ATMEGA64L-8MQ vs ATMEGA644P-20MQ Comparison
Detailed side-by-side comparison of ATMEGA64L-8MQ by Microchip Technology and ATMEGA644P-20MQ 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
ATMEGA644P-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ NrndSpecification Comparison
| Parameter | ATMEGA64L-8MQ | ATMEGA644P-20MQ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Nrnd |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.95 | $2.48 |
| Core | AVR 8-bit RISC | β |
| Core Size | 8-Bit | β |
| Max Clock Frequency | 8 MHz | β |
| Flash Memory Size | 64KB (32K x 16) | β |
| SRAM Size | 4KB | β |
| EEPROM Size | 2KB | β |
| Supply Voltage Range | 2.7 V to 5.5 V | β |
| MIPS Throughput | up to 8 MIPS (approx. 1 MIPS/MHz) | β |
| Instruction Set | 130 powerful instructions, most single-cycle | β |
| General Purpose Registers | 32 x 8 | β |
| Package | 64-VFQFN (9x9 mm), exposed pad | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Extended industrial | Industrial, extended temperature |
| Number of Pins | 64 | β |
| Terminal Form | No-lead (QCCN) | β |
| RoHS / Green Status | GREEN, RoHS-compliant (Q suffix) | β |
| Packaging | Tape & Reel (R suffix) | Tape & Reel (TR) |
| Lifecycle | Mature product; not recommended for new designs; replaced by ATmega64A | Mature; NRND - replaced by ATmega644PA |
| Core Architecture | β | AVR 8-bit RISC |
| CPU Speed | β | 20 MHz |
| Throughput | β | Up to 20 MIPS (1 MIPS per MHz) |
| Flash Program Memory | β | 64 KB (32K x 16) |
| SRAM | β | 4 KB (4,096 bytes) |
| EEPROM | β | 2 KB (2,048 bytes) |
| Operating Voltage | β | 5 V |
| Number of I/O | β | 32 |
| Digital Communication Peripherals | β | 2 UART |
| Oscillator Type | β | Internal |
| Instructions | β | 131 powerful instructions, most single-cycle |
| Technology Feature | β | picoPower low-power, green/RoHS |
| Programming | β | ICSP via 2 I/O pins + reset, MPLAB SNAP compatible |