ATMEGA644P-20PQ vs ATMEGA1284-PU Vergleich
Detaillierter Direktvergleich von ATMEGA644P-20PQ von Microchip Technology und ATMEGA1284-PU von Microchip Technology. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Microchip Technology
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ NrndMicrochip Technology
ATMEGA1284-PU - 8-bit AVR MCU 128KB Flash 20MHz PDIP-40 | Microchip
ATMEGA1284-PU ✓ AktivSpezifikationsvergleich
| Parameter | ATMEGA644P-20PQ | ATMEGA1284-PU |
|---|---|---|
| Marke | Microchip Technology | Microchip Technology |
| Kategorie | Microcontrollers | Microcontrollers |
| Lebenszyklusstatus | NRND | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $7,40 | $6,21 |
| Core Architecture | AVR 8-bit RISC | AVR enhanced RISC, 8-bit |
| Maximale Taktfrequenz | 20 MHz | 20 MHz |
| Flash Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4K x 8) | 16KB |
| EEPROM | 2 KB | 4KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.5V to 5.5V (speed-graded) |
| Operating Voltage (20MHz) | 4.5 V to 5.5 V | — |
| Number of I/O | 32 | — |
| Gehäuse | 40-PDIP | 40-PDIP |
| 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) | — |
| Montageart | Through Hole | Through Hole |
| RoHS-Status | Green (per FindIC listing) | [DATA_NEEDED: RoHS status] |
| Flash Program Memory | — | 128KB (64K x 16) |
| I/O Pins | — | 32 general purpose I/O lines |
| ADC | — | 8-channel, 10-bit |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| USART | — | 2 |
| Serial Interfaces | — | SPI, 2-Wire (I2C), USART |
| JTAG | — | Yes (Port C, on-chip debug and boundary-scan) |
| Instructions | — | 133 instructions, most single-cycle |
| Betriebstemperatur | — | [DATA_NEEDED: operating temperature range] |