Products > Integrated Circuits (ICs) > Embedded Processors & Controllers > PIC18F46K22-I/PT

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8 Bit MCU, Flash, PIC18 Family PIC18F K2x Series Microcontrollers, 64 MHz, 64 KB, 3.8 KB, 44 Pins

  • Package/Case :
  • TQFP-44
  • Product Categories :
  • 8-bit Microcontrollers - MCU
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 18000


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PIC18F46K22-I/PT Product Details

High-Performance RISC CPU:
• C Compiler Optimized Architecture:
   - Optional extended instruction set designed to optimize re-entrant code
• Up to 1024 Bytes Data EEPROM
• Up to 64 Kbytes Linear Program Memory Addressing
• Up to 3896 Bytes Linear Data Memory Addressing
• Up to 16 MIPS Operation
• 16-bit Wide Instructions, 8-bit Wide Data Path
• Priority Levels for Interrupts
• 31-Level, Software Accessible Hardware Stack
• 8 x 8 Single-Cycle Hardware Multiplier

Flexible Oscillator Structure:
• Precision 16 MHz Internal Oscillator Block:
   - Factory calibrated to ± 1%
   - Selectable frequencies, 31 kHz to 16 MHz
   - 64 MHz performance available using PLL – no external components required
• Four Crystal modes up to 64 MHz
• Two External Clock modes up to 64 MHz
• 4X Phase Lock Loop (PLL)
• Secondary Oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
   - Allows for safe shutdown if peripheral clock stops
   - Two-Speed Oscillator Start-up
Analog Features:
• Analog-to-Digital Converter (ADC) module:
   - 10-bit resolution, up to 30 external channels
   - Auto-acquisition capability
   - Conversion available during Sleep
   - Fixed Voltage Reference (FVR) channel
   - Independent input multiplexing
• Analog Comparator module:
   - Two rail-to-rail analog comparators
   - Independent input multiplexing
• Digital-to-Analog Converter (DAC) module:
   - Fixed Voltage Reference (FVR) with 1.024V,
2.048V and 4.096V output levels
- 5-bit rail-to-rail resistive DAC with positive
and negative reference selection
• Charge Time Measurement Unit (CTMU) module:
   - Supports capacitive touch sensing for touch screens and capacitive switches
eXtreme Low-Power Features
• Sleep mode: 20 nA, typical
• Watchdog Timer: 300 nA, typical
• Timer1 Oscillator: 800 nA @ 32 kHz
• Peripheral Module Disable
Special Microcontroller Features:
• 2.3V to 5.5V Operation – PIC18FXXK22 devices
• Self-Programmable under Software Control
• High/Low-Voltage Detection (HLVD) module:
   - Programmable 16-Level
   - Interrupt on High/Low-Voltage Detection
• Programmable Brown-out Reset (BOR):
   - With software enable option
   - Configurable shutdown in Sleep
• Extended Watchdog Timer (WDT):
   - Programmable period from 4 ms to 131s
• In-Circuit Serial Programming™ (ICSP™):
   - Single-Supply 3V
• In-Circuit Debug (ICD)
Peripheral Highlights:
• Up to 35 I/O Pins plus 1 Input-Only Pin:
   - High-Current Sink/Source 25 mA/25 mA
   - Three programmable external interrupts
   - Four programmable interrupt-on-change
   - Nine programmable weak pull-ups
   - Programmable slew rate
• SR Latch:
   - Multiple Set/Reset input options
• Two Capture/Compare/PWM (CCP) modules
• Three Enhanced CCP (ECCP) modules:
   - One, two or four PWM outputs
   - Selectable polarity
   - Programmable dead time
   - Auto-Shutdown and Auto-Restart
   - PWM steering
• Two Master Synchronous Serial Port (MSSP) modules:
   -    3-wire SPI (supports all 4 modes)
   - I2C Master and Slave modes with address mask



  • High Performance RISC CPU
  • Extreme Low-power Management with nanoWatt XLP™
  • 100nA, Typical Sleep Mode
  • 500nA, Typical Watchdog Timer
  • 500nA at Typical 32kHz Timer1 Oscillator
  • Flexible Oscillator Structure
  • Precision 16MHz Internal Oscillator Block
  • Four Crystal Modes up to 64MHz
  • Two External Clock Modes up to 64MHz
  • 4X Phase Lock Loop (PLL)
  • Secondary Oscillator Using Timer1 at 32kHz
  • Fail-safe Clock Monitor, Allows for Safe Shutdown If Peripheral Clock Stops
  • Two-speed Oscillator Start-up
  • Full 5.5V Operation
  • Self-reprogrammable Under Software Control
  • Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
  • Programmable Brown-out Reset (BOR)
  • Extended Watchdog Timer (WDT) with On-chip Oscillator and Software Enable
  • Programmable Code Protection
  • In-circuit Serial Programming™ (ICSP™) via Two Pins

PIC18F46K22-I/PT Products

PIC18F46K22-I/PT Pinout
(Picture: Pinout)

PIC18F46K22-I/PT Block Diagram
(Picture: Diagram)

Technical Parameters

  • Core
  • PIC
  • Data Bus Width
  • 8 bit
  • Maximum Clock Frequency
  • 64 MHz
  • Program Memory Size
  • 64 KB
  • Data RAM Size
  • 3896 B
  • On Chip ADC
  • Yes
  • Operating Supply Voltage
  • 2.3 V to 5.5 V
  • Maximum Operating Temperature
  • + 85 C
  • Package / Case
  • TQFP-44
  • Mounting Style
  • A/D Bit Size
  • 10 bit
  • A/D Channels Available
  • 19
  • Interface Type
  • Minimum Operating Temperature
  • - 40 C
  • Number of Programmable I/Os
  • 25
  • Number of Timers
  • 7
  • Packaging
  • Tray
  • Processor Series
  • PIC18
  • Program Memory Type
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 1.8 V

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Estimated Delivery Time: May 26 - May 31 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that PIC18F46K22-I/PT is the original manufacturer or agent of MICROCHIP?
We have a professional business development department to strictly test and verify the qualifications of MICROCHIP original manufacturers and agents. All MICROCHIP suppliers must pass the qualification review before they can publish their PIC18F46K22-I/PT devices; we pay more attention to the channels and quality of PIC18F46K22-I/PT products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of PIC18F46K22-I/PT chips? Including MICROCHIP original factory information, 8-bit Microcontrollers - MCU application, PIC18F46K22-I/PT pictures?
You can use Jotrin's intelligent search engine, or filter by 8-bit Microcontrollers - MCU category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's PIC18F46K22-I/PT price and stock displayed on the platform accurate?
The MICROCHIP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for PIC18F46K22-I/PT, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of PIC18F46K22-I/PT?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PIC18F46K22IPT we delivered, we will accept the replacement or return of the PIC18F46K22-I/PT only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of PIC18F46K22-I/PT.
(3)The PIC18F46K22-I/PT is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as PIC18F46K22-I/PT datasheet pdf, PIC18F46K22 pin diagram?
Need any After-Sales service, please feel free contact us:

Microchip Technology, Inc

Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...
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