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UPD74HC138GS-T2 - Brand New NEC IC Chips

In Stock:4360 ,Ready for Immediate Shipping
New RoSH Lead free
In Stock: 4360, Ready for Immediate Shipping
Brand:NEC
Category:IC Chips
Chipdatas Part No.:CD92-UPD74HC138GS-T2
Manufacturer Part No.:UPD74HC138GS-T2
Datecode:09+
Package:SOP
Request Quote:
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  • ** Description **

    The uPD765A/B is an LSI floppy disk controller (FDC) chip which contains the circuitry and control functions for interfacing a processor to 4 floppy disk drives. It is capableof either IBM 3740 single density format (FM), or IBM System 34 double density format (MFM) including double-sided recording. The uPD765A/B provides con trol signals which simplify the design of an external
    phase-locked loop and write precompensation circuitry. The FDC simplifies and handles most of the burdens as sociated with implementing a floppy disk interface.

    ** Features **

    Address mark detection circuitry is internal to the FDC which simplifies the phase-locked loop and read elec tronics. The track stepping rate, head load time, and head unload time are user-programmable. The uPD765A/uPD765B offers additional features such as multi-track and multi-side read and write commands and single and double density capabilities.

    FM, MFM Control
    Variable recording length: 128,256, .8192 bytes/ sector
    IBM-compatible format (single- and double sided, single- and double-density)
    Multi-sector and multi-track transfer capability
    Drive up to 4 floppy or micro floppydisk drives
    Data scan capability-will scan a single sector or an entire cylinder comparing byte-for-byte host memory and disk data
    Data transfers in DMA or non-DMA mode
    Parallel seek operations on up to four drives
    Compatible with uPD8080/85, uPD8086/88, V-series and uPD780 ( [email protected] ) microprocessors
    Single-phase clock: 8 MHz maximum 3 +5V only

  • Similar parts: 430483 , Click to view
    Attributes Value
    Category IC Chips
    Manufacturer NEC
    Product Category IC Chips
  • Latest 5 Reviews
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  • Shopping guide

    Warranty:
    • - 30-day money-back return policy,
    • - 90-day warranty against any manufacturing defects. View more
    Returning:
    Within 30 days from date of shipment. View more

    Delivery period:
    • - Will ship out in 2-3 days
    • - DHL Express: 3-7 business days
    • - DHL eCommerce: 12-22 business days
    • - FedEx International Priority: 3-7 business days
    • - EMS: 10-15 business days
    Shipping fee:
    • - Automatic Email notification (above 5 times)
    • - View in your order page
    Shipping option:
    DHL, FedEx, EMS, SF Express, and Registered Air Mail
    Shipping tracking:
    • - Automatic Email notification (above 5 times)
    • - View in your order page
    View more

    How to Buy:
    • - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
    • - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
    • View more
    Payment:
    • - Paypal,Credit Card includes Visa, Master, American Express.
    • - Wire transfer, include Local bank transfer.
    • - Western Union.
    • View more
Contact us
Additional Information
  • Datasheet: Download UPD74HC138GS-T2
  • Chipdatas Part: CD92-UPD74HC138GS-T2
  • Warehouse: China, Hong Kong
  • Dispatch: Within 24 hours
  • Free Shipping: Yes
  • Prority Shipping: Yes, 3-5 days
  • Last Updated: 2024/07/16 14:09 +0800
Refund
    • Full Refund if you don't receive your order
    • Full or Partial Refund , If the item is not as described
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Payment Method
  • The fee is charged according to the rule of PayPal.
  • The fee is charged according to the rule of PayPal.
  • Western Union charge US$0.00 banking fee.
  • We recommend to use bank transfer for large orders to save on handling fees.
Shipping Tips
  • DHL(www.dhl.com)
    $40 limited time offer.
  • UPS(www.ups.com)
    $40 limited time offer.
  • FedEx(www.fedex.com)
    $40 limited time offer.
  • Registered Mail(www.singpost.com)
    Free shipping without minimum order.
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