ATMEGA6450-16AUR vs ATMEGA3290P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA6450-16AUR 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
ATMEGA6450-16AUR - 8-Bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA6450-16AUR ✓ ActiveMicrochip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA6450-16AUR | ATMEGA3290P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC CMOS |
| Program Memory (Flash) | 64 KB (32K x 16), ISP | 32 KB (16K x 16) ISP, read-while-write |
| SRAM | 4 KB | 2 KB |
| EEPROM | 2 KB | 1 KB |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Performance (MIPS) | 16 MIPS at 16 MHz | — |
| Instructions | 130 instructions, most single-cycle | — |
| Supply Voltage Range | 2.7 V to 5.5 V (16 MHz requires 4.5 V to 5.5 V) | 2.7 V to 5.5 V |
| ADC | 8-channel 10-bit | — |
| Debug Interface | JTAG (on-chip debug and boundary scan) | — |
| Programmable I/O | 68 lines | — |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Data Bus Width | 8 Bit | — |
| Lifecycle Status | Active | — |
| RoHS Status | Compliant (green package, 'U' suffix) | Green / RoHS compliant per distributor data |
| Peak Performance | — | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | — | 130 instructions, most single-cycle |
| General-Purpose I/O | — | 69 lines |
| Working Registers | — | 32 |
| LCD Controller | — | Yes, on-chip segment LCD driver |
| Debug / Programming | — | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | — | picoPower |
| Packing | — | Tape & Reel (R suffix) |