ISL12082IUZ-T
I2C总线™实时时钟具有两个中断,报警和定时器 I2C-Bus™ Real Time Clock with Two Interrupts, Alarm, and Timer
Low Power RTC with Battery ReSeal™, 2 IRQs, Hundredths of a Second Time, and Crystal Compensation
The ISL12082 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, 2 IRQs, periodic or polled alarm, timer/watchdog, and intelligent battery backup switching.
The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, seconds and hundredths of a second. 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, Seconds, and Hundredths of a Second
- Day of the Week, Day, Month, and Year
• 4 Selectable Frequency Outputs
• Alarm
- Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
- Single Event or Pulse Interrupt Mode
• Timer
- 4 Selectable Timer Functions
- 4 Selectable Timer Clock Frequencies
- Single Event or Pulse Interrupt Mode
• Automatic Backup to Battery or Supercapacitor
• Power Failure Detection
• Battery ReSeal™
• On-Chip Oscillator Compensation
• I2C Interface
- 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Small Package Options
- 8 Ld SOIC Package
- 10 Ld MSOP Package
• Pb-Free RoHS Compliant
Applications
• Utility Meters
• HVAC Equipment
• Audio/Video Components
• Set-Top Box/Television
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• POS Equipment
• Test Meters/Fixtures
• Office Automation Copiers, Fax
• Home Appliances
• Computer Products