ATSAM3SD8CA-CU vs ATSAM4S8CA-CU Comparison
Detailed side-by-side comparison of ATSAM3SD8CA-CU by Microchip Technology and ATSAM4S8CA-CU 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
ATSAM3SD8CA-CU - 64MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3SD8CA-CU ✓ ActiveMicrochip Technology
ATSAM4S8CA-CU - ARM Cortex-M4 MCU 120MHz 512KB Flash | Microchip
ATSAM4S8CA-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3SD8CA-CU | ATSAM4S8CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.41 | $6.18 |
| Core Processor | ARM Cortex-M3 | — |
| Core Size | 32-Bit Single-Core | — |
| Maximum Clock Frequency | 64 MHz | — |
| Flash Memory Size | 512 KB (512K x 8) | — |
| RAM Size | 64K x 8 | — |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Series | SAM3S | — |
| Package | 100-TFBGA (9x9 mm), 0.8 mm pitch, 1.1 mm height | 100-pin TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| Technology | CMOS | — |
| Terminal Form | Ball | — |
| Number of Terminals | 100 | — |
| Package Shape | Square | — |
| Connectivity | USB, USART, SPI, TWI (I2C) | — |
| Green / RoHS Attribute | Green, IT, MRL A | — |
| Oscillator Type | Internal + External crystal | — |
| Core Architecture | — | ARM Cortex-M4 |
| Core Width | — | 32-bit |
| Maximum Clock Speed | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB (512K x 8) |
| SRAM | — | 128 KB |
| Instruction Cache | — | 2 KB |
| DSP Extensions | — | Yes (single-cycle MAC, hardware multiply) |
| Memory Protection Unit (MPU) | — | Yes |
| Instruction Set | — | Thumb-2, ARM Cortex-M4 |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.6 V |
| Operating Temperature | — | -40 C to +85 C (Industrial) |
| External Bus Interface (EBI) | — | 16-bit (SDRAM/SRAM/NAND/NOR) |
| USB | — | USB 2.0 Full-Speed, on-chip transceiver |
| CAN | — | CAN 2.0A/B |
| ADC | — | 12-bit |
| Active Current | — | Approx. 30 mA at 100 MHz (per datasheet) |
| Back-up Mode Current (RTC, 1.8 V) | — | 3 uA |
| Pin-to-Pin Compatibility | — | SAM4S, SAM4N, SAM3S, SAM3N, SAM7S (64-/100-pin) |
| MSL Level | — | [DATA_NEEDED: MSL Level] |
| RoHS Status | — | Compliant (per Heisener listing) |