DS12887A+ ,Real Time Clock IC - Maxim Integrated
The pictures are for reference only, and the specific specifications can be found in the product manual.
Popularity Score
144 points
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Part NoDS12887A+
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ManufacturerMaxim Integrated
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ChipWorker Part#CW2188263
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CategoryReal Time Clock IC
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PackageEDIP-24
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DescriptionReal Time Clock Multiplexed 114Byte Clock/Calendar/Alarm 24Pin EDIP
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DocumentationDatasheet
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Ships fromMoscow
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НаличиеIn Stock
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Estimated Price$ 11.37
Payment Methods and Delivery
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DS12887A+ Specifications
Consulting Engineer >>| Attribute | Attribute Value | |
|---|---|---|
| Part Number | DS12887A+ | |
| Manufacturer | Maxim Integrated | |
| ChipWorker Part# | CW2188263 | |
| Category | Real Time Clock IC | |
| Documentation | Datasheet | |
| Mounting Style | Through Hole | |
| Number of Pins | 24 Pin | |
| Case/Package | EDIP-24 | |
| Supply Voltage (DC) | 4.50V (max) | |
| Operating Voltage | 4.5V ~ 5.5V | |
| Number of Outputs | 8 Output | |
| Supply Current | 15 mA | |
| Number of Positions | 24 Position | |
| Clock Speed | 32.768 kHz | |
| Memory Size | 114 B | |
| Operating Temperature (Max) | 70 ℃ | |
| Operating Temperature (Min) | 0 ℃ | |
| Supply Voltage | 4.5V ~ 5.5V | |
| Supply Voltage (Max) | 5.5 V | |
| Supply Voltage (Min) | 4.5 V | |
| expand all | ||
| Size-Length | 34.04 mm | |
| Size-Width | 18.29 mm | |
| Size-Height | 9.4 mm | |
| Operating Temperature | 0℃ ~ 70℃ | |
| Product Lifecycle Status | Unknown | |
| Packaging | Each | |
| RoHS | RoHS Compliant | |
| Lead-Free Status | Lead Free |
Similar & Replacement Parts
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Product Description
- The DS12887A+ is a Real-time Clock is designed to be direct replacements for the DS1285 and DS1287. The devices 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 (113 bytes in the DS12C887 and DS12C887A). The DS12C887 adds a century byte at address 32h. For all devices, the date at the end of the month is automatically adjusted for months with fewer than 31 days, including correction for leap years. The devices 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, the device automatically switches to a backup supply. A Lithium coin-cell battery can be connected to the VBAT input pin on the DS12885 to maintain time and date operation when primary power is absent.
- Drop-in replacement for IBM AT computer clock/calendar
- Binary or BCD time representation
- Selectable Intel or Motorola bus timing
- Interfaced with software as 128 RAM locations
- 14 Bytes of clock and control registers
- Interrupt output with three independently maskable interrupt flags
- Time-of-day alarm once per second to once per day
- Periodic rates from 122µs to 500ms
- End-of-clock update cycle flag
- Programmable square-wave output
- Automatic power-fail detect and switch circuitry
Delivery
Ordering Information
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These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
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- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more > - - Carefully tested and packaged by ChipWorker- Vacuum packed - Anti-static packaging - Anti-vibration foam
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