparison (ATSAMD21J18A-CU vs ATSAMD21J17A-MU vs ATSAMD21J17D-CUT vs ATSAMD21J18A-MUT)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 64-UFBGA | 64-VFQFN Exposed Pad | 64-UFBGA | 64-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°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 ~ 3.63V | 1.62V ~ 3.6V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | 16K x 8 | 16K x 8 | 32K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB |
| Data Converters | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b |
| Number of I/O | 52 | 52 | 52 | 52 |
| 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
CY8C4148AZQ-S455Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 256KB FLASH 64TQFP
MKL17Z256VMP4NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLSH 64MAPBGA
MKL26Z256VMP4NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLSH 64MAPBGA
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