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DS1315EN-33T&R

Real Time Clock Phantom Time Chip

Product Category: Real Time Clocks
Mfr. Part #
DS1315EN-33+T&R
Manufacturer: Analog Devices Inc.
Package: Reel
Lead Free Status /RoHS Status:
Data Sheet: DS1315EN-33+T&R Datasheet
Inventory: In Stock

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Mfr. Part #: DS1315EN-33+T&R

Specifications
Product Details

Specifications

Manufacturer Analog Devices Inc.

Mounting Style SMD/SMT

Package / Case TSSOP-20

RTC Bus Interface Phantom Clock

Time Format HH:MM:SS:hh

Battery Backup Switching Backup Switching

RTC Memory Size 8 B

Supply Voltage - Max 3.6 V

Supply Voltage - Min 3 V

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 85 C

Packaging Reel

Function Calendar, Clock

Series DS1315EN

Brand Analog Devices / Maxim Integrated

Product Type Real Time Clocks

Standard Pack Qty 2500

Subcategory Clock & Timer ICs

Product Details

DESCRIPTION

The DS1315 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller. In the absence of power, an external battery maintains the timekeeping operation and provides power for a CMOS static RAM. The watch keeps track of hundredths of seconds, seconds, minutes, hours, day, date, month, and year information. The last day of the month is automatically adjusted for months with less than 31 days, including leap year correction. The watch operates in one of two formats: a 12-hour mode with an AM/PM indicator or a 24-hour mode. The nonvolatile controller supplies all the necessary support circuitry to convert a CMOS RAM to a nonvolatile memory. The DS1315 can be interfaced with either RAM or ROM without leaving gaps in memory.

FEATURES

â– Real time clock keeps track of hundredths of
seconds, seconds, minutes, hours, days, date
of the month, months, and years
â– Adjusts for months with fewer than 31 days
â– Automatic leap year correction valid up to
2100
â– No address space required to communicate
with RTC
â– Provides nonvolatile controller functions for
battery backup of SRAM
â– Supports redundant battery attachment for
highâ€“reliability applications
â– Full Â±10% VCC operating range
â– +3.3 volt or +5 volt operation
â– Industrial (â€“45Â°C to +85Â°C) operating
temperature ranges available
â– Drop in replacement for DS1215

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Mfr. Part #: DS1315EN-33+T&R