Effective Inventory6,463

HC05 8-bit MCU featuring 15KB EPROM memory and CISC architecture, designed to operate at both 3

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Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.



Tape and Reel

Tape and Reel

Cut Tape

Cut Tape

Tube or Tray

Tube or Tray

MCHC705B16NCFNE DataSheet


Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for MCHC705B16NCFNE or email to us: Email: [email protected], we will contact you in 12 hours.


The MCHC705B16NCFNE is a standout electronic component featuring a powerful MCHC705 microcontroller chip with 16KB of flash memory. This non-encrypted version of the chip is designed for versatility, with a wide operating temperature range that allows for use in diverse settings. The high-speed USB interface facilitates seamless connectivity with external devices, enhancing the chip's utility and convenience. Furthermore, advanced security features ensure that your data remains protected from potential threats and unauthorized access. Whether you're a seasoned electronics enthusiast or a novice tinkering with projects, the MCHC705B16NCFNE offers a reliable and efficient solution for your microcontroller needs


Key Features

  • M68HC11 Central Processing Unit (CPU)
  • Power Saving STOP and WAIT Modes
  • 512 Bytes Electrically Erasable Programmable Read-Only Memory (EEPROM)
  • 1024 Bytes RAM, Data Retained During Standby
  • Nonmultiplexed Address and Data Buses
  • Enhanced 16-Bit Timer
  • Three Input Capture (IC) Channels
  • Four Output Compare (OC) Channels
  • One Additional Channel, Selectable as Fourth IC or Fifth OC
  • 8-Bit Pulse Accumulator
  • Real-Time Interrupt Circuit
  • Computer Operating Properly (COP) Watchdog
  • Enhanced Asynchronous Nonreturn to Zero (NRZ) Serial Communications Inter face (SCI)
  • Enhanced Synchronous Serial Peripheral Interface (SPI)
  • Eight-Channel 8-Bit Analog-to-Digital (A/D) Converter
  • Four Chip-Select Signal Outputs with Programmable Clock Stretching
  • — Two I/O Chip Selects
  • — One Program Chip Select
  • — One General-Purpose Chip Select
  • Available in 68-Pin Plastic Leaded Chip Carrier (PLCC) and 80-Pin Plastic Quad Flat Pack (QFP)


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! 8-bit Microcontrollers - MCU Series HC05
Mounting Style SMD/SMT Package / Case PLCC-52
Core HC05 Program Memory Size 16 kB
Data Bus Width 8 bit ADC Resolution 8 bit
Maximum Clock Frequency 2.1 MHz Number of I/Os 24 I/O
Data RAM Size 352 B Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 85 C Brand NXP Semiconductors
Height 3.69 mm Interface Type SCI
Length 19.2 mm Number of ADC Channels 8 Channel
Number of Timers/Counters 1 Timer Product Type ! 8-bit Microcontrollers - MCU
Program Memory Type ! EPROM Subcategory Microcontrollers - MCU
Width 19.2 mm Unit Weight 0.104503 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MCHC705B16NCFNE PDF Download

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