ATMEGA645P-AUR vs ATMEGA3290P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA645P-AUR by Microchip Technology and ATMEGA3290P-20AUR 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
ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645P-AUR β ActiveMicrochip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR β ActiveSpecification Comparison
| Parameter | ATMEGA645P-AUR | ATMEGA3290P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.50 | $0.00 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC CMOS |
| Data Bus Width | 8 Bit | β |
| Flash Memory | 64KB (32K x 16) In-System Programmable | β |
| EEPROM | 2KB | 1 KB |
| SRAM | 4KB | 2 KB |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Supply Voltage | 4.5 V to 5.5 V (16 MHz industrial speed grade) | β |
| I/O Ports | 53 I/O lines | β |
| Package | 64-TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A = industrial grade) | -40C to +85C (industrial) |
| Programming Interface | ICSP (In-Circuit Serial Programming) | β |
| General Purpose Registers | 32 directly connected to ALU | β |
| Lifecycle Stage | Active | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Green / RoHS compliant per distributor data |
| Packaging | Tape & Reel (R suffix) | β |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | β |
| Program Memory (Flash) | β | 32 KB (16K x 16) ISP, read-while-write |
| Peak Performance | β | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | β | 130 instructions, most single-cycle |
| General-Purpose I/O | β | 69 lines |
| Working Registers | β | 32 |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| LCD Controller | β | Yes, on-chip segment LCD driver |
| Debug / Programming | β | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | β | picoPower |
| Packing | β | Tape & Reel (R suffix) |