ATSAMD21J15B-MUT vs ATSAMD21J18A-AF Comparison

Detailed side-by-side comparison of ATSAMD21J15B-MUT by Microchip Technology and ATSAMD21J18A-AF 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
ATSAMD21J15B-MUT ATSAMD21J15B-MUT - 48MHz Cortex-M0+ 32KB Flash MCU

ATSAMD21J15B-MUT - 48MHz Cortex-M0+ 32KB Flash MCU

ATSAMD21J15B-MUT ✓ Active
Microchip Technology
ATSAMD21J18A-AF ATSAMD21J18A-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip

ATSAMD21J18A-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip

ATSAMD21J18A-AF ✓ Active

Specification Comparison

Parameter ATSAMD21J15B-MUT ATSAMD21J18A-AF
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Architecture ARM Cortex-M0+ (32-bit) —
Family SAM D21J (Functional Safety - FuSa) SAM D21J
Maximum CPU Frequency 48 MHz —
CoreMark/MHz 2.46 —
Program Flash 32 KB —
SRAM 4 KB 32 KB
Package 64-QFN (9x9 mm) with EP 64-pin TQFP (10x10 mm)
Supply Voltage 1.62 V to 3.63 V —
Operating Temperature -40 C to +85 C (Industrial) -40C to +125C (industrial)
ADC 12-bit, up to 14 channels 12-bit, up to 350 ksps, hardware oversampling
DAC 10-bit, 1 channel 12-bit, 1 Msps
SERCOM 6 channels (UART/SPI/I2C configurable) —
USB Full-speed USB 2.0 with on-chip transceiver USB 2.0 Full-Speed Device/Host
Timers/Counters TC (3x 16-bit), TCC (1x 24-bit) —
RTC Yes, with 32 kHz crystal support —
Debug Interface Serial Wire Debug (SWD), 2-pin —
Mounting Type Surface Mount —
MSL Level 3 (168 hours) —
RoHS Status Compliant Compliant
Core — ARM Cortex-M0+ (32-bit)
Maximum Clock Frequency — 48 MHz
CoreMark Score — 2.46 CoreMark/MHz
Flash Memory — 256 KB (256K x 8)
Supply Voltage Range — 1.6 V to 3.6 V
GPIO Count — Up to 52
SERCOM Modules — 6 (configurable as UART/SPI/I2C)
Analog Comparators — 2
Carrier Type — Tray

Datasheets & Resources

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