AT90USB1287-AU vs AT90USB647-AUR Comparison
Detailed side-by-side comparison of AT90USB1287-AU by Microchip Technology and AT90USB647-AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | AT90USB1287-AU | AT90USB647-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Unknown | Active |
| Processor Core | 8-bit AVR enhanced RISC | — |
| Maximum Clock Frequency | 16 MHz | — |
| Maximum Throughput | Approaching 16 MIPS at 16 MHz | — |
| Program Memory Size | 128 KB flash (128K x 8) | 64 KB (64K x 8) flash |
| Program Memory Features | In-System Programmable flash with read-while-write capability | — |
| EEPROM Size | 4 KB (4K x 8) | — |
| SRAM Size | 8 KB (8K x 8) | 4 KB (4K x 8) |
| General-Purpose I/O Lines | 48 | 48 |
| General-Purpose Working Registers | 32 | 32 |
| USB Version | USB 2.0 | USB 2.0 |
| USB Operating Modes | Low-speed and full-speed On-The-Go | Low-speed and full-speed On-The-Go |
| ADC Resolution | 10 bits | — |
| ADC Channel Count | 8 channels | — |
| Timer/Counter Count | 4 | — |
| Serial Interfaces | USART and byte-oriented 2-wire serial interface | USART and byte-oriented 2-wire serial interface |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Supported Logic Levels | 3.3 V and 5 V | — |
| Real-Time Counter | 1 | — |
| Debug Interface | JTAG on-chip debug | — |
| Package | 64-TQFP, 14 x 14 mm | 64-TQFP (14x14 mm) |
| Mounting Type | Surface mount | — |
| Temperature Grade | Industrial temperature grade | — |
| Product Type | — | 8-bit AVR RISC microcontroller |
| Maximum Clock Speed | — | 16 MHz |
| Flash Read-While-Write | — | Supported |
| EEPROM Memory Size | — | 2 KB |
| Timer/Counter Blocks | — | 4 |
| Oscillator Type | — | Internal |
| Packaging | — | Tape & Reel (TR) |
| Programming and Debugging | — | In-Circuit Serial Programming (ICSP) and MPLAB Snap support |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |