ATMEGA645-16AUR vs ATMEGA325-16AUR Comparison
Detailed side-by-side comparison of ATMEGA645-16AUR by Microchip Technology and ATMEGA325-16AUR 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
ATMEGA645-16AUR - 8-Bit AVR MCU 64KB 16MHz 64-TQFP | Microchip
ATMEGA645-16AUR ✓ ActiveMicrochip Technology
ATMEGA325-16AUR - AVR 8-Bit MCU 32KB 16MHz TQFP-64 | Microchip
ATMEGA325-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645-16AUR | ATMEGA325-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.40 | $4.80 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 4 KB | 2KB |
| EEPROM | 2 KB | 1KB |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| ADC Channels | 8-channel 10-bit | — |
| Programmable I/O Lines | 53 (TQFP-64 package) | — |
| Debug Interface | JTAG (on-chip debugging and boundary scan) | — |
| Instruction Count | 130 instructions, most single-cycle | — |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A grade) | -40C to +85C |
| RoHS Status | Compliant (R suffix) | Compliant (RoHS R suffix per Microchip part numbering) |
| Lifecycle Stage | Active | — |
| Core Architecture | — | AVR 8-bit RISC |
| Flash Memory | — | 32KB (16K x 16) |
| Maximum Clock Frequency | — | 16MHz |
| Supply Voltage | — | 5V |
| ADC | — | Yes, integrated |
| Number of Terminals | — | 64 |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square |
| Temperature Grade | — | Industrial |
| Packaging | — | Tape and Reel (R suffix) |
| Product Series | — | AVR ATmega |