PIC18F248T-I/SO Tech Specifications
Microchip - PIC18F248T-I/SO technical specifications, attributes, parameters and parts with similar specifications to Microchip - PIC18F248T-I/SO

Product Attribute	Attribute Value
Part Number	PIC18F248T-I/SO
Package	-
Description	-
Stock Condition	Get 5170 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Parts Introduction

Manufacturer Part Number

PIC18F248T-I/SO

Manufacturer

microchip-technology

Introduction

The PIC18F248T-I/SO is a high-performance, 8-bit microcontroller from Microchip Technology. It features a PIC core, with a flash program memory of 16KB and an EEPROM size of 256 bytes. The device operates at a maximum speed of 40MHz and supports various peripherals and communication interfaces.

Product Features and Performance

8-bit PIC core

16KB flash program memory

256 bytes EEPROM

768 bytes RAM

Operates at a maximum speed of 40MHz

Supports CAN bus, I2C, SPI, and UART/USART communication interfaces

Includes peripherals such as brown-out detect/reset, LVD, POR, PWM, and watchdog timer

22 I/O pins

Product Advantages

High-performance 8-bit microcontroller

Flexible communication interfaces

Integrated peripheral features

Wide operating temperature range (-40°C to 85°C)

Key Reasons to Choose This Product

Reliable and proven PIC architecture

Versatile communication capabilities

Efficient power management with integrated peripherals

Suitable for a wide range of embedded applications

Quality and Safety Features

Designed for reliable operation

Meets industrial temperature range requirements

Undergoes rigorous quality control and testing

Compatibility

This microcontroller is compatible with other PIC18F series devices and can be used in a variety of embedded systems.

Application Areas

Suitable for a wide range of embedded applications, including industrial automation, motor control, home automation, and more.

Product Lifecycle

The PIC18F248T-I/SO is an obsolete product, meaning it is no longer in active production. However, there are equivalent and alternative models available from Microchip Technology. Customers are advised to contact our website's sales team for more information on compatible and recommended products.

Frequently Asked Questions(FAQ)

What are the key design considerations when selecting the PIC18F248T-I/SO for a battery-powered automotive control module operating in extreme temperature environments?: The PIC18F248T-I/SO supports an operating temperature range of -40°C to 85°C (TA), making it suitable for under-hood or exterior automotive applications. Its 4.2V to 5.5V supply range allows compatibility with regulated vehicle power systems, while the integrated Brown-out Detect/Reset and Power-on Reset (POR) help maintain reliable operation during voltage transients. With 768 x 8 bytes of RAM and 16KB of flash, the device can handle moderate real-time control algorithms without external memory, reducing overall power consumption. The built-in Low-Voltage Detect (LVD) further enhances system safety by triggering a reset before critical undervoltage conditions compromise firmware execution.

How does the PIC18F248T-I/SO compare to the PIC18F2480T-I/SO in terms of peripheral integration and firmware migration effort?: While both microcontrollers share the same core architecture and package, the PIC18F248T-I/SO includes a full CAN 2.0B controller, which the PIC18F2480T-I/SO lacks. This makes the PIC18F248T-I/SO better suited for legacy automotive networks requiring CAN communication without external transceivers. However, the PIC18F2480T-I/SO offers enhanced features such as more PWM channels and a higher-resolution ADC, which may benefit precision motor control applications. Firmware migration between the two is generally feasible due to register-level compatibility, but code leveraging the CAN module on the PIC18F248T-I/SO would require significant modification if ported to the 2480 variant.

Can the PIC18F248T-I/SO support real-time sensor data acquisition and CAN message transmission simultaneously without performance degradation?: Yes, the PIC18F248T-I/SO’s 40MHz operation allows sufficient headroom for concurrent execution of 10-bit A/D conversions on up to five channels and CAN bus communication. The A/D converter can complete a conversion in approximately 12 instruction cycles (300 ns at 40 MHz), enabling sampling rates up to 200 kSPS in burst mode. The CAN module operates independently via dedicated buffers and interrupt handling, minimizing CPU overhead during message transmission. With proper interrupt prioritization and efficient ISR design, the device can maintain deterministic response times for both analog input processing and network communication.

What oscillator configuration is recommended for the PIC18F248T-I/SO in a cost-sensitive industrial application requiring ±1% clock accuracy?: For ±1% accuracy, an external 4–10 MHz ceramic resonator or a low-cost crystal oscillator is recommended. The PIC18F248T-I/SO supports external clock sources through its OSC1/OSC2 pins, and using a 4 MHz crystal with load capacitors tuned to the manufacturer’s specifications typically achieves ±0.5% stability over the full temperature range. This avoids the need for a more expensive TCXO while meeting industrial timing requirements for UART, I2C, and CAN protocols. Internal oscillator options are not available on this model, so external timing components are mandatory.

How does the memory architecture of the PIC18F248T-I/SO impact firmware development for applications requiring frequent data logging?: The PIC18F248T-I/SO provides 16KB of flash program memory and 256 x 8 bytes of EEPROM. While the flash is suitable for storing application code, the limited EEPROM restricts frequent data logging unless wear-leveling algorithms are implemented. For logging intervals exceeding a few writes per minute, consider using external serial EEPROM or leveraging unused flash sectors with software-managed page rotation. The 768-byte RAM also constrains buffer sizes for data aggregation, so streaming or compression techniques may be necessary for high-frequency sensor logging before transmission over CAN or UART.

