ATSAMD20J18A-AU vs ATSAMD20J14B-AU Comparison
Detailed side-by-side comparison of ATSAMD20J18A-AU by Microchip Technology and ATSAMD20J14B-AU 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
ATSAMD20J18A-AU - ARM Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD20J18A-AU ✓ ActiveMicrochip Technology
ATSAMD20J14B-AU - 48MHz ARM Cortex-M0+ MCU, 16KB Flash | Microchip
ATSAMD20J14B-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20J18A-AU | ATSAMD20J14B-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.15 | $1.96 |
| Core | ARM Cortex-M0+ (ARMv6-M, 32-bit) | — |
| Maximum Clock Frequency | 48 MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | — |
| Operating Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.63 V |
| Package | 64-LQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Programmable I/O Pins | Up to 52 | — |
| ADC | 12-bit, up to 200 ksps | 12-bit, 12 channels, 350 ksps |
| DAC | 10-bit | 10-bit, 1 channel, 350 ksps |
| SERCOM Interfaces | Up to 8 (UART/SPI/I2C/LIN configurable) | — |
| USB | Full-Speed USB 2.0 Device | USB 2.0 Full-Speed Device with on-chip transceiver |
| Timer/Counters | Six 16-bit TC, one 24-bit TC, one 32-bit RTC | — |
| DMA Channels | 2 (with 12 channels) | 12 |
| Operating Temperature Range | -40 C to +85 C | — |
| Mounting Type | Surface Mount (LQFP) | Surface Mount (TQFP, gull-wing) |
| MSL Level | 3 | — |
| RoHS Status | Compliant | Compliant (Pb-free TQFP) |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Core Subseries | — | SAM D20 |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 16 KB (16K x 8) |
| Data Memory (SRAM) | — | 2 KB |
| Temperature Grade | — | Industrial (-40C to +85C) |
| GPIO Count | — | 38 |
| SERCOM Channels | — | 6 (each configurable as UART/SPI/I2C) |
| Analog Comparators | — | 2 |
| Peripheral Touch Controller (PTC) | — | Yes (buttons, sliders, wheels) |
| RTC | — | 24-bit, with calendar mode |