ATSAML22J18A-MUT vs ATSAML21J18B-MUT Comparison
Detailed side-by-side comparison of ATSAML22J18A-MUT by Microchip Technology and ATSAML21J18B-MUT by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAML22J18A-MUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML22J18A-MUT ✓ ActiveMicrochip Technology
ATSAML21J18B-MUT - SAM L21 Cortex-M0+ 256KB Flash 48MHz QFN-64 MCU | Microchip
ATSAML21J18B-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML22J18A-MUT | ATSAML21J18B-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.25 | $4.68 |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Core Architecture | 32-bit RISC | 32-bit RISC |
| Series | SAM L22J | — |
| Maximum Clock Frequency | 32 MHz | — |
| Flash Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 1.6 V to 3.6 V | — |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Active Current | 39 uA/MHz (CoreMark) | — |
| Ultra-Low-Power Backup Mode Current | 490 nA (RTC retention) | — |
| Package | 64-QFN (9x9) with Exposed Pad | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (-MUT suffix) | — |
| LCD Controller | Segment LCD up to 8x36 segments | — |
| Capacitive Touch | Integrated PTC (Peripheral Touch Controller) | — |
| Serial Interfaces | Configurable SERCOM (UART/SPI/I2C) | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL rating] | 3 (168 hours) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark Score | — | 2.46 CoreMark/MHz |
| Program Memory (Flash) | — | 256 KB (256K x 8) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| I/O Pins | — | 51 |
| ADC | — | 12-bit, up to 20 channels |
| DAC | — | 12-bit, 1 channel |
| Communication Interfaces | — | SERCOM (UART/SPI/I2C), I2S, USB 2.0 FS |
| Timers/Counters | — | TC, TCC (16-bit) |
| Active Mode Current | — | <35 uA/MHz |
| Sleep Mode Current | — | 200 nA |
| Package Type | — | QFN-64 (9x9 mm) |
| Functional Safety | — | IEC 60730 class B (FuSa) |