ATMEGA649A-AUR vs ATMEGA3290PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA649A-AUR by Microchip Technology and ATMEGA3290PA-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
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR β ActiveMicrochip Technology
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA649A-AUR | ATMEGA3290PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.72 | $2.95 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Program Memory | 64 KB (32K x 16) | β |
| EEPROM | 2 KB | β |
| SRAM | 4 KB | β |
| Maximum Clock Speed | 16 MHz | β |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| I/O Ports | 53 general-purpose I/O lines | β |
| LCD Controller | Yes, on-chip with internal contrast control | β |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | β |
| Instructions | 130 instructions, most single-cycle | β |
| Package | 64-TQFP (14x14 mm) | TQFP-100 (14x14 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Flash Programming | In-System Programmable (ISP), read-while-write | β |
| Operating Temperature Grade | Industrial | β |
| Data Bus Width | 8 bit | β |
| Lifecycle Status | Active | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Program Memory Type | β | FLASH |
| Program Memory Size | β | 32KB (16K x 16) |
| RAM Size | β | 2KB |
| EEPROM Size | β | 1KB |
| Maximum Clock Frequency | β | 20 MHz |
| Instruction Set | β | 131 powerful instructions, most single-clock cycle |
| LCD Driver | β | 4 x 40 Segment LCD Driver |
| Timers | β | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter |
| Operating Temperature | β | -40C to +85C (Industrial) |
| Programming Method | β | In-System Programmable (ISP), self-programming Flash |
| Power Modes | β | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) |
| RoHS Status | β | Green / Compliant (per FindIC listing) |