ATMEGA645P-AUR vs ATMEGA645-16AI Comparison
Detailed side-by-side comparison of ATMEGA645P-AUR by Microchip Technology and ATMEGA645-16AI 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
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI β ActiveSpecification Comparison
| Parameter | ATMEGA645P-AUR | ATMEGA645-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.50 | $6.45 |
| 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 | β |
| EEPROM | 2KB | 2 KB |
| SRAM | 4KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Supply Voltage | 4.5 V to 5.5 V (16 MHz industrial speed grade) | β |
| I/O Ports | 53 I/O lines | β |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A = industrial grade) | -40C to +85C (industrial, I grade) |
| 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] | Compliant |
| Packaging | Tape & Reel (R suffix) | β |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | β |
| Flash Program Memory | β | 64 KB (32K x 16) ISP |
| Throughput | β | 16 MIPS at 16 MHz |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| ADC | β | 8-channel, 10-bit |
| Programmable I/O | β | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | β | Yes (on-chip debugging and boundary scan) |
| Instruction Set | β | 130 instructions, mostly single-cycle |
| Interfaces | β | USART, SPI, TWI (I2C) |
| ISP Capability | β | In-System Programmable Flash |