ATMEGA1280-16CU vs ATMEGA640-16CUR Comparison
Detailed side-by-side comparison of ATMEGA1280-16CU by Microchip Technology and ATMEGA640-16CUR 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
ATMEGA1280-16CU - 8-bit AVR MCU 128KB Flash 16MHz CBGA-100 | Microchip
ATMEGA1280-16CU ✓ ActiveMicrochip Technology
ATMEGA640-16CUR - 8-Bit AVR MCU 64KB 16MHz 100-CBGA | Microchip
ATMEGA640-16CUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1280-16CU | ATMEGA640-16CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.90 | $6.72 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 128KB (64K x 16) In-System Programmable | 64 KB (32K x 16) ISP Flash |
| SRAM | 8KB | 8 KB (8K x 8) |
| EEPROM | 4KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Data Bus Width | 8 bit | — |
| General Purpose I/O Lines | 86 | — |
| ADC | 8/16-channel, 10-bit | 8/16-channel, 10-bit |
| USART | 4 (ATmega1280 configuration) | 4 programmable serial USART |
| Timers | [DATA_NEEDED: timer count and resolution detail] | — |
| Serial Interfaces | 4x USART, SPI (Master/Slave), 2-wire serial (TWI) | — |
| Instructions | 133 powerful instructions, most single-cycle | — |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Package | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount (BGA reflow) | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Lifecycle Stage | ACTIVE | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | — |
| General Purpose I/O | — | 86 lines |
| Working Registers | — | 32 general purpose registers |
| SPI | — | Master/Slave SPI serial interface |
| TWI | — | Byte-oriented 2-wire serial interface |
| Analog Comparator | — | On-chip |
| Programming / Debug | — | ISP, ICSP (2 I/O pins + reset) |
| Product Series | — | AVR ATmega |