Low Power RTC With Battery Backed SRAM And Event Detection
The ISL1221 device is a low power Real Time Clock with Event Detect and Time Stamp function, Timing and crystal compensation, Clock calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching with separate FOUT output and 2 Bytes of 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.
By Intersil Corporation
|ISL1221 Pb-Free||ISL1221 Cross Reference||ISL1221 Schematic||ISL1221 Distributor|
|ISL1221 Application Notes||ISL1221 RoHS||ISL1221 Circuits||ISL1221 footprint|