ATSAM3SD8BA-AU vs ATSAM3S4BA-AUR Comparison
Detailed side-by-side comparison of ATSAM3SD8BA-AU by Microchip Technology and ATSAM3S4BA-AUR 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
ATSAM3SD8BA-AU - 512KB Flash Cortex-M3 MCU 64MHz | Microchip
ATSAM3SD8BA-AU β ActiveMicrochip Technology
ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-AUR β ActiveSpecification Comparison
| Parameter | ATSAM3SD8BA-AU | ATSAM3S4BA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.05 | $3.44 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 (32-bit RISC) |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Speed | 64 MHz | β |
| Flash Memory | 512KB (512K x 8) | β |
| SRAM | 100KB | β |
| Core Supply Voltage (VDDCORE) | 1.08 V to 1.32 V | β |
| I/O Supply Voltage | 1.62 V to 3.6 V | β |
| Number of I/O | 47 | β |
| USB | USB 2.0 High-Speed Device with integrated transceiver | β |
| Memory Protection Unit | Yes (MPU) | β |
| Instruction Set | Thumb-2 | β |
| Peripherals | DMA, 12-bit DAC, USART, SPI, TWI, PWM, ADC | β |
| Package | 64-LQFP (10 x 10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant (LQFP, Green, MRL) | Compliant (RoHS/Green per distributor listings) |
| Lifecycle Status | Active | β |
| Compatibility | Pin-to-pin compatible with AT91SAM7S legacy series | β |
| Maximum Clock Frequency | β | 64 MHz |
| Program Memory Size | β | 256KB (256K x 8) Flash |
| RAM Size | β | 49KB SRAM |
| Supply Voltage Range | β | 1.62 V to 3.6 V |
| Supply Voltage (Typical) | β | 1.8 V / 3.3 V |
| Connectivity | β | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB |
| DMA | β | Yes (peripheral DMA controller) |
| Pin Count | β | 64 |
| Series | β | SAM3S (SAM3S4B) |
| Pin Compatibility | β | Pin-to-pin compatible with SAM3N4B and SAM7S64 |
| MSL Level | β | [DATA_NEEDED: moisture sensitivity level] |
| ECCN / HTS | β | [DATA_NEEDED: ECCN] |