DATASHEET ISL12058 FN6756 2 Rev 1.00 Low Cost and Low Power I C-Bus Real Time Clock/Calendar Low Power and Low Dec 10, 2015 Cost RTC with Alarm Function The ISL12058 device is a low power real time clock with Features clock/calendar, and alarm function. Real Time Clock/Calendar The oscillator uses an external, low-cost 32.768kHz crystal. - Tracks Time in Hours, Minutes, and Seconds The real time clock tracks time with separate registers for - Day of the Week, Date, Month, and Year hours, minutes, and seconds. The device has calendar 4 Selectable Frequency Outputs registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year 2 Alarms correction. - Settable to the Second, Minute, Hour, Day of the Week, Date, or Month 2 Pinouts I C Interface - 400kHz Data Transfer Rate ISL12058 (8 LD SOIC, MSOP) Small Package Options TOP VIEW - 8 Ld 2mmx2mm TDFN Package - 8 Ld 3mmx3mm TDFN Package X1 1 8 V DD - 8 Ld MSOP Package X2 2 7 IRQ/F OUT - 8 Ld SOIC Package NC 3 6 SCL - Pb-Free (RoHS Compliant) GND 4 5 SDA Low Cost 3V Alternative to ISL1208 and ISL12082 Applications Utility Meters HVAC Equipment ISL12058 (8 LD 2x2 TDFN, 8 LD 3x3 TDFN) Audio/Video Components TOP VIEW Set-Top Box/Television Modems X1 V 1 8 DD X2 2 7 IRQ/F Network Routers, Hubs, Switches, Bridges OUT NC SCL 3 6 Cellular Infrastructure Equipment GND 4 5 SDA Fixed Broadband Wireless Equipment Pagers/PDA Point Of Sale Equipment Test Meters/Fixtures Office Automation (Copiers, Fax) Home Appliances Computer Products Other Industrial/Medical/Automotive FN6756 Rev 1.00 Page 1 of 20 Dec 10, 2015ISL12058 ISL12058 . Ordering Information PART PART V RANGE TEMP. RANGE PACKAGE PKG. DD NUMBER MARKING (V) (C) (Pb-Free) DWG. ISL12058IBZ (Note 1) 12058 IBZ 1.4 to 3.6 -40 to +85 8 Ld SOIC M8.15 ISL12058IBZ-T* (Note 1) 12058 IBZ 1.4 to 3.6 -40 to +85 8 Ld SOIC (Tape and Reel) M8.15 ISL12058IUZ (Note 1) 12058 1.4 to 3.6 -40 to +85 8 Ld MSOP M8.118 ISL12058IUZ-T* (Note 1) 12058 1.4 to 3.6 -40 to +85 8 Ld MSOP (Tape and Reel) M8.118 ISL12058IRTZ (Note 1) 2058 1.4 to 3.6 -40 to +85 8 Ld TDFN L8.3x3I ISL12058IRTZ-T* (Note 1) 2058 1.4 to 3.6 -40 to +85 8 Ld TDFN (Tape and Reel) L8.3x3I ISL12058IRUZ-T* (Note 2) 058 1.4 to 3.6 -40 to +85 8 Ld TDFN (Tape and Reel) L8.2x2 No longer available or supported *Please refer to TB347 for details on reel specifications. NOTES: 1. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets molding compounds/die attach materials and NiPdAu plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Block Diagram SDA SECONDS SDA BUFFER 2 I C RTC MINUTES INTERFACE SCL SCL CONTROL BUFFER LOGIC HOURS DAY OF WEEK X1 CRYSTAL RTC DATE OSCILLATOR DIVIDER X2 MONTH YEAR V DD POR FREQUENCY ALARM1 ALARM2 OUT CONTROL REGISTERS F IRQ/ OUT INTERNAL SUPPLY FN6756 Rev 1.00 Page 2 of 20 Dec 10, 2015