PART NO.	PRICE	QUANTITY		STOCK	MANUFACTURE	DESCRIPTION	Mounting Style	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	Supply Voltage - Max	Supply Voltage - Min	Battery Backup Switching	RTC Bus Interface	Date Format	Time Format
DS3231SN	1+ $9.000 10+ $9.000 25+ $8.000 50+ $7.000		PDF RFQ	3,713 In-stock	Maxim Integrated	Real Time Clock Integrated RTC/TCXO/Crystal	SMD/SMT	SOIC-16	- 40 C	+ 85 C	Bulk	5.5 V	2.3 V	Backup Switching	Serial, I2C	DW:DM:M:Y	HH:MM:SS
RTC-72423A:ROHS	1+ $6.130 10+ $5.770 25+ $5.680 50+ $5.600		PDF RFQ	544 In-stock	Epson Timing	Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C	SMD/SMT	SOP-24	- 40 C	+ 85 C	Bulk	5.5 V	4.5 V		Parallel	DW:DM:M:Y	HH:MM:SS
RX-8581SA:B	1+ $3.180 10+ $2.960 100+ $2.590 250+ $2.560		PDF RFQ	419 In-stock	Epson Timing	Real Time Clock i2C Bus -40C +85C 5 +/-23ppm	SMD/SMT	SOIC-14	- 40 C	+ 85 C	Bulk	5.5 V	1.8 V		Serial, I2C	DW:DM:M:Y	HH:MM:SS
RTC-4543SA:B ROHS	1+ $2.680 10+ $2.490 100+ $2.190 250+ $2.080		PDF RFQ	16,250 In-stock	Epson Timing	Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C	SMD/SMT	SOIC-14	- 40 C	+ 85 C	Bulk	5.5 V	2.5 V		Serial, 3-Wire	DW:DM:M:Y	HH:MM:SS
RTC-4543SA:A ROHS	1+ $3.250 10+ $3.020 100+ $2.640 250+ $2.520	GET PRICE VIEW	PDF RFQ		Epson Timing	Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C	SMD/SMT	SOIC-14	- 40 C	+ 85 C	Bulk	5.5 V	2.5 V		Serial, 3-Wire	DW:DM:M:Y	HH:MM:SS
RTC-7301SF:B ROHS	250+ $5.010 500+ $4.440 1000+ $4.170 2500+ $4.130	GET PRICE VIEW	PDF RFQ		Epson Timing	Real Time Clock 4 Bit 2.4 to 5.5Volt 5 +/-23ppm -40C +85C	SMD/SMT	SSOP-24	- 40 C	+ 85 C	Bulk	5.5 V	2.4 V		Serial, 4-Wire	DW:DM:M:Y	HH:MM:SS
RTC-72423B:ROHS	250+ $5.250 500+ $4.650 1000+ $4.370 2500+ $4.330	GET PRICE VIEW	PDF RFQ		Epson Timing	Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin	SMD/SMT	SOIC-24	- 40 C	+ 85 C	Bulk	5.5 V	4.5 V		Parallel	DW:DM:M:Y	HH:MM:SS