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21-0042 - Brand New Infineon IC Chips

In Stock:6543 ,Ready for Immediate Shipping
New RoSH Lead free
In Stock: 6543, Ready for Immediate Shipping
Category:IC Chips
Chipdatas Part No.:CD92-21-0042
Manufacturer Part No.:21-0042
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  • Description

    The Electronic Component Model 21-0042 is a DS1339 serial real-time clock (RTC) designed to provide accurate timekeeping and date information. It features two programmable time-of-day alarms and a programmable square-wave output. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. It also has a built-in power sense circuit that detects power failures and switches to the backup supply to maintain time, date, and alarm operation.

    Specifications and features

    • Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with LeapYear Compensation Valid Up to 2100
    • Available in a Surface-Mount Package with an Integrated Crystal (DS1339C)
    • I2C Serial Interface
    • Two Time-of-Day Alarms
    • Programmable Square-Wave Output
    • Oscillator Stop Flag
    • Automatic Power-Fail Detect and Switch Circuitry
    • Trickle-Charge Capability
    • Underwriters Laboratories (UL) Recognized

    Application Scenarios

    • Handhelds (GPS, POS Terminals)
    • Consumer Electronics (Set-Top Box, Digital Recording, Network Appliance)
    • Office Equipment (Fax/Printers, Copier)
    • Medical (Glucometer, Medicine Dispenser)
    • Telecommunications (Routers, Switches, Servers)
    • Other (Utility Meter, Vending Machine, Thermostat, Modem)


    • Accurate timekeeping and date information
    • Programmable time-of-day alarms
    • Programmable square-wave output
    • Power sense circuit for automatic backup supply
    • None identified
  • Similar parts: 430483 , Click to view
    Attributes Value
    Category IC Chips
    Manufacturer Infineon
    Product Category IC Chips
    Series iPOWIR™
    Packaging Tube
    Package-Case 133-BFBGA
    Operating-Temperature -40°C ~ 125°C (TJ)
    Mounting-Type Surface Mount
    Output-Type Adjustable
    Function Step-Down
    Supplier-Device-Package BGA (11x11)
    Number-of-Outputs 1 Output
    Topology Buck
    Frequency-Switching 150kHz ~ 1MHz
    Current-Output 20A
    Output-Configuration Positive
    Output Voltage 0.9V
    Voltage-Output-Max 3.3V
    Synchronous-Rectifier Yes
    Voltage-Input-Min 3V
    Voltage-Input-Max 12.6V
  • Latest 5 Reviews
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  • Shopping guide

    • - 30-day money-back return policy,
    • - 90-day warranty against any manufacturing defects. View more
    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
    • - Paypal,Credit Card includes Visa, Master, American Express.
    • - Wire transfer, include Local bank transfer.
    • - Western Union.
    • View more
Contact us
Additional Information
  • Datasheet: Download 21-0042
  • Chipdatas Part: CD92-21-0042
  • Warehouse: China, Hong Kong
  • Dispatch: Within 24 hours
  • Free Shipping: Yes
  • Prority Shipping: Yes, 3-5 days
  • Last Updated: 2024/07/19 20:10 +0800
    • 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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