ATSAM3S4BA-AUR vs ATSAM3SD8BA-AUR Comparison
Detailed side-by-side comparison of ATSAM3S4BA-AUR by Microchip Technology and ATSAM3SD8BA-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
ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-AUR ✓ ActiveMicrochip Technology
ATSAM3SD8BA-AUR - 64MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3SD8BA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4BA-AUR | ATSAM3SD8BA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 (32-bit RISC) | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | — |
| Program Memory Size | 256KB (256K x 8) Flash | — |
| RAM Size | 49KB SRAM | [DATA_NEEDED: internal SRAM size] |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Supply Voltage (Typical) | 1.8 V / 3.3 V | — |
| Connectivity | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB | — |
| DMA | Yes (peripheral DMA controller) | — |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Pin Count | 64 | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Series | SAM3S (SAM3S4B) | — |
| Pin Compatibility | Pin-to-pin compatible with SAM3N4B and SAM7S64 | — |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | — |
| RoHS Status | Compliant (RoHS/Green per distributor listings) | Compliant (Green, per Mouser listing) |
| ECCN / HTS | [DATA_NEEDED: ECCN] | — |
| Max Clock Frequency | — | 64 MHz |
| FLASH Memory Size | — | 512KB (512K x 8) |
| Supply Voltage | — | 1.8 V to 3.3 V |
| Number of Pins | — | 64 |
| Temperature Grade | — | Industrial (IND TEMP) |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square (LFQFP) |
| Peripherals | — | [DATA_NEEDED: peripheral set summary] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |
| Operating Temperature Range | — | [DATA_NEEDED: exact min/max C range] |
| Packing | — | Tape & Reel (R suffix) |