ATMEGA325-16AUR vs ATMEGA645-16AUR Comparison
Detailed side-by-side comparison of ATMEGA325-16AUR by Microchip Technology and ATMEGA645-16AUR 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
ATMEGA325-16AUR - AVR 8-Bit MCU 32KB 16MHz TQFP-64 | Microchip
ATMEGA325-16AUR ✓ ActiveMicrochip Technology
ATMEGA645-16AUR - 8-Bit AVR MCU 64KB 16MHz 64-TQFP | Microchip
ATMEGA645-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325-16AUR | ATMEGA645-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.80 | $5.40 |
| Core Architecture | AVR 8-bit RISC | — |
| Flash Memory | 32KB (16K x 16) | — |
| EEPROM | 1KB | 2 KB |
| SRAM | 2KB | 4 KB |
| Maximum Clock Frequency | 16MHz | — |
| Supply Voltage | 5V | — |
| ADC | Yes, integrated | — |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) |
| Number of Terminals | 64 | — |
| Terminal Form | Gull Wing | — |
| Package Shape | Square | — |
| Temperature Grade | Industrial | — |
| Operating Temperature | -40C to +85C | -40C to +85C (A grade) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape and Reel (R suffix) | — |
| Product Series | AVR ATmega | — |
| RoHS Status | Compliant (RoHS R suffix per Microchip part numbering) | Compliant (R suffix) |
| 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) |
| 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 |
| Lifecycle Stage | — | Active |