ISL1208IU8Z-TK

Product Summary

The ISL1208IU8Z-TK 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 32.768 kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The ISL1208IU8Z-TK has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction. The applications of the ISL1208IU8Z-TK include 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.

Parametrics

ISL1208IU8Z-TK absolute maximum ratings: (1)Voltage on VDD, VBAT, SCL, SDA, and IRQ pins (respect to ground): -0.5V to 7.0V; (2)Voltage on X1 and X2 pins (respect to ground): -0.5V to VDD + 0.5 (VDD Mode); -0.5V to VBAT + 0.5 (VBAT Mode); (3)Storage Temperature: -65℃ to +150℃; (4)Lead Temperature (Soldering, 10s): 300℃.

Features

ISL1208IU8Z-TK features: (1)Real Time Clock/Calendar; (2)Tracks Time in Hours, Minutes, and Seconds; (3)Day of the Week, Day, Month, and Year; (4)15 Selectable Frequency Outputs; (5)Single Alarm: Settable to the Second, Minute, Hour, Day of the Week, Day, or Month; (6)Single Event or Pulse Interrupt Mode; (7)Automatic Backup to Battery or Super Cap; (8)Power Failure Detection; (9)On-Chip Oscillator Compensation; (10)2 Bytes Battery-Backed User SRAM; (11)I2C Interface: 400kHz Data Transfer Rate; (12)400nA Battery Supply Current; (13)Same Pin Out as ST M41Txx and Maxim DS13xx Devices; (14)Small Package Options: 8 Ld MSOP and SOIC Packages; (15)Pb-Free Plus Anneal Available (RoHS Compliant).

Diagrams