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	RTC Memory Size
DS1307+	1+ $3.350 10+ $3.180 25+ $2.940 50+ $2.790		PDF RFQ	4,778 In-stock	Maxim Integrated	Real Time Clock 64x8 Serial I2C RTC	Through Hole	PDIP-8	0 C	+ 70 C	Tube	5.5 V	4.5 V		Serial, I2C	YY-MM-DD	HH:MM:SS	56 B
DS1302+		GET PRICE	PDF RFQ	23,840 In-stock	Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip	Through Hole	PDIP-8	0 C	+ 70 C	Tube	5.5 V	2 V	Backup Switching	Serial, 3-Wire	DW:DM:M:Y	HH:MM:SS	31 B
DS1302N+	1+ $3.720 10+ $3.530 25+ $3.270 50+ $3.110		PDF RFQ	360 In-stock	Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip	Through Hole	PDIP-8	- 40 C	+ 85 C	Tube	5.5 V	2 V	Backup Switching	Serial, 3-Wire	YY-MM-DD	HH:MM:SS	31 B
DS1307N+	1+ $3.340 25+ $2.930 100+ $2.520 1000+ $1.940		PDF RFQ	5,270 In-stock	Maxim Integrated	Real Time Clock 64x8 Serial I2C RTC	Through Hole	PDIP-8	- 40 C	+ 85 C	Tube	5.5 V	4.5 V		Serial, I2C	YY-MM-DD	HH:MM:SS	56 B
MCP7940M-I/P	1+ $0.770 10+ $0.640 25+ $0.590 100+ $0.570		PDF RFQ	561 In-stock	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT	Through Hole	PDIP-8		+ 85 C	Tube	5.5 V	1.8 V	Backup Switching	Serial, I2C	DW:DM:M:Y	HH:MM:SS	64 B
MCP7940N-I/P	1+ $0.960 10+ $0.800 25+ $0.740 100+ $0.700		PDF RFQ	706 In-stock	Microchip Technology	Real Time Clock I2C GP RTCC,64B SRAM	Through Hole	PDIP-8	- 40 C	+ 85 C	Tube	5.5 V	1.8 V	Backup Switching	Serial, 2-Wire, I2C	DW:DM:M:Y	HH:MM:SS	64 B
DS1678+	1+ $7.390 10+ $7.020 25+ $6.480 50+ $6.150		PDF RFQ	67 In-stock	Maxim Integrated	Real Time Clock Real-Time Event Recorder	Through Hole	PDIP-8	- 40 C	+ 85 C	Tube	5.5 V	4.5 V		Serial, I2C	DW:DM:M:Y	HH:MM:SS	32 B
DS1672-2+	1+ $2.830 10+ $2.690 25+ $2.480 50+ $2.360		PDF RFQ	271 In-stock	Maxim Integrated	Real Time Clock I2C 32-Bit Binary Counter RTC	Through Hole	PDIP-8	- 40 C	+ 85 C	Tube	2.2 V	1.8 V		Serial		Binary
DS1672-3+	1+ $2.830 10+ $2.690 25+ $2.480 100+ $2.130		PDF RFQ	135 In-stock	Maxim Integrated	Real Time Clock I2C 32-Bit Binary Counter RTC	Through Hole	PDIP-8	- 40 C	+ 85 C	Tube	3.3 V	2.7 V		Serial		Binary