ATMEGA645-16MI vs ATMEGA645-16MU Comparison
Detailed side-by-side comparison of ATMEGA645-16MI by Microchip Technology and ATMEGA645-16MU 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
ATMEGA645-16MI - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA645-16MI ✓ ActiveMicrochip Technology
ATMEGA645-16MU - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645-16MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645-16MI | ATMEGA645-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Core Clock Speed | 16 MHz | — |
| Program Memory Size | 64 KB (32K x 16) Flash | 64 KB (32K x 16) Flash, ISP |
| Program Memory Type | In-System Programmable FLASH | — |
| SRAM Size | 4 KB | 4 KB |
| EEPROM Size | 2 KB | 2 KB |
| Number of I/O | 53 programmable I/O lines | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 | 8 channels |
| LCD Controller | Yes (segment LCD driver) | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | JTAG (on-chip debugging and boundary scan) |
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial (-I suffix) | — |
| Instructions | 130 powerful instructions, most single-cycle | — |
| Supply Voltage | [DATA_NEEDED: supply voltage range] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | GREEN package (per FindIC listing) |
| Maximum Clock Frequency | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O Lines | — | 68 |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Speed Grade Class | — | 16 (industrial, GREEN) |
| Core Supply | — | Single supply |