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ANALOG DEVICES DS12885QN+
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, PLCC-28
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- DS12885QN+
- Order Code:
- 2515410
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- Product Range
- -
- Technical Datasheet:
- DS12885QN+ Datasheet
- ECAD / MCAD
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Product Overview
The DS12885QN+ is a real time clock (RTC) in 28 pin PLCC package. This RTC is designed to be direct replacements for the DS1285. The device provide a real time clock/calendar, one time of day alarm, three maskable interrupts with a common interrupt output, a programmable square wave and 114 bytes of battery backed static RAM. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including correction for leap years. The device also operate in either 24-hour or 12-hour format with an AM/PM indicator. A precision temperature-compensated circuit monitors the status of VCC. If a primary power failure is detected device automatically switches to a backup supply. A lithium coin-cell battery can be connected to VBAT input pin on IC to maintain time and date operation when primary power is absent. It is used in embedded systems, utility meters and network hubs, bridges and routers.
- Supply voltage range is 4.5V to 5.5V
- Operating temperature range from 0°C to 70°C & periodic rates from 122μs to 500ms
- Drop-in replacement for IBM AT computer clock/calendar, 14 bytes of clock and control registers
- Counts seconds, minutes, hours, day, date, month and year with leap year compensation through 2099
- Binary or BCD time representation, daylight saving time option & end of clock update cycle flag
- Selectable intel or motorola bus timing, interfaced with software as 128 RAM locations
- Time of day alarm once per second to once per day, RAM clear function
- Programmable square-wave output
- UL recognized
Applications
Clock & Timing
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product Information
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- :
- Day; Date; Month; Year
- :
- HH:MM:SS
- :
- Alarm RTC
- :
- 4.5V
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- 5.5V
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- PLCC
- :
- 28Pins
- :
- Multiplexed
- :
- -40°C
- :
- 85°C
- :
- -
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
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4 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 4/7/25
4 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥2,351.25
(
¥2,586.38
Inc. JCT)
Pricing is unavailable. Please contact customer services.
- Price for:
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Multiple: 1 Minimum: 1
- 1+
- 10+
- 39+
- 117+
- 273+
- 507+
- 1014+
| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
|---|---|---|
| 1+ | ¥2,351.25 (¥2,586.38) | ( ) |
| 10+ | ¥1,639.61 (¥1,803.57) | ( ) |
| 39+ | ¥1,377.84 (¥1,515.62) | ( ) |
| 117+ | ¥1,326.76 (¥1,459.44) | ( ) |
| 273+ | ¥1,301.23 (¥1,431.35) | ( ) |
| 507+ | ¥1,275.70 (¥1,403.27) | ( ) |
| 1014+ | ¥1,250.17 (¥1,375.19) | ( ) |
| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
|---|
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