ATMEGA644A-MUR vs ATMEGA644P-A15MZ Comparison
Detailed side-by-side comparison of ATMEGA644A-MUR by Microchip Technology and ATMEGA644P-A15MZ 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
ATMEGA644A-MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644A-MUR ✓ ActiveMicrochip Technology
ATMEGA644P-A15MZ - 64KB AVR MCU, 16MHz, VQFN-44 | Microchip
ATMEGA644P-A15MZ NrndSpecification Comparison
| Parameter | ATMEGA644A-MUR | ATMEGA644P-A15MZ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.31 | $2.00 |
| Core Architecture | AVR enhanced RISC, 8-bit | — |
| Flash Memory | 64 KB (32K x 16) ISP Flash with read-while-write | 64 KB (32K x 16) |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | — |
| CPU Throughput | Up to 20 MIPS at 20 MHz (1 MIPS per MHz) | — |
| General Purpose I/O | 32 I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| USART Channels | 2 | — |
| Timers/Counters | 3 flexible timers with compare modes and PWM | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | — |
| Real-Time Counter | Yes | — |
| Package | 44-VQFN (7x7 mm) exposed pad | 44-VQFN (7x7 mm) |
| Operating Temperature | Industrial, -40C to +85C | — |
| Supply Voltage Options | 2.5 V / 3.3 V / 5 V | — |
| Supply Voltage Range | [DATA_NEEDED: exact VCC min/max per datasheet table] | — |
| On-Chip Debug | JTAG | — |
| RoHS Status | Compliant | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | Tray |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Max Clock Speed | — | 16 MHz |
| Supply Voltage | — | 4.5 V to 5.5 V |
| Number of GPIO | — | 32 |
| USART | — | 2 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 |
| Connectivity | — | I2C (TWI), SPI, UART/USART |
| Timers | — | 3 timers/counters with compare modes and PWM |
| Throughput | — | 16 MIPS at 16 MHz |
| Qualification | — | AEC-Q100 (automotive) |
| Operating Temperature Range | — | [DATA_NEEDED: Operating Temperature Range] |