ISL12022MIBZ-T7A Datasheet, PDF (29/31 Pages) Intersil Corporation – Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving

ISL12022M
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web to make sure you
have the latest Rev. (Continued)
DATE
REVISION
CHANGE
October 26, 2009
FN6668.6 Added "Default 32.768kHz frequency output" following "Interrupt Output/Frequency Output" in IRQ/Fout pin
description.
Added Typical Application Circuit to page 1.
Converted to New Intersil Template
Updated ordering information by numbering all notes, setting up links, added MSL (Moisture Sensitivity Level) note.
Updated word "Pinout" to "Pin Configuration".
Pin Descriptions updated to tabular format.
Added "boldface limits..." text in Electrical Specification Conditions to indicate Min and Max over-temp. Bolded all
applicable specs.
Added “Revision History” and “Products” sections.
Added Table of Contents.
In Features (removed):
1. Real Time Clock
2. Customer Programmable Day Light Saving
3. Combined Alarm and Fout to "Interrupt for Alarm or 15 selectable Frequency Outputs".
4. Combined Battery and VDD monitor to "VDD and Battery Status Monitors".
5. Removed Oscillator Failure Detection
6. Shortened Time stamp for battery to "Time Stamp for Battery Switch Over".
7. Removed all sub-bullets for each feature to save space
In Applications (removed):
1. Medical Devices, Vending Machine, and Security System.
Under thermal information, added Theta Jc value of 35C/W. As this is special package with offset die, added note 5
to read "For θ_JC, the “case temp” location is on top of the package and measured in the center of the package
between pins 6 and 15."
July 10, 2009
FN6668.5 The updates clarify the voltage range for the SCL and SDA pins in the Absolute Maximum Ratings section and include
additional verbiage in the Functional Description, Control and Status Registers, and Application sections relating to
the Battery Level Monitor, Low VDD Indicator Bit (LVDD), Low Battery Indicator Bit (LBAT85 /LBAT75), and Battery-
Backup operation.
December 18, 2008 FN6668.4 Changed Storage Temperature on page 5 from:
"-65°C to +165°C" to "-40°C to +85°C"
December 15, 2008 FN6668.3 Added spec to datasheet - Delta FoutI on page 6.
Added Tape and Reel Reference Note to Ordering Information.
December 9, 2008 FN6668.2 Updated the following parameters in the spec table on page 5:
1. Changed Max for IDD1@5V from 6.5 to 7, and IDD1 @3V from 5.5 to 6.
2. Removed ÄATLSB (AT Sensitivity per LSB) from spec table.
29
FN6668.9
June 20, 2012