器件名称: ISL12008IB8Z
功能描述: I2C Real Time Clock with Battery Backup
文件大小: 293.0KB 共19页
简 介:
I2C Real Time Clock with Battery Backup
Data Sheet September 26, 2008 FN6690.1
ISL12008
Low Power RTC with Battery ReSeal Function
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. 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.
Features
Pin Compatible to ST M41T00S and Maxim DS1340 Functionality Equivalent 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 Power Failure Detection
Pinout
ISL12008 (8 LD SOIC) TOP VIEW
X1 X2 VBAT GND 1 2 3 4 8 7 6 5 VDD FT/OUT SCL SDA
Battery ReSeal for Long Shelf Life I2C Bus - 400kHz Data Transfer Rate 800nA Battery Supply Current
Ordering Information
PART NUMBER (Note) ISL12008IB8Z VDD PART RANGE MARKING (V) TEMP. RANGE PACKAGE PKG. (°C) (Pb-fre……
