ATMEGA645P-AUR vs ATMEGA649P-AUR Comparison
Detailed side-by-side comparison of ATMEGA645P-AUR by Microchip Technology and ATMEGA649P-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 β ActiveMicrochip Technology
ATMEGA649P-AUR - AVR 8-bit MCU 64KB Flash LCD | Microchip
ATMEGA649P-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA645P-AUR | ATMEGA649P-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.50 | $4.72 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Data Bus Width | 8 Bit | β |
| Flash Memory | 64KB (32K x 16) In-System Programmable | 64 KB ISP Flash (read-while-write) |
| EEPROM | 2KB | 2 KB |
| SRAM | 4KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | β |
| Supply Voltage | 4.5 V to 5.5 V (16 MHz industrial speed grade) | 1.8 V to 5.5 V (picoPower family) |
| I/O Ports | 53 I/O lines | β |
| Package | 64-TQFP (14x14 mm) | 64TQFP (TQFP-64) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A = industrial grade) | -40C to +85C (industrial, per A-grade suffix) |
| 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] | β |
| Packaging | Tape & Reel (R suffix) | β |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | β |
| Maximum CPU Speed | β | 16 MHz |
| General Purpose I/O | β | 54/69 lines |
| Working Registers | β | 32 general purpose |
| LCD Controller | β | Integrated segment LCD driver |
| Debug Interface | β | JTAG (on-chip debug, boundary scan) |
| Low Power Technology | β | picoPower |
| Packing | β | Tape & Reel (T&R) |
| RoHS / Green | β | GREEN package |
| Product Status | β | Active |