DS12887+ - Maxim Integrated

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

Part No

DS12887+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW688673
Category

Real Time Clock IC
Package

DIP-24
Description

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

Datasheet

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DS12887+ Specifications

Attribute	Attribute Value

Part Number	DS12887+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW688673
Category	Real Time Clock IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	24 Pin
Case/Package	DIP-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	18.8 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 DS12887+ is a real time clock in 24 pin DIP package. This device provides real time clock/calendar, one time of day alarm, three maskable interrupts with common interrupt output, programmable square wave and 114bytes of battery backed static RAM. The DS12887 integrates quartz crystal and lithium energy source into 24 pin encapsulated DIP package. The date at 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 24hour or 12hour format with an AM/PM indicator. A precision temperature compensated circuit monitors the status of VCC. If primary power failure is detected, the device automatically switches to backup supply. It is accessed through multiplexed byte wide interface which supports both Intel and Motorola modes.
Drop-in replacement for IBM AT computer clock/calendar
Counts seconds, minutes, hours, day, date, month and year with leap year compensation through 2099
Binary or BCD time representation
Daylight saving time option
Interfaced with software as 128 RAM locations
14bytes of clock and control registers
UL recognized
Periodic rates from 122µs to 500ms
Supply voltage range from 4.5V to 5.5V
Operating temperature range from 0°C to 70°C
Negative voltage undershoots below -0.3V while device is in battery backed mode may cause loss of data.

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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