ISL12008 I2C Real Time Clock with Battery Backup В® Data Sheet September 26, 2008 FN6690.1 Low Power RTC with Battery ReSealв„ў
Function Features The ISL12008 device is a low power real time clock/calendar
that is pin compatible and functionally equivalent to the
ST M41T00S and Maxim DS1340 with timing and crystal
compensation. The device additionally provides power-fail
indicator, software alarm and intelligent battery backup. Functionality Equivalent to ST M41T00S and Maxim
DS1340 The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, and seconds. The device has calendar
registers for date, month, year and day of the week. The
calendar is accurate through 2099, with automatic leap year
correction. Pinout Pin Compatible to ST M41T00S and Maxim DS1340 Real Time Clock/Calendar
-Tracks Time in Hours, Minutes, Seconds and
Sub-seconds
-Day of the Week, Day, Month, and Year 512Hz Frequency Outputs for On-Chip Crystal
Compensation Software Alarm
-Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month Automatic Low-Drop Battery Switch for Longest Backup
Life ISL12008
(8 LD SOIC)
TOP VIEW Power Failure Detection X1 1 8 VDD Battery ReSealв„ў for Long Shelf Life I2C Busв„ў
-400kHz Data Transfer Rate X2 2 7 FT/OUT VBAT 3 6 SCL GND 4 5 SDA 800nA Battery Supply Current Small Package Option
-8 Ld SOIC Ordering Information …