ATMEGA644PV-10PQ vs ATMEGA644P-20PQ Comparison
Detailed side-by-side comparison of ATMEGA644PV-10PQ 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
ATMEGA644PV-10PQ - 8-Bit AVR MCU 64KB Flash 10MHz | Microchip
ATMEGA644PV-10PQ NrndMicrochip Technology
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ NrndSpecification Comparison
| Parameter | ATMEGA644PV-10PQ | ATMEGA644P-20PQ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Nrnd |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.98 | $7.40 |
| Core | AVR 8-bit | β |
| Series | AVR ATmega ATMEGA644P | β |
| Maximum Clock Frequency | 10 MHz | 20 MHz |
| Program Memory Size | 64KB (32K x 16) Flash | β |
| SRAM Size | 4 KB | β |
| EEPROM Size | 2 KB | β |
| Minimum Operating Voltage | 1.8 V | β |
| Communication Interfaces | I2C, SPI, UART/USART | β |
| Number of USARTs | 2 (P-variant) | β |
| Oscillator | Internal oscillator included | β |
| Package | 40-PDIP (0.600 inch, 15.24mm) | 40-PDIP |
| Mounting Type | Through-Hole | Through Hole |
| Number of Terminals | 40 | β |
| Temperature Grade | Industrial | β |
| Programming Method | In-System Programmable (ISP) via SPI, boot loader, conventional programmer | β |
| Maximum Operating Frequency vs Voltage | [DATA_NEEDED: V-f curve] | β |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | β |
| Timers | [DATA_NEEDED: timer count and sizes] | β |
| Operating Temperature Range | [DATA_NEEDED: exact C range] | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Green (per FindIC listing) |
| Core Architecture | β | AVR 8-bit RISC |
| 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 |
| Number of I/O | β | 32 |
| Oscillator Type | β | Internal RC |
| 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) |