ATMEGA32A-MUR vs ATMEGA644-20MUR Comparison
Detailed side-by-side comparison of ATMEGA32A-MUR by Microchip Technology and ATMEGA644-20MUR 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
ATMEGA644-20MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA32A-MUR | ATMEGA644-20MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $5.05 |
| Product Type | 8-bit AVR microcontroller | — |
| Architecture | AVR enhanced RISC | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 32 KB | — |
| SRAM | 2 KB | 4KB |
| EEPROM | 1 KB | 2KB |
| Supply Voltage | 4.5 V to 5.5 V | — |
| I/O Ports | 32 | — |
| ADC | 8-channel, 10-bit | 10-bit |
| Communication Interfaces | I2C, SPI, UART/USART | USART, SPI, TWI (I2C) |
| Debug Interface | JTAG | — |
| Package | 44-VQFN, 7x7 mm | 44-VQFN (7x7 mm) Exposed Pad |
| Package Type | VQFN with exposed pad | — |
| Mounting Type | Surface mount | Surface Mount |
| Core | AVR 8-bit core | — |
| Program Memory Type | Self-programmable Flash | — |
| Instruction Set | 131 AVR instructions | — |
| ADC Resolution | 10 bit | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | Industrial (-40C to +85C) |
| Absolute Maximum Ratings | [DATA_NEEDED: absolute maximum ratings] | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 20 MHz |
| Program Memory (Flash) | — | 64KB (32K x 16) |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| Data Bus Width | — | 8 Bit |
| General Purpose I/O | — | 32 I/O lines |
| Timers/Counters | — | 3 (with compare modes and PWM) |
| Programming Interface | — | ICSP (In-Circuit Serial Programming), debugWIRE |
| Lifecycle Stage | — | ACTIVE |