PIC18F4680-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC18F4680-I/ML is an 8-bit microcontroller from Microchip featuring 64 KB Flash, 3328 bytes RAM, an Enhanced CAN (ECAN) module, and a 10-bit ADC with up to 13 channels. It operates at up to 40 MHz and is housed in a compact QFN-44 package, suitable for industrial and automotive control designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F4680-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC18 CPU core running up to 40 MHz
- 64 KB self-programmable Flash and 3328 bytes SRAM
- Integrated ECAN module supporting 1 Mbit/s CAN bus
- 10-bit ADC with up to 13 channels
- Multiple serial interfaces: SPI, I2C, and two USARTs
- Extended instruction set mode for improved code efficiency
- Compact QFN-44 package for space-constrained designs
Applications
The PIC18F4680 is widely used in industrial automation, automotive body control, and building management systems where CAN bus connectivity and reliable analog measurement are required. Its combination of ECAN, ADC, and multiple serial ports makes it a strong choice for sensor-to-network gateways, motor controllers, and HVAC control panels.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 36 |
| Number of Serial I/Os | 2 |
| Number of Timers | 6 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.31SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 3328 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 44mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F4680-I/ML:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQCC44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQCC44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQCC44
Frequently Asked Questions
How fast can the PIC18F4680-I/ML run and what is its core architecture?
The PIC18F4680-I/ML is an 8-bit PIC18 microcontroller with a maximum clock frequency of 40 MHz, providing up to 10 MIPS of throughput. The PIC18 enhanced instruction set and pipelined architecture make it efficient for real-time control tasks with compact code.
Which CAN bus speeds does the ECAN module in PIC18F4680 support for industrial networking?
The integrated ECAN module supports CAN 2.0B at data rates up to 1 Mbit/s. It includes enhanced receive buffering with 3 dedicated receive buffers and programmable filters, reducing CPU overhead in multi-node industrial and automotive networks.
For a design requiring analog sensing, how many ADC channels does PIC18F4680-I/ML provide?
The PIC18F4680-I/ML includes a 10-bit successive approximation ADC with up to 13 input channels, allowing simultaneous multi-sensor monitoring in one chip. This is useful in temperature, pressure, and flow measurement systems operating from 2.0 V to 5.5 V.
What end-of-life risk should procurement teams consider when sourcing PIC18F4680-I/ML?
Microchip data indicates a YTEOL of 9 years, suggesting this part remains in active production for the foreseeable future. Buyers should confirm stock availability and factory lead times, which are typically around 6 weeks, when planning for high-volume builds or multi-year programs.
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