PIC18F452-E/ML Microchip Integrated Circuit (Plastic Leaded Chip Carrier) In Stock
PIC18F452-E/ML is a Microchip 8-bit PIC18 microcontroller with 32KB Flash, 10-bit ADC, and up to 40 MHz clock speed in a 44-pin QFN package. It operates from a minimum supply voltage of 2V, supporting battery-powered designs with wide voltage tolerance. Suited for embedded control, data acquisition, and communication interface applications requiring a proven 8-bit MCU platform.
- Manufacturer
- Microchip
- Package
- Plastic Leaded Chip Carrier
- Pin Count
- 44
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC18F452-E/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.4300(MOQ 45)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC18F452-E/ML?
- 32KB Flash program memory enabling complex firmware, communication stacks, and look-up tables at 40 MHz
- 10-bit ADC for precise analog signal measurement in sensor and data acquisition designs
- Minimum 2V supply voltage operation supporting single-cell Li-ion and dual-AA battery-powered applications
- 44-pin QFN package providing up to 34 I/O pins in a compact surface-mount footprint
- PIC18 high-performance 8-bit core with hardware multiply supporting efficient real-time control algorithms
What is PIC18F452-E/ML used for?
PIC18F452-E/ML is suited for embedded control applications such as industrial process controllers, HVAC systems, and smart metering devices that require a reliable 8-bit MCU with ample Flash for complex firmware. Its 10-bit ADC and wide 2V to 5.5V operating range make it effective for battery-powered data loggers, portable instruments, and remote sensor nodes. The 44-pin QFN package allows designers to access multiple communication peripherals including USART, SPI, and I2C on a single chip for multi-protocol industrial designs.
What are the specifications of PIC18F452-E/ML?
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 5Weeks |
| YTEOL | 3 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT MIN 2V SUPPLY |
| 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 | S-PQCC-N44 |
| 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 | LCC44,.31SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100; TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 25mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC18F452-E/ML Alternates Showing results | Image |
| Package | Plastic Leaded Chip Carrier |
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 PIC18F452-E/ML datasheet?
PIC18F452-E/ML Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F452-E/ML?
Compatible alternatives and drop-in replacements for PIC18F452-E/ML:
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suggested
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Frequently Asked Questions
How does PIC18F452-E/ML's 32KB Flash compare to PIC18F252 for firmware-intensive control applications?
PIC18F452-E/ML provides 32KB of Flash program memory, which is double the 16KB offered by PIC18F252, enabling significantly larger firmware images including USB stacks, Modbus communication libraries, and advanced PID control algorithms. Both devices share the same 40 MHz maximum clock speed and PIC18 architecture, so firmware ported from PIC18F252 runs unmodified on PIC18F452-E/ML while gaining the additional 16KB for new features.
At what minimum supply voltage can PIC18F452-E/ML operate, making it suitable for battery-powered designs?
PIC18F452-E/ML operates from a minimum supply voltage of 2V, which is low enough to run directly from a single lithium cell discharged to its end-of-life voltage, or from dual AA alkaline cells late in their discharge cycle. This 2V minimum allows battery-powered products to extract more usable runtime before replacement, compared to MCUs with a 2.7V or 3V minimum supply threshold.
Which communication peripherals does PIC18F452-E/ML include for industrial multi-protocol designs?
PIC18F452-E/ML integrates a USART for RS-232 and RS-485 communication, an MSSP module supporting both SPI and I2C in hardware, and a parallel slave port for bus interface applications. These 3 hardware communication peripherals allow simultaneous multi-protocol designs, such as reading sensors over I2C at 400 kHz while transmitting data to a host over a 115200 baud UART link, all without requiring software bit-banging.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 45+ | $10.6600 | $479.70 |
| 100+ | $10.3700 | $1037.00 |
| 1000+ | $9.7800 | $9780.00 |
| 5000+ | $9.4300 | $47150.00 |
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