ATMEGA644P-20PU vs ATMEGA644V-10PU Comparison
Detailed side-by-side comparison of ATMEGA644P-20PU by Microchip Technology and ATMEGA644V-10PU 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-20PU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20PU ✓ ActiveMicrochip Technology
ATMEGA644V-10PU - 8-bit AVR MCU 64KB Flash 10MHz DIP-40 | Microchip
ATMEGA644V-10PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA644P-20PU | ATMEGA644V-10PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.55 | $5.93 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR enhanced RISC |
| Core Size | 8-bit | — |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 64KB (32K x 16) | 64 KB (32K x 16) In-System Programmable |
| SRAM | 4KB | 4 KB |
| EEPROM | 2KB | 2 KB |
| I/O Count | 32 | — |
| ADC Channels | 8 channels, 10-bit | — |
| PWM Channels | 6 | — |
| Timers/Counters | 3 | 3 (with compare modes and PWM) |
| Communication Interfaces | I2C, SPI, UART/USART (2 x USART) | — |
| Supply Voltage (max speed) | 5 V (4.5V to 5.5V) | — |
| Operating Temperature | -40C to +85C | -40C to +85C (Industrial) |
| Package | 40-PDIP (0.600 inch width) | 40-Pin PDIP (through-hole) |
| Mounting Type | Through Hole | Through Hole |
| Program Memory Type | ISP FLASH (read-while-write) | — |
| Technology | picoPower low-power CMOS | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant (Green) |
| MSL Level | N/A (through-hole) | — |
| Maximum Clock Frequency | — | 10 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| I/O Pins | — | 32 general purpose |
| ADC | — | 8-channel, 10-bit |
| USART | — | 2 |
| SPI | — | Yes, 1x SPI |
| TWI (I2C) | — | Yes, byte-oriented two-wire |
| Real-Time Counter | — | Yes |
| JTAG | — | IEEE 1149.1 boundary scan, on-chip debug |
| Programming | — | ICSP in-circuit serial programming |