ATMEGA644P-20PQ vs ATMEGA644PV-10PQ Comparison
Detailed side-by-side comparison of ATMEGA644P-20PQ by Microchip Technology and ATMEGA644PV-10PQ 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
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ NrndMicrochip Technology
ATMEGA644PV-10PQ - 8-Bit AVR MCU 64KB Flash 10MHz | Microchip
ATMEGA644PV-10PQ NrndSpecification Comparison
| Parameter | ATMEGA644P-20PQ | ATMEGA644PV-10PQ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.40 | $4.98 |
| Core Architecture | AVR 8-bit RISC | — |
| Maximum Clock Frequency | 20 MHz | 10 MHz |
| Flash Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4K x 8) | — |
| EEPROM | 2 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Operating Voltage (20MHz) | 4.5 V to 5.5 V | — |
| Number of I/O | 32 | — |
| Package | 40-PDIP | 40-PDIP (0.600 inch, 15.24mm) |
| Oscillator Type | Internal RC | — |
| USARTs | 2 | — |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| Processing Throughput | Up to 20 MIPS at 20 MHz (approx. 1 MIPS per MHz) | — |
| Temperature Range | Extended temperature (industrial) | — |
| Programming Features | In-System Programmable Flash, self-programming boot section, JTAG | — |
| Power Modes | Idle, Power-down, Power-save, Standby, Extended Standby (picoPower) | — |
| Mounting Type | Through Hole | Through-Hole |
| RoHS Status | Green (per FindIC listing) | [DATA_NEEDED: RoHS status] |
| Core | — | AVR 8-bit |
| Series | — | AVR ATmega ATMEGA644P |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| SRAM Size | — | 4 KB |
| EEPROM Size | — | 2 KB |
| Minimum Operating Voltage | — | 1.8 V |
| Communication Interfaces | — | I2C, SPI, UART/USART |
| Number of USARTs | — | 2 (P-variant) |
| Oscillator | — | Internal oscillator included |
| Number of Terminals | — | 40 |
| Temperature Grade | — | Industrial |
| Programming Method | — | In-System Programmable (ISP) via SPI, boot loader, conventional programmer |
| Maximum Operating Frequency vs Voltage | — | [DATA_NEEDED: V-f curve] |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution] |
| Timers | — | [DATA_NEEDED: timer count and sizes] |
| Operating Temperature Range | — | [DATA_NEEDED: exact C range] |