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MC68HC908JB8JDW - NXP

Description: HC08 HC08 Microcontroller IC 8-Bit 3MHz 8KB (8K x 8) FLASH 20-SOIC

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MC68HC908JB8JDW - NXP - PCB symbol
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PCB Footprints
MC68HC908JB8JDW - NXP PCB footprint - Small Outline Packages - Small Outline Packages - DW SUFFIX SOG PACKAGE CASE 751D–04
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MC68HC908JB8JDW - NXP - 3D model - Small Outline Packages - DW SUFFIX SOG PACKAGE CASE 751D–04
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MC68HC908JB8JDW Details

  • Manufacturer Part Number:

    MC68HC908JB8JDW

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOIC-20

  • HTS Code:

    8542.31.00.15

  • Date Of Intro:

    2016-08-12

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Has ADC:

    NO

  • Bit Size:

    8

  • Boundary Scan:

    NO

  • CPU Family:

    M68HC08

  • Clock Frequency-Max:

    6 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • Format:

    FIXED POINT

  • Integrated Cache:

    NO

  • JESD-30 Code:

    R-PDSO-G20

  • Length:

    12.8 mm

  • Low Power Mode:

    YES

  • Number of External Interrupts:

    1

  • Number of I/O Lines:

    13

  • Number of Terminals:

    20

  • Number of Timers:

    2

  • On Chip Data RAM Width:

    8

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    70 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • RAM (bytes):

    256

  • ROM (words):

    8192

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    2.65 mm

  • Speed:

    3 MHz

  • Supply Current-Max:

    7.5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    5.25 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER

MC68HC908JB8JDW Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the MC68HC908JB8JDW is 20 MHz, but it can be overclocked to 24 MHz with some limitations. However, it's recommended to follow the recommended operating conditions in the datasheet to ensure reliable operation.
  • To configure the internal oscillator for optimal performance, set the FOSC2 and FOSC1 bits in the OPT1 register to select the desired oscillator frequency. Also, ensure that the XTAL and EXTAL pins are properly connected to a crystal oscillator or a ceramic resonator, and that the oscillator is properly bypassed with capacitors.
  • The maximum amount of current that can be sourced or sunk by the I/O pins of the MC68HC908JB8JDW is 25 mA per pin, with a total current limit of 100 mA for all I/O pins combined. However, it's recommended to limit the current to 10-15 mA per pin to ensure reliable operation and to prevent overheating.
  • To implement a watchdog timer in your application, enable the watchdog timer by setting the WDE bit in the WMR register. Then, periodically reset the watchdog timer by writing a specific value to the WVR register. If the watchdog timer is not reset within the specified time period, it will generate a reset signal to the microcontroller.
  • The COP (Computer Operating Properly) module is a watchdog timer that monitors the microcontroller's operation and generates a reset signal if the microcontroller fails to execute a specific sequence of instructions within a specified time period. This helps to prevent the microcontroller from getting stuck in an infinite loop or from malfunctioning due to software errors.

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MC68HC908JB8JDW Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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