PIC18F458-I/L Microchip Integrated Circuit (Plastic Leaded Chip Carrier) In Stock
Microchip PIC18F458-I/L is an 8-bit PIC microcontroller running up to 40 MHz with 32 KB Flash, 1536 bytes RAM, and a 10-bit ADC. It features CAN bus and SPI/I2C/USART peripherals in a 44-pin PLCC package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Plastic Leaded Chip Carrier
- Pin Count
- 44
- Lifecycle
- OBSOLETE
- Datasheet
- PIC18F458-I/L Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $21.2300(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
- 8-bit PIC CPU core with 40 MHz maximum clock, delivering 10 MIPS peak throughput for real-time control tasks
- Integrated CAN 2.0B controller enabling direct connection to automotive and industrial CAN networks without external transceiver logic
- 10-bit ADC with 8 channels and 100 ksps sampling rate for accurate analog signal acquisition
- Multiple serial interfaces including SPI, I2C, and USART supporting versatile system connectivity
Applications
The PIC18F458-I/L is well-suited for embedded control applications requiring CAN bus connectivity, including automotive body electronics, industrial motor drives, and building automation nodes. Its 40 MHz clock and rich peripheral set make it a strong choice for real-time data acquisition systems using 8 analog channels at 10-bit resolution. The PLCC-44 package is compatible with socket-based prototyping and high-reliability industrial designs that demand socketed ICs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V MINIMUM SUPPLY |
| Bit Size | 8 |
| CPU Family | PIC |
| 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 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LDCC44,.7SQ |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Peak Reflow Temperature (Cel) | 245 |
| Power Supplies | 5V |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1536 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 40MHz |
| Subcategory | Microcontrollers |
| Supply Current-Max | 50mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F458-I/L:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PQCC44
Frequently Asked Questions
What is the maximum clock speed and resulting instruction throughput of the PIC18F458-I/L?
The PIC18F458-I/L operates at up to 40 MHz, delivering a peak throughput of 10 MIPS since PIC18 executes most instructions in a single 4-clock cycle. This makes it fast enough for real-time motor control loops and CAN message processing without an external co-processor.
How many ADC channels does the PIC18F458-I/L provide, and what is the resolution?
The PIC18F458-I/L includes a 10-bit ADC with 8 input channels, supporting sample rates up to 100 ksps. This resolution and channel count suit multi-sensor data acquisition tasks, such as reading temperature, pressure, and current simultaneously in industrial equipment.
Which CAN standard does the PIC18F458-I/L support, and what bit rates are achievable?
The integrated CAN module is fully compliant with CAN 2.0B Active, supporting data bit rates up to 1 Mbps. The controller handles message filtering, buffering, and error management in hardware, reducing CPU overhead in automotive and industrial network designs running at standard 500 kbps or 1 Mbps bus speeds.
Is PIC18F458-I/L suitable for a 3.3 V system, or does it require 5 V supply?
The PIC18F458-I/L operates from a supply range of 2.0 V to 5.5 V, and the datasheet notes it also functions at 2 V minimum supply with reduced clock speeds. Full 40 MHz operation requires at least 4.2 V, while low-power 3.3 V designs can run at frequencies up to roughly 25 MHz.
When would a designer choose PIC18F458-I/L over PIC18F258 for a CAN-connected sensor node?
PIC18F458-I/L offers 32 KB Flash and 8 ADC channels versus 32 KB Flash and 5 ADC channels on the PIC18F258, making it preferable when more than 5 analog inputs are needed in the same 44-pin PLCC footprint. Both share identical CAN 2.0B and USART peripherals, so migration requires only pin-count and ADC-channel evaluation.
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