ISL1208
Description
X1 The X1 pin is the input of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal. X1 can also be driven directly from a 32.768kHz source. 2 X2 The X2 pin is the output of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal. 3 VBAT This input provides a backup supply voltage to the device.
Key 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 Capacitor
- Power Failure Detection
- On-Chip Oscillator Compensation
- 2 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
