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BQ4845P-A4
- Manufacturer's Part No.:BQ4845P-A4
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- Description:IC RTC CLK/CALENDAR PAR 28-DIP
- Quantity:RFQAdd to RFQ List
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- Available: 3743
Reference Price(In US Dollars)
| Qty | Unit Price | Ext.Price |
|---|---|---|
| 1+ | US $12.29800 | US $12.30 |
| 10+ | US $11.06820 | US $110.68 |
| 30+ | US $8.60860 | US $258.26 |
| 100+ | US $7.07135 | US $707.14 |
| 500+ | US $6.76390 | US $3381.95 |
| 1000+ | US $6.14900 | US $6149.00 |
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- Description
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- Shopping Guide
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
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
SHIPPING GUIDE
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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.
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