DS12C887+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DS12C887+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW1186569
Category

Real Time Clock IC
Package

EDIP-24
Description

Programmable Timer, Non-Volatile, 1 Timer(s), CMOS, PDIP24, ROHS COMPLIANT, ENCAPSULATED, DIP-24
Documentation

Datasheet

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DS12C887+ Specifications

Attribute	Attribute Value

Part Number	DS12C887+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW1186569
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 (min)
Operating Voltage	4.5V ~ 5.5V
Number of Outputs	8 Output
Number of Positions	24 Position
Memory Size	114 B
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	2.5V ~ 4V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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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

Product Description

The DS12C887+ is a real time clock (RTC) in 24 pin EDIP 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 113 bytes of battery backed static RAM. It adds a century byte at address 32h, 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. 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

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