ATMEGA645P-AUR vs ATMEGA6450P-AUR Comparison
Detailed side-by-side comparison of ATMEGA645P-AUR by Microchip Technology and ATMEGA6450P-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
ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645P-AUR ✓ ActiveMicrochip Technology
ATMEGA6450P-AUR - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA6450P-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645P-AUR | ATMEGA6450P-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.50 | $4.18 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Data Bus Width | 8 Bit | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | 64 KB (32K x 16) ISP Flash |
| EEPROM | 2KB | 2 KB |
| SRAM | 4KB | 4 KB (4K x 8) |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Supply Voltage | 4.5 V to 5.5 V (16 MHz industrial speed grade) | — |
| I/O Ports | 53 I/O lines | — |
| Package | 64-TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A = industrial grade) | — |
| Programming Interface | ICSP (In-Circuit Serial Programming) | ICSP (In-Circuit Serial Programming) |
| General Purpose Registers | 32 directly connected to ALU | — |
| Lifecycle Stage | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | [DATA_NEEDED: RoHS status] |
| Packaging | Tape & Reel (R suffix) | — |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | — |
| Supply Voltage Range | — | 1.8 V to 5.5 V (2.5V/3.3V/5V typical) |
| General Purpose I/O | — | 54 / 69 I/O lines |
| Working Registers | — | 32 general purpose registers |
| Temperature Grade | — | Industrial |
| Low Power Technology | — | picoPower |
| Read-While-Write Flash | — | Yes |
| Series | — | AVR ATmega |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |