PIC18F45K40-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC18F45K40-I/P is an 8-bit PIC18 microcontroller from Microchip operating at up to 64 MHz with a rich peripheral set including ADC, CWG, and multiple serial interfaces. It comes in a 40-pin DIP package, supports down to 2.3 V operation, and targets industrial, consumer, and IoT control applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F45K40-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0600(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 core running at up to 64 MHz for fast real-time control
- Operates down to 2.3 V at 16 MHz for low-voltage designs
- 10-bit ADC with multiple channels for analog sensing
- Integrated CWG (Complementary Waveform Generator) for motor and power control
- Multiple serial modules: SPI, I2C, EUSART, and I2S
- 40-pin PDIP package ideal for breadboard prototyping and DIP socket mounting
- YTEOL of 19 years indicating long-term active production
Applications
The PIC18F45K40 is used in industrial automation panels, IoT sensor nodes, and appliance control systems where an 8-bit MCU with extensive analog and communication peripherals is required. Its wide voltage range from 2.3 V to 5.5 V and high clock speed make it suitable for battery-powered data loggers and motor-drive applications.
Specifications
| Manufacturer Package Code | PDIP-40 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 2016-09-15 |
| YTEOL | 19 |
| Has ADC | YES |
| Additional Feature | IT ALSO OPERATES AT 2.5V MIN AT 32 MHZ AND 2.3V MIN AT 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T40 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 36 |
| Number of Timers | 9 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 2048 |
| RAM (words) | 16384 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 64MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC18F45K40-I/P Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F45K40-I/P:
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
64KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT, CRC/Scan,
32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA,
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
Frequently Asked Questions
What is the maximum clock speed of PIC18F45K40-I/P and at what voltage does it operate?
The PIC18F45K40-I/P can run at up to 64 MHz from a 4.5 V to 5.5 V supply, delivering up to 16 MIPS throughput. It also operates at 32 MHz from 2.5 V minimum and at 16 MHz from as low as 2.3 V, giving designers flexibility across battery-powered and line-powered applications.
Which analog and PWM features make PIC18F45K40-I/P suitable for motor control designs?
The PIC18F45K40-I/P integrates a 10-bit ADC for current and position sensing plus a Complementary Waveform Generator (CWG) for creating non-overlapping PWM drive signals. These built-in features reduce external gate driver complexity and simplify half-bridge or full-bridge motor control firmware for small DC or stepper motors.
Why would a product team choose the 40-pin DIP package of PIC18F45K40-I/P over a surface-mount variant?
The PDIP-40 package allows easy insertion into 40-pin DIP sockets on prototyping boards and legacy PCBs, speeding up development cycles without requiring reflow equipment. It also simplifies field replacement in serviceable industrial equipment where technicians may swap the MCU without soldering tools.
How long will PIC18F45K40-I/P remain available, and what does its lifecycle status mean for long-run production?
Microchip assigns PIC18F45K40-I/P a YTEOL of 19 years and introduced it in September 2016, confirming decades of active production remaining. This makes it a low-risk choice for long-lifecycle industrial or medical equipment programs that cannot tolerate frequent MCU redesigns or obsolescence-driven board spins.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.6900 | $2.69 |
| 20+ | $2.5700 | $51.40 |
| 30+ | $2.4900 | $74.70 |
| 50+ | $2.4700 | $123.50 |
| 100+ | $2.2400 | $224.00 |
| 1000+ | $2.0600 | $2060.00 |
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