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Timing Circuits - Real Time Clocks - Low Power RTC with Battery Backed SRAM

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Device	Data- Sheet	Device Description	VCC (V)	VBAT (V)	IBAT (nA)	Accuracy (ppm)	Alarms	Crystal Frequency Trimming	Selectable Frequency Output	CPU Supervisory Function POR	CPU Supervisory Function Watchdog Timer	Battery Seal	Battery Backup	VTRIP for POR	IRQ_bar	FOUT	RESET_bar	Oscillator Compensation (ppm)	SRAM	Other Functions	100-999 Unit MSRP ($)	Package
ISL1208		I2CŪ Real Time Clock/Calendar, 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	2 Bytes		0.96	8 Ld MSOP 8 Ld MSOP T+R 8 Ld SOIC 8 Ld SOIC T+R 8 Ld TDFN 8 Ld TDFN T+R Eval Board
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
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

*Data listed above is for reference only, please refer to Product Data Sheets for current specifications.