ATMEGA644PA-ANR vs ATMEGA644P-20PQ Comparison
Detailed side-by-side comparison of ATMEGA644PA-ANR by Microchip Technology and ATMEGA644P-20PQ 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
ATMEGA644PA-ANR - 8-bit AVR MCU 64KB Flash 44-TQFP | Microchip
ATMEGA644PA-ANR β ActiveMicrochip Technology
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ NrndSpecification Comparison
| Parameter | ATMEGA644PA-ANR | ATMEGA644P-20PQ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Nrnd |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.35 | $7.40 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 16 MHz | β |
| Program Memory Size | 64 KB (32K x 16) | β |
| Program Memory Type | FLASH | β |
| EEPROM Size | 2 KB | β |
| RAM Size | 4 KB | β |
| Number of I/O | 32 | 32 |
| Oscillator Type | Internal | Internal RC |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | β |
| Connectivity | I2C, SPI, USART | β |
| ADC Resolution | 10-bit, 8 channels | β |
| Architecture Features | 131 instructions, most single-cycle, 2-cycle on-chip multiplier | β |
| Package / Case | 44-TQFP (10x10 mm) | β |
| Operating Temperature | -40C to +105C | β |
| Mounting Type | Surface Mount | Through Hole |
| Packaging | Tape & Reel (TR) | β |
| Technology | picoPower | β |
| Voltage - Supply | [DATA_NEEDED: Voltage - Supply] | β |
| RoHS Status | Green (RoHS compliant per FindIC listing) | Green (per FindIC listing) |
| Core Architecture | β | AVR 8-bit RISC |
| Maximum Clock Frequency | β | 20 MHz |
| Flash Memory | β | 64 KB (32K x 16) |
| SRAM | β | 4 KB (4K x 8) |
| EEPROM | β | 2 KB |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Operating Voltage (20MHz) | β | 4.5 V to 5.5 V |
| Package | β | 40-PDIP |
| USARTs | β | 2 |
| Instruction Set | β | 131 instructions, mostly single-cycle |
| Processing Throughput | β | Up to 20 MIPS at 20 MHz (approx. 1 MIPS per MHz) |
| Temperature Range | β | Extended temperature (industrial) |
| Programming Features | β | In-System Programmable Flash, self-programming boot section, JTAG |
| Power Modes | β | Idle, Power-down, Power-save, Standby, Extended Standby (picoPower) |