AT90USB1286-MU vs AT90USB646-MU Comparison
Detailed side-by-side comparison of AT90USB1286-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.
Specification Comparison
| Parameter | AT90USB1286-MU | AT90USB646-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Unknown |
| Microcontroller Type | 8-bit AVR RISC-based microcontroller | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 128 KB | — |
| Flash Organization | 128K x 8 bits | — |
| EEPROM Memory | 4 KB | — |
| SRAM | 8 KB | 4 KB |
| General-Purpose I/O Lines | 48 | — |
| General-Purpose Working Registers | 32 | 32 registers |
| Operating Supply Voltage | 2.7 V to 5.5 V | — |
| ADC Resolution | 10 bits | — |
| ADC Channels | 8 channels | — |
| Maximum CPU Throughput | Up to 16 MIPS | — |
| USB Standard | USB 2.0 | — |
| USB Full-Speed Data Rate | 12 Mbit/s | — |
| USB Low-Speed Data Rate | 1.5 Mbit/s | — |
| Timer/Counters | 4 | — |
| Timer PWM Support | Yes | — |
| Serial Interfaces | USART and byte-oriented 2-wire serial interface | USART and byte-oriented two-wire serial interface |
| Programming Interface | ISP and JTAG | — |
| Package | 64-QFN (9 x 9 mm) | 64-QFN, 9 x 9 mm |
| Package Type | Surface-mount QFN with exposed pad | — |
| Temperature Grade | Industrial temperature | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Product Type | — | 8-bit AVR RISC-based USB microcontroller |
| Maximum Clock Frequency | — | 16 MHz |
| 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 |
| Real-Time Counter | — | 1 real-time counter |
| PWM Support | — | Available through timer/counter compare modes |
| Mounting Type | — | Surface mount |
| Operating Voltage | — | [DATA_NEEDED: operating voltage range] |