ATMEGA1284-PU vs ATMEGA644P-20PQ Comparaison
Comparaison détaillée côte à côte de ATMEGA1284-PU par Microchip Technology et ATMEGA644P-20PQ par Microchip Technology. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Microchip Technology
ATMEGA1284-PU - 8-bit AVR MCU 128KB Flash 20MHz PDIP-40 | Microchip
ATMEGA1284-PU ✓ ActifMicrochip Technology
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ NrndComparaison des spécifications
| Paramètre | ATMEGA1284-PU | ATMEGA644P-20PQ |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | NRND |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $6,21 | $7,40 |
| Core Architecture | AVR enhanced RISC, 8-bit | AVR 8-bit RISC |
| Flash Program Memory | 128KB (64K x 16) | — |
| SRAM | 16KB | 4 KB (4K x 8) |
| EEPROM | 4KB | 2 KB |
| Fréquence d'horloge maximale | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.5V to 5.5V (speed-graded) | 2.7 V to 5.5 V |
| 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 | — |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range] | — |
| Boîtier | 40-PDIP | 40-PDIP |
| Type de montage | Through Hole | Through Hole |
| Statut RoHS | [DATA_NEEDED: RoHS status] | Green (per FindIC listing) |
| Flash Memory | — | 64 KB (32K x 16) |
| Operating Voltage (20MHz) | — | 4.5 V to 5.5 V |
| Number of I/O | — | 32 |
| 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) |