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Dallas Real Time Clock

DS12887+
Photo of the top of a Dallas real time clock IC.

$24.95

Out of Stock
QTY Price
1 $24.95

Description

The Dallas DS12887+ Real Time Clock (RTC) plus RAM is a direct replacement for the DS1287. The DS12887 is identical in form, fit, and function to the DS1287. It also has an additional 64 bytes of general-purpose RAM. Access to this additional RAM space is determined by the logic level presented on AD6 during the address portion of an access cycle. A lithium energy source, quartz crystal, and write-protection circuitry are contained within a 24-pin dual in-line package. As such, the DS12887 is a complete subsystem replacing 16 components in a typical application. The functions include a nonvolatile time-of-day clock, an alarm, a 100-year calendar, a programmable interrupt, a square-wave generator, and 114 bytes of NV SRAM. The RTC is unique in that time of day and memory are maintained even in the absence of power.

Specifications

Date Format

Day; Date; Month; Year

Clock Format

HH:MM:SS

Clock IC Type

RTC

Supply Voltage

4.5V - 5.5V

IC Interface Type

Parallel

Operating Temperature

0°C - 70°C

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Products may differ from pictured.
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