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