ATSAML21J16B-MUT vs ATSAML21J18B-MUT Comparison
Detailed side-by-side comparison of ATSAML21J16B-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
ATSAML21J16B-MUT - 48MHz Cortex-M0+ 64KB Flash MCU | Microchip
ATSAML21J16B-MUT ✓ ActiveMicrochip Technology
ATSAML21J18B-MUT - SAM L21J Cortex-M0+ MCU 256KB Flash 48MHz QFN-64 | Microchip
ATSAML21J18B-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21J16B-MUT | ATSAML21J18B-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.18 | $4.68 |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit |
| Series | SAM L21J | SAM L21J (Functional Safety) |
| Maximum Clock Speed | 48 MHz | — |
| CoreMark/MHz | 2.46 | 2.46 |
| Program Memory (Flash) | 64 KB (64K x 8) | 256 KB (256K x 8) |
| RAM (SRAM) | [DATA_NEEDED: SRAM size - vendor pages conflict (4 KB or 8 KB); datasheet Table 9-2 confirms part-number-dependent] | 32 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| Active Mode Current | < 35 uA/MHz | < 35 uA/MHz |
| Sleep Mode Current | 200 nA (typical) | 200 nA (typical) |
| Backup Mode Current | [DATA_NEEDED: typical backup mode current; datasheet Figure 45-7] | — |
| ADC | 12-bit, up to 1 Msps | [DATA_NEEDED: number of channels and resolution] |
| DAC | 10-bit, 350 ksps | — |
| SERCOM Modules | Up to 6 (UART/SPI/I2C/LIN configurable) | — |
| Package | 64-QFN (9x9 mm), surface mount | 64-QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40C to +85C |
| MSL Level | MSL3 (per JEDEC J-STD-020, [DATA_NEEDED: floor life]) | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant | Compliant |
| Lead-Free / Halogen-Free | Lead-free (per Microchip product page) | — |
| Maximum CPU Clock | — | 48 MHz |
| Operating Voltage | — | 1.62 V to 3.63 V |
| Number of I/O Pins | — | [DATA_NEEDED: exact GPIO count for QFN-64] |
| Connectivity | — | I2C, SPI, UART, LIN (via SERCOM peripheral) |
| Peripherals | — | Brown-out Detect, DMA, POR, WDT, RTC, AES |
| Packaging | — | Tape & Reel |