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| PartNumber | PIC18F66K22-I/PT | PIC18F66K22-I/MR | PIC18F66K22-I/MRRSL |
| Description | 8-bit Microcontrollers - MCU 64kB Flash, 4kB RAM, 1kB EE, nanoWatt XLP, GP | 8-bit Microcontrollers - MCU 64kB Flash, 4kB RAM, 1kB EE, nanoWatt XLP, GP | Microcontrollers - MCU 8-bit Microcontrollers - MCU 8Bit MCU 64KB Flash 4KB RAM, 1KB EE |
| Manufacturer | Microchip | Microchip | Microchip Technology |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TQFP-64 | QFN-64 | - |
| Series | PIC18F6xK22 | PIC18F6xK22 | PICR XLP 18K |
| Core | PIC | PIC | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 64 MHz | 64 MHz | - |
| Program Memory Size | 64 kB | 64 kB | 64KB (32K x 16) |
| Data RAM Size | 2 kB | 2 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 53 I/O | 53 I/O | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tube | Tube Alternate Packaging |
| Height | 1 mm | 0.88 mm | - |
| Length | 10 mm | 9 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | FLASH |
| Width | 10 mm | 9 mm | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 1 kB | 1 kB | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | I2C/SPI/USART | I2C/SPI/USART | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 16 | 16 | - |
| Number of Timers/Counters | 11 Timer | 11 Timer | - |
| Processor Series | PIC18 | PIC18 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 160 | 40 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 1.8 V | 1.8 V | - |
| Tradename | PIC | PIC | - |
| Unit Weight | 0.012720 oz | 0.007277 oz | - |
| Package Case | - | - | 64-VFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 64-QFN Exposed Pad (9x9) |
| Number of I O | - | - | 53 |
| Speed | - | - | 64MHz |
| EEPROM Size | - | - | 1K x 8 |
| Core Processor | - | - | PIC |
| RAM Size | - | - | 4K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Connectivity | - | - | I2C, LIN, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 1.8 V ~ 5.5 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 16x12b |
| Oscillator Type | - | - | Internal |