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