AT90USB1287-MU vs AT90USB646-MU Comparison
Detailed side-by-side comparison of AT90USB1287-MU by Microchip Technology and AT90USB646-MU 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
AT90USB1287-MU - 128KB USB AVR MCU | Microchip Technology
AT90USB1287-MU ✓ ActiveSpecification Comparison
| Parameter | AT90USB1287-MU | AT90USB646-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Unknown |
| Product Type | 8-bit AVR RISC-based USB microcontroller | 8-bit AVR RISC-based USB microcontroller |
| Maximum Clock Frequency | 16MHz | 16 MHz |
| ISP Flash Memory | 128KB | — |
| Flash Read-While-Write | Supported | — |
| EEPROM Memory | 4KB | — |
| SRAM | 8KB | 4 KB |
| General-Purpose I/O Lines | 48 | — |
| General-Purpose Working Registers | 32 | 32 registers |
| Timer/Counters | 4 | — |
| Timer Features | Compare modes and PWM | — |
| UART Interface | USART | — |
| Serial Interface | Byte-oriented 2-wire serial interface | — |
| USB Standard | USB 2.0 low-speed and full-speed | — |
| Package | 64-QFN, 9mm x 9mm | 64-QFN, 9 x 9 mm |
| Mounting Type | Surface mount | Surface mount |
| Programming Interface | ISP | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Program Memory | — | 64 KB flash |
| Program Memory Organization | — | 64K x 8 bits |
| EEPROM | — | 2 KB |
| General-Purpose I/O | — | 48 lines |
| Timer/Counter Resources | — | 4 flexible timer/counters |
| USB Support | — | USB 2.0 low-speed and full-speed device |
| Serial Interfaces | — | USART and byte-oriented two-wire serial interface |
| Real-Time Counter | — | 1 real-time counter |
| PWM Support | — | Available through timer/counter compare modes |
| Operating Voltage | — | [DATA_NEEDED: operating voltage range] |