Product Summary

The DS12C887+ is a real-time clock (RTC). It provides 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 batterybacked static RAM. It is suitable for embedded systems, utility meters, security systems, network hubs, bridges, and routers.

Parametrics

Absolute maximum ratings: (1)Voltage Range on VCC Pin Relative to Ground: -0.3V to +6.0V; (2)Operating Temperature Range, Commercial (noncondensing): 0℃ to +70℃; (3)Operating Temperature Range, Industrial (noncondensing): -40℃ to +85℃; (4)Storage Temperature Range: -55℃ to +125℃; (5)Soldering Temperature (leads, 10s): +260℃.

Features

Features: (1)Drop-In Replacement for IBM AT Computer Clock/Calendar; (2)RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Through 2099; (3)Binary or BCD Time Representation; (4)12-Hour or 24-Hour Clock with AM and PM in 12-Hour Mode; (5)Daylight Saving Time Option; (6)Selectable Intel or Motorola Bus Timing; (7)Interfaced with Software as 128 RAM Locations; (8)14 Bytes of Clock and Control Registers; (9)Interrupt Output with Three Independently Maskable Interrupt Flags; (10)Time-of-Day Alarm Once Per Second to Once Per Day.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DS12C887+
DS12C887+
Maxim Integrated Products
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Data Sheet
0-1: $6.62
1-25: $4.45
25-50: $3.23
50-100: $3.19
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(USD)		 Quantity
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1-10: $1.24
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1-10: $228.12
10-50: $220.65
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Data Sheet
0-1: $239.90
1-10: $235.62
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