ATMEGA644P-20PQ vs ATMEGA645P-AU Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20PQ par Microchip Technology et ATMEGA645P-AU 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
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ NrndMicrochip Technology
ATMEGA645P-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645P-AU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644P-20PQ | ATMEGA645P-AU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | NRND | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $7,40 | $4,60 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Fréquence d'horloge maximale | 20 MHz | 16 MHz |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) ISP |
| SRAM | 4 KB (4K x 8) | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.5 V to 5.5 V |
| Operating Voltage (20MHz) | 4.5 V to 5.5 V | — |
| Number of I/O | 32 | — |
| Boîtier | 40-PDIP | 64-TQFP (14 x 14 mm) |
| 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) | — |
| Type de montage | Through Hole | Surface Mount |
| Statut RoHS | Green (per FindIC listing) | Compliant (Green package per Microchip listings) |
| General Purpose I/O | — | 54 lines |
| Working Registers | — | 32 x 8-bit general purpose |
| Température de fonctionnement | — | -40C to +85C (Industrial) |
| Programming Interface | — | ICSP (In-Circuit Serial Programming) |
| Debug Support | — | debugWIRE via MPLAB SNAP |
| Low Power Technology | — | picoPower |
| Approximate Throughput | — | up to 16 MIPS at 16 MHz (1 MIPS/MHz) |