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