器件名称: ISL1218
功能描述: Low Power RTC with Battery Backed SRAM
文件大小: 351.05KB 共21页
简 介:
ISL1218
I2C Real Time Clock/Calendar
Data Sheet June 22, 2006 FN6313.0
Low Power RTC with Battery Backed SRAM
The ISL1218 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM. 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
Real Time Clock/Calendar - Tracks Time in Hours, Minutes, and Seconds - Day of the Week, Day, Month, and Year 15 Selectable Frequency Outputs Single Alarm - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month - Single Event or Pulse Interrupt Mode Automatic Backup to Battery or Super Cap Power Failure Detection On-Chip Oscillator Compensation
Ordering Information
PART NUMBER (Note) ISL1218IBZ ISL1218IBZ-T ISL1218IUZ ISL1218IUZ-T PART MARKING 1218IBZ 1218IBZ 1218Z 1218Z VDD RANGE 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V TEMP. RANGE (°C) PACKAGE (Pb-Free)
8 Bytes Battery-Backed User SRAM I2C Interface - 400kHz Data Transfer Rate 400nA Battery Supply Current Same Pin Out as ST M41Txx and Maxim DS13xx Devices Small Package Options - 8 Ld MSOP and SOIC Packages Pb-Free Plus Anneal Available (RoHS Compliant)……
