DS12887+ by Analog Devices
Real-Time Clocks
| Status: | Active |
|---|---|
| Series: | DS12887, DS12887A |
| RoHS: | Unknown |
Features
| Drop-In Replacement for IBM AT Computer Clock/Calendar |
| RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Through 2099 |
| Binary or BCD Time Representation |
| 12-Hour or 24-Hour Clock with AM and PM in 12-Hour Mode |
| Daylight Saving Time Option |
| Selectable Intel or Motorola Bus Timing |
| Interfaced with Software as 128 RAM Locations |
| 14 Bytes of Clock and Control Registers |
| 114 Bytes of General-Purpose, Battery-Backed RAM (113 Bytes in the DS12C887 and DS12C887A) |
| RAM Clear Function (DS12885, DS12887A, and DS12C887A) |
| 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 |
| Optional 28-Pin PLCC Surface Mount Package or 32-Pin TQFP (DS12885) |
| Optional Encapsulated DIP (EDIP) Package with Integrated Crystal and Battery (DS12887, DS12887A, DS12C887, DS12C887A) |
| Optional Industrial Temperature Range Available |
Specifications
| Interface | Multiplexed |
|---|---|
| VSUPPLY (V) | 5 |
| Date/ Time Format (hh = sec/100) | YY-MM-DD/ HH:MM:SS |
| Memory Type | NV SRAM |
| Memory Size (Bytes) | 114 |
| Time of Day Alarms | 1 |
| Integrated Resonator | XTAL |
| Package/Pins | MOD/24 |
| BudgetaryPrice (See Notes) | 6.37 |
Last 6 months Inventory & Pricing History
DS12887+ Semiconductors - ICs by Analog Devices
IC RTC 12887 DIP24
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Date Format | Day |
|---|---|
| Clock Format | 12Hr / 24Hr |
| Clock IC Type | RTC |
| Supply Voltage Min | 4.5V |
| Supply Voltage Max | 5.5V |
| Clock IC Case Style | DIP |
| No. of Pins | 24Pins |
| IC Interface Type | Multiplexed |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | - |
| SVHC | 1 2-dimethoxyethane ethylene glycol dimethyl ether (EGDME) (15-Jan-2018) |
| Base Number | 12887 |
| Device Marking | DS12887+ |
| IC Case Style | DIP |
| IC Generic Number | 12887 |
| IC Temperature Range | Commercial |
| Interrupt Type | Time of day Periodic Update In Progress |
| Logic Function Number | 12887 |
| Memory Type | RAM |
| No. of Outputs | 8Outputs |
| Operating Temperature Range | 0°C to +70°C |
| RTC Features | Periodic Interrupt Square-Wave Output |
| Supply Voltage Range | 4.5V to 5.5V |
| Termination Type | Through Hole |
| Voltage Vcc Max | 5V |
Last 6 months Inventory & Pricing History
Alternative Descriptions
| Real-Time Clocks | Analog Devices |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a DS12887+ ?
Additional datasheets, footprints and schematics for DS12887+ are listed on our Part Details page. You can also find images and similar parts to DS12887+ on this page.
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Is the DS12887+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
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Authorised distributors including Analog Devices have stock available or on a lead time for DS12887+ .
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