ATMEGA649A-MU vs ATMEGA3290PA-AU Comparison
Detailed side-by-side comparison of ATMEGA649A-MU by Microchip Technology and ATMEGA3290PA-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
ATMEGA649A-MU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA649A-MU β ActiveMicrochip Technology
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU β ActiveSpecification Comparison
| Parameter | ATMEGA649A-MU | ATMEGA3290PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.42 | $4.48 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 64 KB (32K x 16) ISP Flash | 32 KB (16K x 16) |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Maximum Clock Speed | 16 MHz | β |
| Supply Voltage Range | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) | 1.8 V to 5.5 V |
| General Purpose I/O | 54/69 I/O lines | β |
| Working Registers | 32 general purpose registers | β |
| Debug Interface | JTAG (boundary scan and on-chip debug) | β |
| Package | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | β |
| Program Memory Type | Flash (read-while-write) | β |
| Series | AVR ATmega | β |
| RoHS Status | Compliant (Green package) | β |
| Core Performance | Up to 16 MIPS at 16 MHz (single-cycle instructions) | β |
| Core Size | β | 8-Bit |
| Max Clock Frequency | β | 20 MHz |
| Number of I/O Lines | β | 69 |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 131 Powerful Instructions, Most Single-Cycle |
| LCD Controller | β | On-chip segment LCD with internal contrast control |
| Debug/Programming Interface | β | JTAG (boundary-scan, on-chip debug, programming) |
| Flash Programming | β | In-System Programmable (ISP), read-while-write |
| Low Power Technology | β | picoPower |
| Temperature Range | β | Industrial |
| RoHS / Green Status | β | Green (RoHS compliant per distributor listing) |