PIC18F448-I/L Microchip Integrated Circuit (Plastic Leaded Chip Carrier) In Stock
Microchip PIC18F448-I/L is a high-performance 8-bit PIC18 microcontroller running at up to 40 MHz, with integrated ADC and 2 V minimum supply operation, housed in a 44-pin PLCC package. It delivers 10 MIPS throughput for demanding embedded control tasks. RoHS-compliant and available worldwide.
- Manufacturer
- Microchip
- Package
- Plastic Leaded Chip Carrier
- Pin Count
- 44
- Lifecycle
- OBSOLETE
- Datasheet
- PIC18F448-I/L Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $21.0700(MOQ 81)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- PIC18 8-bit CPU running at up to 40 MHz, delivering 10 MIPS for real-time control and communication tasks
- Integrated ADC with 2 V minimum supply enabling low-voltage battery-powered embedded applications
- 44-pin PLCC package offering ample I/O connectivity for complex peripheral interfacing on compact PCBs
Applications
PIC18F448-I/L is targeted at industrial control, motor drive sequencing, and communications gateway applications that need 40 MHz 8-bit processing with a broad I/O set. Its ability to operate down to 2 V makes it viable for battery-backed systems and low-power embedded nodes where supply voltage can sag under load. The 44-pin PLCC package suits socketed prototyping boards and field-replaceable control modules in legacy-compatible industrial equipment.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V MINIMUM SUPPLY |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | S-PQCC-J44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 33 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LDCC44,.7SQ |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Speed | 40MHz |
| Supply Current-Max | 50mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | J BEND |
| Terminal Pitch | 1.27mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Plastic Leaded Chip Carrier |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F448-I/L:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQCC44
Frequently Asked Questions
What processing throughput does PIC18F448-I/L achieve at its maximum 40 MHz clock?
Operating at 40 MHz, PIC18F448-I/L achieves 10 MIPS throughput on the PIC18 single-cycle instruction pipeline. This is double the performance of a 20 MHz PIC16 device, enabling real-time PID control loops with 100 µs sample intervals and full UART/SPI communication handling in parallel.
How does PIC18F448-I/L's 2 V minimum supply benefit designs powered from aging or partially discharged batteries?
PIC18F448-I/L maintains full operation down to 2 V supply, allowing embedded systems to continue functioning as battery voltage drops from 3.3 V to near end-of-life without triggering a brownout reset. This extends usable battery capacity by 15-20% compared to 2.7 V minimum devices, which is significant in field instruments requiring maximum uptime.
For a motor-control retrofit project, why might an engineer choose PIC18F448-I/L in a PLCC-44 socket over a surface-mount alternative?
The 44-pin PLCC socket allows the PIC18F448-I/L to be removed and replaced without soldering, which is valuable in field-serviceable motor control boards and prototyping platforms. The socketed approach reduces rework time during firmware iteration and supports easy swap-out for higher-density PIC18 variants sharing the same 44-pin PLCC footprint.
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