PIC18LF45J11-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
PIC18LF45J11-I/PT is an 8-bit low-power PIC18 XLP microcontroller from Microchip with 32 KB Flash memory and up to 48 MHz clock in a TQFP-44 package. It supports USB, SPI, I2C, and UART peripherals with DMA and operates down to 2 V supply. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF45J11-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1968(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC18LF45J11-I/PT?
- 8-bit PIC18 XLP core with up to 48 MHz clock for high-throughput control
- 32 KB Flash program memory with hardware DMA for efficient data transfers
- USB 2.0 full-speed peripheral enabling direct PC connectivity
- Operates from 2 V minimum supply at 8 MHz for ultra-low-power battery applications
- 44-pin TQFP package with boundary scan JTAG for in-circuit debug
- On-chip ADC with multiple input channels for analog sensor acquisition
What is PIC18LF45J11-I/PT used for?
The PIC18LF45J11-I/PT is suited for USB-connected embedded systems such as HID devices, data loggers, and portable medical instruments requiring both processing capability and direct host connectivity. Its XLP low-power technology and 2 V minimum supply make it attractive for battery-operated sensor nodes and wearable electronics. Engineers also deploy it in industrial automation panels where JTAG boundary scan simplifies board-level testing.
What are the specifications of PIC18LF45J11-I/PT?
| Pbfree Code | Yes |
| YTEOL | 7.4 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2 V MINIMUM SUPPLY AT 8 MHZ |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | PIC |
| Clock Frequency-Max | 48MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 38 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.47SQ,32 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 3776 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 15.2mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| 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 |
Where can I find the PIC18LF45J11-I/PT datasheet?
PIC18LF45J11-I/PT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18LF45J11-I/PT?
Compatible alternatives and drop-in replacements for PIC18LF45J11-I/PT:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC CPU, 48MHz, CMOS, PQFP44
Frequently Asked Questions
What is the minimum supply voltage for PIC18LF45J11-I/PT and how does it affect clock performance?
The PIC18LF45J11-I/PT operates at a minimum 2 V supply while running at up to 8 MHz in that low-voltage condition. At the nominal 3.3 V supply, it can run at the full 48 MHz clock speed. This voltage scaling enables designers to maximize battery life in 2-cell lithium or coin-cell powered applications while preserving full-speed performance when power is available.
How does the DMA capability of PIC18LF45J11-I/PT benefit a data logger design?
The on-chip DMA controller allows the PIC18LF45J11-I/PT to transfer data between peripherals and 32 KB Flash or RAM without CPU intervention, freeing the 8-bit core for application logic. In a data logger, this means ADC samples can be streamed directly to EEPROM or UART at high rates without software loops, reducing CPU load by up to 70% compared to polled transfers. The USB interface then allows fast offload to a host PC.
For a compact medical sensor PCB, how much board area does the TQFP-44 package of PIC18LF45J11-I/PT occupy?
The TQFP-44 package has a 10x10 mm body with 0.8 mm pin pitch, occupying approximately 100 mm² of board area. This is roughly half the footprint of a DIP-40 equivalent, allowing medical sensor PCBs to remain compact. The 44 pins provide 35 GPIO lines, enough for sensor front-ends, display interfaces, and USB connectivity in a single-package solution.
When comparing PIC18LF45J11-I/PT to PIC18F45J11 for a portable design, which parameter drives the choice?
The key differentiator is the XLP low-power process on the PIC18LF45J11: it achieves sleep current below 20 nA at 2 V, versus the standard PIC18F45J11 which targets roughly 100 nA in deep sleep. For a portable device running on a 200 mAh coin cell, this 5x sleep-current reduction extends standby runtime from weeks to months. Both parts share the same 32 KB Flash and 44-pin TQFP pinout, making migration straightforward.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.1840 | $5.18 |
| 21+ | $3.4560 | $72.58 |
| 73+ | $3.1968 | $233.37 |
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