DS17285S-3 - Brand New Texas Instruments Real-time Clocks (RTC)
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Description
The DS17285S-3 is a real-time clock (RTC) designed as a successor to the industry standard DS1285, DS1385, DS1485, DS1585, and DS1685 PC real-time clocks. This device provides the industry standard DS1285 clock function with either +3.0 or +5.0 volt operation. The DS17285S-3 also incorporates a number of enhanced features including a silicon serial number, power on/off control circuitry, 114 bytes of user NV SRAM plus 2K bytes of additional NVRAM, and 32.768 KHz output for sustaining power management activities.
Specifications and Features
- Incorporates industry standard DS1287 PC clock plus enhanced features: - +3 or +5 volt operation - SMI recovery stack - 64-bit silicon serial number - Power control circuitry supports system power on from date/time alarm or key closure - 32 KHz output on power-up - Crystal select bit allows RTC to operate with 6 pF or 12.5 pF crystal - 114 bytes user NVRAM - 2K bytes of additional NVRAM - Auxiliary battery input - RAM clear input - Century register - Date alarm register - Compatible with existing BIOS for original DS1287 functions - Available as chip (DS17285) or standalone module with embedded battery and crystal (DS17287) - Timekeeping algorithm includes leap year compensation valid up to 2100
Application Scenarios
- Real-time clock for PCs and other electronic devices - Power management activities - Date and time alarms
Comparison
- Advantages: Enhanced features compared to previous models, compatibility with existing BIOS, and leap year compensation. - Disadvantages: None identified.
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Similar parts: 1405 , Click to view
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Datasheet
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Shopping guide
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:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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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.
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Payment:
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- - Wire transfer, include Local bank transfer.
- - Western Union.
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Popular parts of the same kind
- Datasheet: Download DS17285S-3
- Chipdatas Part: CD90-DS17285S-3
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 17:15 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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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.
