ATMEGA649P-AUR vs ATMEGA645P-AUR Comparison
Detailed side-by-side comparison of ATMEGA649P-AUR by Microchip Technology and ATMEGA645P-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
ATMEGA649P-AUR - AVR 8-bit MCU 64KB Flash LCD | Microchip
ATMEGA649P-AUR ✓ ActiveMicrochip Technology
ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645P-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649P-AUR | ATMEGA645P-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 64 KB ISP Flash (read-while-write) | 64KB (32K x 16) In-System Programmable |
| EEPROM | 2 KB | 2KB |
| SRAM | 4 KB | 4KB |
| Maximum CPU Speed | 16 MHz | — |
| General Purpose I/O | 54/69 lines | — |
| Working Registers | 32 general purpose | — |
| LCD Controller | Integrated segment LCD driver | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Low Power Technology | picoPower | — |
| Supply Voltage | 1.8 V to 5.5 V (picoPower family) | 4.5 V to 5.5 V (16 MHz industrial speed grade) |
| Operating Temperature | -40C to +85C (industrial, per A-grade suffix) | -40C to +85C (A = industrial grade) |
| Package | 64TQFP (TQFP-64) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packing | Tape & Reel (T&R) | — |
| RoHS / Green | GREEN package | — |
| Product Status | Active | — |
| Data Bus Width | — | 8 Bit |
| Maximum Clock Frequency | — | 16 MHz |
| I/O Ports | — | 53 I/O lines |
| Programming Interface | — | ICSP (In-Circuit Serial Programming) |
| General Purpose Registers | — | 32 directly connected to ALU |
| Lifecycle Stage | — | Active |
| RoHS Status | — | [DATA_NEEDED: RoHS compliance status] |
| Packaging | — | Tape & Reel (R suffix) |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |