| Mfr. Part # | ATMEGA128A-MU | AT90USB646-MU |
| Manufacturer | Microchip Technology | Microchip Technology |
| Description | MCU 8-bit AVR RISC 128KB Flash 3.3V/5V 64-Pin VQFN EP Tray | MCU, 8BIT, 64K FLASH, USB, 64QFN |
| Datasheet | ||
| RoHS | ||
| Specifications | ||
Factory Lead Time | 7 Weeks | 10 Weeks |
Contact Plating | Tin | Tin |
Mount | Surface Mount | Surface Mount |
Mounting Type | Surface Mount | Surface Mount |
Package / Case | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad |
Number of Pins | 64 | 64 |
Data Converters | A/D 8x10b | A/D 8x10b |
Number of I/Os | 53 | 48 |
Watchdog Timers | Yes | Yes |
Operating Temperature | -40°C~85°C TA | -40°C~85°C TA |
Packaging | Tray | Tray |
Series | AVR® ATmega | AVR® 90USB |
Published | 2005 | 2006 |
Pbfree Code | yes | yes |
Part Status | Active | Active |
Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
Number of Terminations | 64 | 64 |
Termination | SMD/SMT | - |
Voltage - Supply | 5V | 5V |
Terminal Position | QUAD | QUAD |
Terminal Pitch | 0.5mm | 0.5mm |
Frequency | 16MHz | 16MHz |
Base Part Number | ATMEGA128A | AT90USB646 |
Power Supplies | 3/5V | - |
Interface | EBI/EMI, I2C, SPI, UART, USART | 2-Wire, EBI/EMI, I2C, SPI, Serial, UART, USART, USB |
Memory Size | 128kB | 64kB |
Oscillator Type | Internal | Internal |
RAM Size | 4K x 8 | 4K x 8 |
uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
Core Processor | AVR | AVR |
Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
Program Memory Type | FLASH | FLASH |
Core Size | 8-Bit | 8-Bit |
Program Memory Size | 128KB 64K x 16 | 64KB 64K x 8 |
Connectivity | EBI/EMI, I2C, SPI, UART/USART | EBI/EMI, I2C, SPI, UART/USART, USB, USB OTG |
Bit Size | 8 | 8 |
Has ADC | YES | YES |
DMA Channels | NO | NO |
Data Bus Width | 8b | 8b |
PWM Channels | YES | - |
Number of Timers/Counters | 4 | 4 |
Density | 1 Mb | - |
EEPROM Size | 4K x 8 | 2K x 8 |
Number of UART Channels | 2 | - |
Number of ADC Channels | 8 | 8 |
Voltage - Supply (Max) | 5.5V | - |
Number of I2C Channels | 1 | 1 |
Height | 950μm | 1mm |
Length | 9.1mm | 9mm |
Width | 9.1mm | 9mm |
REACH SVHC | No SVHC | No SVHC |
Radiation Hardening | No | No |
RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
Lead Free | Lead Free | Lead Free |
ROM(word) | - | 65536 |
Speed | - | 20 MHz |
Address Bus Width | - | 8b |
Number of PWM Channels | - | 10 |
| Pricing(USD) | ||
| Grads Price | Quantity Unit Price 1+ $11.04873 10+ $10.42333 100+ $9.83333 500+ $9.27673 1000+ $8.75163 | Quantity Unit Price 1+ $16.4725 10+ $15.54009 100+ $14.66047 500+ $13.83063 1000+ $13.04776 |
| Availability | 10000 | 24 |
| Price | $11.04873 | $16.4725 |
| Quantity |
In Stock : 10000