Product Information
Product Overview
ISL1220IUZ-T is a low power RTC with 8bytes of battery backed SRAM and separate FOUT. It 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, battery-backed user SRAM and separate FOUT and IRQ outputs. The oscillator uses an external, low-cost 32.768KHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. It has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction. Application includes 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, other industrial/medical/automotive.
- Tracks time in hours, minutes, and seconds, day of the week, day, month, and year
- Frequency output pin, 15 selectable output frequencies
- Single alarm with separate interrupt pin
- Settable to the second, minute, hour, day of the week, day, or month
- Automatic backup to battery or super cap
- Power failure detection, on-chip oscillator compensation
- 8bytes battery-backed user SRAM
- 400KHz data transfer rate
- 400nA battery supply current
- 10 lead MSOP package, temperature range from -40 to +85°C
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Technical Specifications
Day; Date; Month; Year
Alarm RTC
5.5V
10Pins
-40°C
-
No SVHC (12-Jan-2017)
HH:MM:SS
2.7V
MSOP
I2C
85°C
-
Technical Docs (3)
Legislation and Environmental
Country in which last significant manufacturing process was carried outCountry of Origin:Singapore
Country in which last significant manufacturing process was carried out
RoHS
RoHS
Product Compliance Certificate