DS1511W+ - Maxim Integrated

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

Part No

DS1511W+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW12721379
Category

Real Time Clock IC
Package

DIP-28
Description

Real Time Clock (RTC) IC Clock/Calendar 256B Parallel 28-DIP Module (0.600", 15.24mm)
Documentation

Datasheet

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DS1511W+ Specifications

Attribute	Attribute Value

Part Number	DS1511W+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW12721379
Category	Real Time Clock IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	28 Pin
Case/Package	DIP-28
Supply Voltage (DC)	3.00V (min)
Number of Outputs	11 Output
Number of Positions	28 Position
Clock Speed	32.8 kHz
Memory Size	256 B
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	2.5V ~ 3.7V
Supply Voltage (Max)	3.6 V
Supply Voltage (Min)	3 V
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Size-Length	37.34 mm
Size-Width	14.61 mm
Size-Height	4.45 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The DS1511W+ is a Y2K compliant watchdog real time clock (RTC) in 28 pin EDIP package. It is a low power clock/date device with a programmable day of week/date alarm and it has 3.3V operation. This full function, year 2000 compliant real time clock/calendar contains RTC alarm, watchdog timer, precision power-on reset, battery monitors, 256byte battery backed NV SRAM and 32.768KHz output. It is a standalone encapsulated DIP module with embedded battery and crystal. User access to all registers within the DS1511 is accomplished with bytewide interface. The RTC registers includes BCD coded century, year, month, date, day, hours, minutes and seconds with automatic leap year compensation valid up to the year 2100 (corrections for day of month and leap year are made automatically). Power control circuitry supports system power-on from date/day/time alarm or key closure/modem detect signal. The DS1511 is used in remote systems, battery backed systems, telecom switches and office equipments.
Supply voltage range from 3V to 3.6V
Operating temperature range from 0°C to 70°C
Accuracy is better than ±1 minute/month at +25°C
Programmable watchdog timer and RTC alarm
Auxiliary battery input and battery voltage level indicator flags
Day of week/date alarm register
UL recognized
Battery voltage level indicator flags
Active supply current of 10mA
Read cycle time is 120ns and write cycle time is 120ns

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