ATMEGA645P-AU vs ATMEGA645P-AUR Comparison
Detailed side-by-side comparison of ATMEGA645P-AU 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
ATMEGA645P-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645P-AU ✓ ActiveMicrochip Technology
ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645P-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645P-AU | ATMEGA645P-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.60 | $4.50 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 64 KB (32K x 16) ISP | 64KB (32K x 16) In-System Programmable |
| EEPROM | 2 KB | 2KB |
| SRAM | 4 KB | 4KB |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V | — |
| General Purpose I/O | 54 lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (A = industrial grade) |
| Programming Interface | ICSP (In-Circuit Serial Programming) | ICSP (In-Circuit Serial Programming) |
| Debug Support | debugWIRE via MPLAB SNAP | — |
| Low Power Technology | picoPower | — |
| Approximate Throughput | up to 16 MIPS at 16 MHz (1 MIPS/MHz) | — |
| RoHS Status | Compliant (Green package per Microchip listings) | [DATA_NEEDED: RoHS compliance status] |
| Data Bus Width | — | 8 Bit |
| Supply Voltage | — | 4.5 V to 5.5 V (16 MHz industrial speed grade) |
| I/O Ports | — | 53 I/O lines |
| General Purpose Registers | — | 32 directly connected to ALU |
| Lifecycle Stage | — | Active |
| Packaging | — | Tape & Reel (R suffix) |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |