ATMEGA64-16MI vs ATMEGA644P-20MQR Comparison
Detailed side-by-side comparison of ATMEGA64-16MI by Microchip Technology and ATMEGA644P-20MQR 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
ATMEGA64-16MI - 8-Bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA64-16MI ✓ Active
Specification Comparison
| Parameter | ATMEGA64-16MI | ATMEGA644P-20MQR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.48 | $4.30 |
| Core Processor | AVR | AVR 8-bit RISC |
| Core Size | 8-Bit | 8-bit |
| Speed | 16 MHz | — |
| Flash Memory Size | 64 KB (32K x 16) | — |
| SRAM | 4 KB | 4 KB (4K x 8) |
| EEPROM | 2 KB | 2 KB |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 channels | — |
| Instructions | 130 powerful instructions, most single-cycle | — |
| Throughput | Up to 16 MIPS at 16 MHz | — |
| Debug Interface | JTAG (on-chip debug) | JTAG (on-chip debug, boundary scan) |
| Supply Voltage | 5 V (industrial speed grade) | — |
| Operating Temperature | -40C to +85C (industrial) | -40C to +105C (extended, M grade) |
| Package | 64-QFN (9x9 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Self-Programming Flash | Yes (In-System Programmable) | — |
| Speed (Max Clock) | — | 20 MHz |
| Flash Program Memory | — | 64 KB (32K x 16) |
| Number of I/O | — | 32 |
| Supply Voltage (VCC) | — | 4.5 V to 5.5 V (at 20 MHz) |
| Oscillator Type | — | Internal |
| USART Count | — | 2 (P variant dual USART) |
| Timers | — | Two 8-bit, one 16-bit |
| ADC | — | 8-channel, 10-bit |
| Communication Interfaces | — | USART x2, SPI, TWI (I2C) |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Low Power Technology | — | picoPower |
| Package / Case | — | 44-VQFN (7x7 mm) exposed pad (MLF) |
| Packaging | — | Tape & Reel (TR) |
| RoHS / Green Status | — | GREEN, RoHS compliant |