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