PIC18F45K20-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC18F45K20-I/ML is an 8-bit PIC18 microcontroller with 32 KB Flash, 1536 bytes RAM, and a 64 MHz maximum clock in a compact QFN-44 package. It integrates a 13-channel 10-bit ADC and supports operation down to 1.8 V at 16 MHz, making it ideal for cost-sensitive embedded and low-power applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F45K20-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3100(MOQ 1)
- 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 running up to 64 MHz with 32 KB Flash and 1536 bytes RAM for versatile embedded firmware
- 13-channel 10-bit ADC enables multi-channel analog sensor acquisition for industrial and consumer measurement applications
- Ultra-low voltage operation from 1.8 V at 16 MHz supports battery-powered and energy-harvesting designs
- Compact QFN-44 package reduces PCB footprint while providing 44 pins for rich peripheral and I/O connectivity
Applications
The PIC18F45K20-I/ML is suited for low-cost embedded control applications such as home automation panels, consumer appliances, and industrial sensor nodes that require reliable 8-bit processing with multi-channel analog input. Its 13-channel 10-bit ADC and 64 MHz clock allow simultaneous sensing of multiple environmental parameters alongside time-critical control tasks. The device's ability to operate from 1.8 V makes it a practical choice for coin-cell and energy-harvesting powered remote sensing modules.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 1.8V MIN SUPPLY FOR 16 MHZ AND OPERATES AT 2V FOR 20 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| 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 | 1 |
| 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) | 1536 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 64MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| 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 | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What clock speed and supply voltage range does the PIC18F45K20-I/ML support?
The PIC18F45K20-I/ML operates at up to 64 MHz with a standard supply, and also supports reduced-speed operation at 16 MHz from as low as 1.8 V and at 20 MHz from 2 V, enabling flexible power-performance trade-offs in battery-powered designs.
How many ADC channels does the PIC18F45K20-I/ML provide and what is the resolution?
The PIC18F45K20-I/ML includes 13 ADC input channels with 10-bit resolution, making it capable of simultaneously monitoring temperature, pressure, light, and other analog sensors in multi-channel embedded measurement systems.
Which package does the PIC18F45K20-I/ML use and what are its key dimensions?
The PIC18F45K20-I/ML is housed in a 44-pin QFN package, which features a very compact footprint of approximately 8 mm × 8 mm with an exposed thermal pad, ideal for thermally efficient and space-constrained PCB designs.
Is the PIC18F45K20-I/ML a suitable upgrade path from smaller PIC18 devices in the same family?
Yes, the PIC18F45K20-I/ML offers 32 KB Flash and 13 analog input channels, significantly expanding on smaller PIC18 variants that may only provide 8 KB Flash and fewer ADC channels, while maintaining pin and code compatibility across the PIC18F45K20 family.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.6294 | $2.63 |
| 9+ | $2.3100 | $20.79 |
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