ATMEGA644P-20MQ vs ATMEGA64L-8MQ Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20MQ par Microchip Technology et ATMEGA64L-8MQ 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-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ Nrnd
Comparaison des spécifications
| Paramètre | ATMEGA644P-20MQ | ATMEGA64L-8MQ |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | NRND | NRND |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $2,48 | $7,95 |
| Core Architecture | AVR 8-bit RISC | — |
| CPU Speed | 20 MHz | — |
| Throughput | Up to 20 MIPS (1 MIPS per MHz) | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4,096 bytes) | — |
| EEPROM | 2 KB (2,048 bytes) | — |
| Operating Voltage | 5 V | — |
| Number of I/O | 32 | — |
| Digital Communication Peripherals | 2 UART | — |
| Oscillator Type | Internal | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| Boîtier | 44-VQFN (7x7 mm) with exposed pad | 64-VFQFN (9x9 mm), exposed pad |
| Type de montage | Surface Mount | Surface Mount |
| Temperature Grade | Industrial, extended temperature | Extended industrial |
| Packaging | Tape & Reel (TR) | Tape & Reel (R suffix) |
| Technology Feature | picoPower low-power, green/RoHS | — |
| Programming | ICSP via 2 I/O pins + reset, MPLAB SNAP compatible | — |
| Lifecycle | Mature; NRND - replaced by ATmega644PA | Mature product; not recommended for new designs; replaced by ATmega64A |
| Core | — | AVR 8-bit RISC |
| Core Size | — | 8-Bit |
| Max Clock Frequency | — | 8 MHz |
| Flash Memory Size | — | 64KB (32K x 16) |
| SRAM Size | — | 4KB |
| EEPROM Size | — | 2KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| MIPS Throughput | — | up to 8 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| General Purpose Registers | — | 32 x 8 |
| Nombre de broches | — | 64 |
| Terminal Form | — | No-lead (QCCN) |
| RoHS / Green Status | — | GREEN, RoHS-compliant (Q suffix) |