Compare
DS1688S+
- Manufacturer's Part No.:DS1688S+
- Manufacturer:
- Categories:
- Sub-Categories:
- Series:-
- Description:IC RTC CLK/CALENDAR PAR 28-SOIC
- Datasheet:
- Quantity:RFQAdd to RFQ List
- Payment:
- Delivery:
- Available: 8021
Reference Price(In US Dollars)
| Qty | Unit Price | Ext.Price |
|---|---|---|
| 1+ | US $0.00000 | US $0.00 |
Do you want a lower wholesale price? Please send us an inquiry, and we will respond immediately.
- Description
- Alternatives
- Shopping Guide
The DS1688/DS1691 are real-time clocks (RTCs) designed as successors to the industry standard DS1285, DS1385, DS1485, and DS1585 PC real-time clocks.
These devices provide the industry standard DS1285 clock function with the new feature of either +3.0V or +5.0V operation and automatic backup and write protection to an external SRAM.
FEATURESIncorporates Industry Standard DS1287 PC Clock Plus Enhanced
Features:
• +3V or +5V Operation
• 64-Bit Silicon Serial Number
• 64-Bit Customer Specific ROM or Additional Serial Number Available
• Power Control Circuitry Supports System Power-On from Date/Time Alarm or Key Closure
• Automatic Battery Backup and Write Protection to External SRAM
• Crystal Select Bit Allows RTC to Operate with 6Pf or 12.5Pf Crystal
• 114 Bytes User NV RAM
• Auxiliary Battery Input
• RAM Clear Input
• Century Register
• 32kHz Output for Power Management
• 32-Bit VCC Powered Elapsed Time Counter
• 32-Bit VBAT Powered Elapsed Time Counter
• 16-Bit Power-Cycle Counter
• Compatible with Existing BIOS for Original DS1287 Functions
• Available as IC (DS1688) or Stand-Alone Module with Embedded Battery and Crystal (DS1691)
• Timekeeping Algorithm Includes Leap Year Compensation Valid Up to 2100
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
SHIPPING GUIDE
Shipping Methods
Rest assured that your orders will be handled by these trusted providers, such as DHL, FedEx, SF, and UPS.
Shipping Cost
Shipping starts at $40 but varies for destinations like South Africa, Brazil, India, and more. The actual shipping charges depend on time zone, country, and package weight/volume.
Delivery Time
We ship orders once daily, around 5 p.m., except on Sundays. The estimated delivery time may vary depending on the courier service you choose, but typically ranges from 5 to 7 business days.
RELEVANT BLOGS & POSTS
Professional Platform
Full-speed Delivery
Wide Variety of Products
365 Days of Quality Assurance