ATMEGA1280-16AU vs ATMEGA640-16AU Comparison
Detailed side-by-side comparison of ATMEGA1280-16AU by Microchip Technology and ATMEGA640-16AU 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
ATMEGA1280-16AU - 16MHz 128KB AVR MCU | Microchip Technology
ATMEGA1280-16AU ✓ ActiveMicrochip Technology
ATMEGA640-16AU - 8-bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA640-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1280-16AU | ATMEGA640-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit AVR RISC-based microcontroller | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 128 KB | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| General-Purpose I/O Lines | 86 lines | — |
| General-Purpose Working Registers | 32 registers | — |
| ADC | 16-channel, 10-bit | 16 channels x 10-bit |
| USART | 4 channels | 4 |
| Timer/Counters | 6 flexible timer/counters | — |
| Two-Wire Serial Interface | Byte-oriented TWI/I2C | — |
| Debug and Programming Interface | JTAG | — |
| Data Bus Width | 8-bit | — |
| Operating Voltage | 2.7 V to 5.5 V | — |
| Operating Temperature | -40°C to +85°C | -40C to +85C (industrial) |
| Package | 100-pin TQFP, 14 x 14 mm | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface mount | Surface Mount |
| Lifecycle Status | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH compliance status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Core Architecture | — | AVR Enhanced RISC (8-bit) |
| Series | — | ATmega640 |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Maximum Clock Frequency | — | 16 MHz |
| Throughput | — | ~16 MIPS |
| Supply Voltage | — | 2.7 V to 5.5 V |
| I/O Pins | — | 86 |
| PWM Channels | — | 16 |
| Timers/Counters | — | 6 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| In-System Programming | — | Yes (ISP) |
| On-Chip Debug | — | JTAG |