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BQ4802YDW
Real Time Clock Parallel RTC
- Product Category: Real Time Clocks
- Mfr. Part # BQ4802YDW
- Manufacturer: Texas Instruments
- Package: Tube
- Lead Free Status /RoHS Status:
- Data Sheet: BQ4802YDW Datasheet
- Inventory: In Stock
- Unit Price: Inquiry
- Quantity: -+
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Please send inquiry,we will respond immediately.
Mfr. Part #: BQ4802YDW
- Product Details
Product Details
[UNITRODE]
General Description
The CMOS bq4285 is a low-power microprocessor peripheral providing a time-of-day clock and 100-year calendar with alarm features and battery operation. Other features include three maskable interrupt sources, square wave output, and 114 bytes of general nonvolatile storage.Features
➤ Direct clock/calendar replacement for IBM® AT-compatible computers and other applications➤ Functionally compatible with the DS1285
- Closely matches MC146818A pin configuration
➤ 114 bytes of general nonvolatile storage
➤ Automatic backup and writeprotect control to external SRAM
➤ 160 ns cycle time allows fast bus operation
➤ Selectable Intel or Motorola bus timing (PLCC), Intel bus timing (DIP and SOIC)
➤ Less than 0.5 µA load under battery operation
➤ 14 bytes for clock/calendar and control
➤ Calendar in day of the week, day of the month, months, and years, with automatic leap-year adjustment
➤ Time of day in seconds, minutes, and hours
- 12- or 24-hour format
- Optional daylight saving adjustment
➤ BCD or binary format for clock and calendar data
➤ Programmable square wave output
➤ Three individually maskable interrupt event flags:
- Periodic rates from 122 µs to 500 ms
- Time-of-day alarm once per second to once per day
- End-of-clock update cycle
➤ 24-pin plastic DIP or SOIC
ICCHIPS, where the pulse of innovation meets the heartbeat of wholesale excellence. Unveil the future of electronic components with our flagship product, the BQ4802YDW. As your conduit to groundbreaking technology, we stand as the bridge between visionary suppliers and pioneering manufacturers, committed to orchestrating seamless transactions that cater to the ever-evolving needs of the electronics industry.
Please send inquiry, we will respond immediately.
Mfr. Part #: BQ4802YDW
