PIC18LF65K40-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
The PIC18LF65K40-I/PT is an 8-bit PIC18 microcontroller with 64 MHz clock, operating down to 1.8 V at 16 MHz. Features integrated ADC, 64-pin TQFP package, and low-power design. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF65K40-I/PT 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
- 1.8 V minimum operation at 16 MHz reduces battery drain in low-voltage handheld and IoT sensor nodes
- 64 MHz maximum clock with PIC18 CPU core balances performance and code compatibility for legacy PIC18 designs
- Integrated ADC enables direct sensor signal acquisition without external conversion ICs, lowering BOM cost
- 64-pin TQFP-64 package provides ample I/O density for multi-peripheral embedded control applications
Applications
The PIC18LF65K40-I/PT targets battery-powered and low-power embedded systems where its 1.8 V minimum supply voltage and 64 MHz ceiling suit wearables, smart metering, and industrial sensor nodes. Its PIC18 architecture ensures software reuse across large existing codebases, making it ideal for upgrades from earlier PIC18 devices. The 64-pin TQFP package provides sufficient I/O for HVAC controllers, home automation hubs, and portable medical monitoring equipment.
Specifications
| Manufacturer Package Code | TQFP-64 |
| Factory Lead Time | 7Weeks |
| Date Of Intro | 2016-09-15 |
| YTEOL | 18 |
| Has ADC | YES |
| Additional Feature | OPERATES WITH 1.8V MIN @ 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 | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 4 |
| Number of I/O Lines | 60 |
| Number of Serial I/Os | 5 |
| Number of Timers | 9 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP64,.47SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 2048 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 11mA |
| 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 | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18LF65K40-I/PT:
suggested
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP64
Frequently Asked Questions
At what supply voltage and clock frequency does the PIC18LF65K40-I/PT achieve its lowest active power consumption?
The PIC18LF65K40-I/PT operates at a minimum supply of 1.8 V while running at up to 16 MHz in that voltage range, minimizing active current in battery-powered designs. For applications on a 3.3 V rail, the clock can be raised to 64 MHz to maximize throughput, trading off increased power consumption for faster execution of sensor-processing routines.
Which connectivity and peripheral features of the PIC18LF65K40-I/PT make it suitable for industrial sensor interface designs?
The PIC18LF65K40-I/PT includes an integrated ADC for direct analog sensor reading, multiple serial communication interfaces, and a 64-pin TQFP-64 footprint that provides 50 or more general-purpose I/O lines. Operating over a -40 °C to +85 °C industrial temperature range, it reliably interfaces with temperature, pressure, and flow sensors in factory automation and HVAC control boards.
How does the PIC18LF65K40-I/PT compare to other PIC18 devices when migrating an existing 8-bit firmware project?
The PIC18LF65K40-I/PT uses the same PIC18 instruction set architecture as earlier PIC18F and PIC18LF series parts, so existing C and assembly firmware typically recompiles with minimal changes using MPLAB X and the XC8 compiler. Its 64 MHz clock and extended 64-pin TQFP package provide headroom for new peripherals without requiring a full rewrite, making migration from 40-pin or 44-pin PIC18 variants straightforward.
What package options are available for the PIC18LF65K40 and what PCB footprint does the TQFP-64 require?
The PIC18LF65K40-I/PT comes in a TQFP-64 package with a 10 mm x 10 mm body and 0.5 mm lead pitch, fitting a compact SMD footprint suitable for two-layer PCBs in space-constrained designs. This package is a good choice when 64 I/O lines are needed while keeping the board area under 12 mm x 12 mm including courtyard clearance.
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