Is the PIC18F248T-I/SO suitable for use in safety-critical systems requiring hardware-based fault detection mechanisms?: The PIC18F248T-I/SO includes several hardware safety features such as a Watchdog Timer (WDT), Brown-out Reset, and Power-on Reset, which help detect and recover from power and execution faults. However, it lacks advanced functional safety certifications (e.g., ISO 26262 ASIL) and built-in redundancy mechanisms. For safety-critical applications, these features must be supplemented with external monitoring circuits and robust software diagnostics. The device is appropriate for non-safety automotive or industrial systems where fail-safe behavior is achieved through system-level design rather than MCU-level certification.

What are the trade-offs between using the PIC18F248T-I/SO and a modern 32-bit ARM Cortex-M0+ MCU in a CAN-enabled embedded design?: The PIC18F248T-I/SO offers lower unit cost, simpler development tools, and proven reliability in legacy automotive systems, with native CAN support eliminating the need for external controllers. However, 32-bit Cortex-M0+ devices typically provide higher computational throughput, larger memory addressing, and advanced low-power modes. For applications requiring complex protocol stacks or floating-point operations, the ARM alternative may be preferable. The PIC18F248T-I/SO remains advantageous in designs prioritizing deterministic 8-bit performance, minimal BOM, and compatibility with existing PIC toolchains and firmware ecosystems.

How should the I/O pins on the PIC18F248T-I/SO be managed when interfacing with 3.3V logic devices in a mixed-voltage system?: The PIC18F248T-I/SO operates at 4.2V to 5.5V, and its I/O pins are 5V-tolerant but not 3.3V-safe when powered. To interface with 3.3V logic, use level-shifting circuitry or series resistors (e.g., 1kΩ) on input lines to limit current during voltage mismatches. Outputs driving 3.3V inputs should be buffered through a level translator to prevent overvoltage stress. Alternatively, design the system so that the PIC18F248T-I/SO and 3.3V devices share a common 3.3V rail, though this requires verifying that the microcontroller’s performance at lower voltages meets timing requirements, particularly for 40MHz operation.

What development and debugging tools are compatible with the PIC18F248T-I/SO, and how do they impact time-to-market?: The PIC18F248T-I/SO is supported by Microchip’s MPLAB X IDE and compatible debuggers such as the PICkit 4 and ICD 4. These tools enable in-circuit debugging and programming via the ICSP interface, allowing real-time register inspection and breakpoint setting. The device’s mature architecture ensures extensive community support, code examples, and verified firmware libraries—especially for CAN and UART communication—which can significantly reduce development time. However, the absence of modern debugging features like SWD or trace capabilities may limit visibility in complex timing scenarios compared to newer MCUs.

Can the PIC18F248T-I/SO be used in a multi-drop I2C network with multiple slave devices operating at different supply voltages?: Yes, the PIC18F248T-I/SO can function as an I2C master in a multi-drop network, but voltage compatibility must be carefully managed. Since the device operates at 4.2V–5.5V, its I2C pins (SDA/SCL) will output high levels near VDD. When interfacing with 3.3V slaves, use bidirectional level translators on the I2C lines to prevent damage and ensure proper logic thresholds. Pull-up resistors should be connected to the appropriate voltage rail for each segment. The open-drain nature of I2C helps mitigate contention, but timing margins may degrade with long buses; keep trace lengths under 1 meter and limit capacitance to <400 pF for reliable 100 kHz operation.

How does the power consumption of the PIC18F248T-I/SO compare under active and sleep modes, and what implications does this have for energy-sensitive designs?: In active mode at 5V and 40MHz, the PIC18F248T-I/SO typically draws 5–7 mA, depending on peripheral usage. In sleep mode, current drops to less than 1 µA when only the WDT is active. This makes it suitable for intermittent operation in energy-constrained systems, such as remote sensors that wake periodically to sample data and transmit via CAN. However, the lack of deep sleep modes with peripheral wake-up (e.g., CAN activity detection) means the CPU must be fully active to monitor bus traffic, limiting power savings in always-listening applications. Designers should use timer-based wake-ups and minimize active duty cycles to optimize battery life.

What are the implications of the 28-SOIC package on PCB layout and thermal management for the PIC18F248T-I/SO?: The 28-SOIC (0.295", 7.50mm width) package is compact and suitable for space-constrained designs, but its limited thermal dissipation requires careful PCB layout. Use a solid ground plane beneath the device and connect exposed thermal pads (if present) to ground. For continuous high-load operation, ensure adequate copper pour around the package to act as a heat spreader. The package’s pitch (1.27mm) allows hand-soldering in prototypes but demands precise stencil design for reflow in production. Moisture sensitivity level 1 (MSL 1) eliminates the need for dry packing, simplifying storage and handling in manufacturing environments.

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Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

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Delivery Time

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Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
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Packaging
Certifications & Memberships

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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
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PIC18F248T-I/SO

Microchip
41D-PIC18F248T-I/SO

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PIC18F248T-I/SO - Microchip

Specifications

Parts Introduction

Manufacturer Part Number

Manufacturer

Introduction

Product Features and Performance

Product Advantages

Key Reasons to Choose This Product

Quality and Safety Features

Compatibility

Application Areas

Product Lifecycle

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

Solid diode for power rectification. Works well in switching circuits.

Compact FPGA with good performance. Suitable for basic signal processing tasks.

Reliable I/O expander. Works well in embedded control applications.

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

Shipment

Delivery Time

Delivery Cost

Delivery Method

QC (Quality Warranty)

Payment Support

Packaging

Electrostatic Discharge Protection and Handling

Certifications & Memberships

PIC18F248T-I/SO

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Feedback

Please refer to the English Version as our Official Version.