PIC18F4523-I/PREL Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC18F4523-I/PREL is an 8-bit PIC18 family microcontroller running up to 40 MHz, integrating an on-chip ADC, and operating from as low as 2 V supply at 4 MHz, in a DIP package. It delivers reliable embedded control for industrial, consumer, and low-power sensing applications with flexible I/O and peripheral integration.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F4523-I/PREL Datasheet PDF
- Category
- Integrated Circuit
- 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 PIC18 CPU core operating up to 40 MHz for responsive embedded control tasks
- On-chip ADC enabling direct analog sensor signal acquisition without external conversion hardware
- Wide supply voltage operation down to 2 V at 4 MHz for battery-powered and low-power designs
- DIP package supporting both through-hole PCB assembly and breadboard prototyping
Applications
The PIC18F4523-I/PREL is used in embedded control applications including sensor-based data loggers, industrial monitoring units, and consumer appliance controllers requiring 8-bit processing at up to 40 MHz. Its on-chip ADC and wide supply voltage range from 2 V to 5 V make it suitable for battery-operated sensing nodes and low-power field instruments. The PIC18 architecture and mature toolchain support rapid firmware development for HVAC controls, home automation, and educational prototyping.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 28Weeks |
| YTEOL | 6.48 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V MIN SUPPLY @ 4MHZ |
| 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 | 36 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| RAM (bytes) | 1536 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 250mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| Supply Voltage-Nom | 5V |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F4523-I/PREL:
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
Frequently Asked Questions
At what maximum clock frequency does the PIC18F4523-I/PREL operate, and what does that enable for embedded control tasks?
The PIC18F4523-I/PREL operates at up to 40 MHz, executing up to 10 million instructions per second on its single-cycle PIC18 core. This throughput is sufficient for real-time PID control loops, serial communication at 115,200 baud, and multi-channel sensor polling in industrial monitoring applications.
How low a supply voltage can the PIC18F4523-I/PREL use, making it suitable for battery-powered sensor nodes?
The PIC18F4523-I/PREL can operate from a supply voltage as low as 2 V when the clock is limited to 4 MHz, making it compatible with two-cell alkaline batteries or a single lithium cell at end-of-discharge. This low-voltage operation extends battery life in wireless sensor nodes and handheld instruments that must function until the battery fully drains.
Does the PIC18F4523-I/PREL include an on-chip ADC, and how many channels does it provide for sensor interfacing?
Yes, the PIC18F4523-I/PREL includes an on-chip ADC with multiple input channels derived from its 43 available specifications, allowing direct connection of analog sensors such as thermistors, pressure transducers, and potentiometers without an external ADC IC. The integrated converter simplifies BOM and PCB layout in data acquisition and process monitoring applications.
For a student prototyping project, why is the DIP package of PIC18F4523-I/PREL advantageous over a surface-mount MCU?
The DIP through-hole package of the PIC18F4523-I/PREL seats directly into a solderless breadboard or standard 40-mil-pitch DIP socket, eliminating the need for an SMT adapter PCB or reflow soldering equipment during prototyping. This makes hand-assembly accessible at 40 MHz performance levels, suitable for university lab projects, hobbyist firmware development, and small-batch embedded designs.
When migrating a design from PIC16 to PIC18F4523-I/PREL, what performance advantage justifies the transition?
Migrating from PIC16 to the PIC18F4523-I/PREL provides a 40 MHz clock option versus the typical 20 MHz PIC16 maximum, doubling instruction throughput for computationally intensive tasks such as floating-point sensor calculations and communication protocol stacks. The PIC18 enhanced instruction set also includes hardware multiply and additional addressing modes, reducing code size and execution time for 8-bit arithmetic-heavy firmware.
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