PIC18LF452-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC18LF452-I/P is an 8-bit microcontroller with 32 KB flash, 1536 bytes RAM, 40 MHz max clock, and 40-pin DIP package. Features 10-bit ADC, USART, SPI, and I2C. Available in stock worldwide.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF452-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.3800(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 PIC18LF452-I/P?
- 8-bit PIC18 CPU core running up to 40 MHz with low-voltage operation down to 2 V minimum supply
- 32 KB self-programmable Flash program memory with 256 bytes EEPROM data retention
- 10-bit ADC with 8 channels and multiple serial interfaces including USART, SPI, and I2C for versatile connectivity
What is PIC18LF452-I/P used for?
The PIC18LF452-I/P is ideal for embedded control applications requiring low-power operation, such as battery-powered sensors, industrial automation controllers, and consumer electronics. Its 2 V minimum supply voltage and 40-pin DIP package make it suitable for portable devices and educational prototyping boards. The integrated ADC and multiple communication interfaces support data acquisition systems and smart home devices.
What are the specifications of PIC18LF452-I/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-40 |
| Factory Lead Time | 6Weeks |
| YTEOL | 3 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V MINIMUM SUPPLY AT 4 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T40 |
| JESD-609 Code | e3 |
| Low Power Mode | NO |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 34 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1536 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 25mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2V |
| Supply Voltage-Nom | 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 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| 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 |
Where can I find the PIC18LF452-I/P datasheet?
PIC18LF452-I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18LF452-I/P?
Compatible alternatives and drop-in replacements for PIC18LF452-I/P:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQFP44
Frequently Asked Questions
What is the minimum supply voltage for the PIC18LF452-I/P and how does it affect clock speed?
The PIC18LF452-I/P operates from a minimum supply of 2 V, allowing battery-powered designs. At this low voltage, the device is limited to 4 MHz clock frequency, while the full 40 MHz speed requires a higher supply voltage of 4.5 V to 5.5 V. This makes it ideal for energy-sensitive applications needing 8-bit processing power.
Which serial communication protocols does the PIC18LF452-I/P support for interfacing with external sensors?
The PIC18LF452-I/P supports USART, SPI, and I2C serial communication interfaces, enabling connections to a wide range of sensors, displays, and peripherals. The USART supports both synchronous and asynchronous modes, while the I2C module allows multi-device bus communication at standard 100 kHz or fast 400 kHz speeds.
When would a designer choose the PIC18LF452-I/P over a PIC18F452 in a new embedded design?
A designer would choose the PIC18LF452-I/P over the PIC18F452 when the application requires operation below 4.5 V, such as 3.3 V systems or 2-cell battery supplies providing approximately 2 V to 3.6 V. The LF variant's extended low-voltage range makes it preferable for portable, solar-powered, or coin-cell applications where voltage regulation is unavailable.
How much program memory and RAM does the PIC18LF452-I/P provide for firmware development?
The PIC18LF452-I/P provides 32 KB of self-programmable Flash program memory and 1536 bytes of RAM, along with 256 bytes of EEPROM for non-volatile data storage. These 8-bit architecture resources are sufficient for moderately complex embedded firmware, including state machines, protocol stacks, and sensor data processing applications.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.8900 | $8.89 |
| 80+ | $8.6800 | $694.40 |
| 100+ | $8.1200 | $812.00 |
| 1000+ | $7.6400 | $7640.00 |
| 5000+ | $7.3800 | $36900.00 |
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