ATMEGA3290P-20AUR vs ATMEGA649A-AUR Comparison
Detailed side-by-side comparison of ATMEGA3290P-20AUR by Microchip Technology and ATMEGA649A-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
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR β ActiveMicrochip Technology
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA3290P-20AUR | ATMEGA649A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $5.72 |
| Core Architecture | AVR 8-bit RISC CMOS | 8-bit AVR RISC |
| Program Memory (Flash) | 32 KB (16K x 16) ISP, read-while-write | β |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | β |
| Peak Performance | 20 MIPS (approx. 1 MIPS/MHz) | β |
| Instruction Set | 130 instructions, most single-cycle | β |
| General-Purpose I/O | 69 lines | β |
| Working Registers | 32 | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| LCD Controller | Yes, on-chip segment LCD driver | Yes, on-chip with internal contrast control |
| Debug / Programming | JTAG on-chip debug, ICSP self-programming | β |
| Low-Power Technology | picoPower | β |
| Package | 100-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Operating Temperature | -40C to +85C (industrial) | β |
| Mounting Type | Surface Mount | Surface Mount |
| Packing | Tape & Reel (R suffix) | β |
| RoHS Status | Green / RoHS compliant per distributor data | β |
| Flash Program Memory | β | 64 KB (32K x 16) |
| Maximum Clock Speed | β | 16 MHz |
| I/O Ports | β | 53 general-purpose I/O lines |
| JTAG Interface | β | Yes (boundary-scan, on-chip debug, programming) |
| Instructions | β | 130 instructions, most single-cycle |
| Flash Programming | β | In-System Programmable (ISP), read-while-write |
| Operating Temperature Grade | β | Industrial |
| Data Bus Width | β | 8 bit |
| Lifecycle Status | β | Active |