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