ISL12027 Real Time Clock/Calendar with EEPROM 2.7 to 5.5 1.8 to 5.5 850 2 Y Y Y Y Y 5 Select VTRIP Levels from 2.63V to 4.64V Y -64 to +110 512x8-Bit EEPROM 1.65 8 Ld SOIC 8 Ld SOIC T+R 8 Ld TSSOP 8 Ld TSSOP T+R ISL12028 Real Time Clock/Calendar with I2 C Bus and EEPROM 2.7 to 5.5 1.8 to 5.5 850 2 Y 3 Y Y Y Y 5 Select VTRIP Levels from 2.63V to 4.64V IRQ_bar/FOUT IRQ_bar/FOUT Y -64 to +110 512x8-Bit EEPROM 1.80 14 Ld SOIC 14 Ld SOIC T+R 14 Ld TSSOP 14 Ld TSSOP T+R ISL1218 Low Power RTC with Battery Backed SRAM 2.7 to 5.5 1.8 to 5.5 400 1 Y 15 N N Y Y IRQ_bar/FOUT IRQ_bar/FOUT N -94 to +140 8 Bytes 1.27 8 Ld MSOP 8 Ld MSOP T+R 8 Ld SOIC 8 Ld SOIC T+R ISL1219 Low Power RTC with Battery Backed SRAM and Event Detection 2.7 to 5.5 1.8 to 5.5 400 1 Y 15 N N Y Y IRQ_bar/FOUT IRQ_bar/FOUT N -94 to +140 2 Bytes Event Detect Time Stamp 1.32 10 Ld MSOP 10 Ld MSOP T+R ISL1220 Low Power RTC with 8 Bytes of Battery Backed SRAM and Separate FOUT 2.7 to 5.5 1.8 to 5.5 400 1 Y 15 N N Y Y IRQ_bar FOUT N -94 to +140 8 Bytes 1.14 10 Ld MSOP 10 Ld MSOP T+R ISL1221 Low Power RTC with Battery Backed SRAM and Event Detection 2.7 to 5.5 1.8 to 5.5 400 1 Y 15 N N Y Y IRQ_bar/EVDET_bar FOUT N -94 to +140 2 Bytes Event Detect Time Stamp 1.40 10 Ld MSOP 10 Ld MSOP T+R