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PIC18C858-I/PT

IC MCU 8BIT 32KB OTP 80TQFP

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

The Microchip Technology PIC® 18C series PIC18C858-I-PT is an 8-bit microcontroller featuring a 40MHz core clock speed. This OTP (One-Time Programmable) device offers 32KB of program memory, organized as 16K x 16, and 1.5KB of RAM. It includes 68 I/O pins and operates from a 4.2V to 5.5V supply. Connectivity options include CANbus, I2C, SPI, and UART/USART. On-chip peripherals include a Brown-out Detect/Reset, Low Voltage Detect (LVD), Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). The device also incorporates a 16-channel, 10-bit Analog-to-Digital (A/D) converter. This surface-mount component is housed in an 80-TQFP package and is suitable for applications requiring robust control and communication capabilities in industrial and automotive sectors.

Additional Information

Series: PIC® 18CRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TrayDatasheet:
Technical Details:
PackagingTray
Package / Case80-TQFP
Mounting TypeSurface Mount
Speed40MHz
Program Memory Size32KB (16K x 16)
RAM Size1.5K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeExternal
Program Memory TypeOTP
EEPROM Size-
Core ProcessorPIC
Data ConvertersA/D 16x10b
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)4.2V ~ 5.5V
ConnectivityCANbus, I2C, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, LVD, POR, PWM, WDT
Supplier Device Package80-TQFP (12x12)
Number of I/O68
ProgrammableVerified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.

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