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Manufacturer Part No	Order Code	Manufacturer / Description	Price for	Price	Interfaces	Date Format	Time Format	Time Format	Clock IC Type	Supply Voltage Min	Clock IC Case Style	Supply Voltage Max	IC Case / Package	No. of Pins	IC Interface Type	Operating Temperature Min	Operating Temperature Max

DS1307+	73Y1206 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC IC	Each	1+$7.130 10+$5.480 25+$5.150 50+$4.820 100+$4.620 More Pricing...	I2C, Serial	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	-	4.5V	-	5.5V	DIP	8Pins	-	0°C	70°C
M48T58Y-70PC1	72K7215 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS REAL-TIME CLOCK YY-MM-DD-DD HH:MM:SS	Each	1+$35.150 5+$32.250 10+$29.340 36+$27.410 60+$26.690 More Pricing...	Parallel	YY-MM-DD-dd	HH:MM:SS	HH:MM:SS	Timekeeper	4.5V	DIP	5.5V	DIP	28Pins	Parallel	0°C	70°C
DS3231S#	78Y4800 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES Real Time Clock IC YY-MM-DD HH:MM:SS 2.3 to 5.5 V WSOIC-16 I2C 0°C to 70°C	Each	1+$15.970 10+$12.620 25+$11.970 92+$11.340 138+$11.010 More Pricing...	I2C	YY-MM-DD	HH:MM:SS	HH:MM:SS	RTC	2.3V	WSOIC	5.5V	WSOIC	16Pins	I2C	0°C	70°C
DS12887A+	79Y4481 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC	Each	1+$20.110 10+$17.870 28+$15.610 56+$14.890 112+$14.340 More Pricing...	Parallel	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	RTC	4.5V	EDIP	5.5V	EDIP	24Pins	Parallel	0°C	70°C
DS12C887+	73Y1079 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/ NVSRAM 904B HH:MM:SS EDIP-24	Each	1+$19.530 10+$17.340 28+$15.130 56+$14.420 112+$13.890 More Pricing...	Multiplexed	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	Alarm RTC	4.5V	EDIP	5.5V	EDIP	24Pins	Multiplexed	0°C	70°C
DS12887+	78Y4773 Data Sheet RoHS	ANALOG DEVICES RTC 12HR/24HR 4.5V TO 5.5V EDIP-24	Each	1+$20.130 10+$15.630 28+$15.270 56+$14.900 112+$14.350 More Pricing...	Multiplexed	YYYY:MM:DD:Hr:Min:Secs	12Hr / 24Hr	12Hr / 24Hr	-	4.5V	-	5.5V	EDIP	24Pins	-	0°C	70°C
DS1244Y-70+	73Y1160 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/ NVSRAM 256KB HH:MM:SS:HH EDIP	Each	1+$57.470 5+$55.890 10+$54.310 36+$52.730 60+$50.660 More Pricing...	Parallel	Day; Date; Month; Year	HH:MM:SS:hh	HH:MM:SS:hh	RTC	4.5V	EDIP	5.5V	EDIP	28Pins	Parallel	0°C	70°C
DS1243Y-120+	73Y1159 Data Sheet RoHS	ANALOG DEVICES RTC W/ NVSRAM 64KB HH:MM:SS:HH EDIP28	Each	1+$50.690 5+$49.300 10+$47.930 36+$46.540 60+$44.730 More Pricing...	Parallel	Day; Date; Month; Year	HH:MM:SS:hh	HH:MM:SS:hh	RTC	4.5V	EDIP	5.5V	EDIP	28Pins	Parallel	0°C	70°C
DS3231S#T&R	38AC0955 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 2.3 V to 5.5 V supply SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+$14.000 10+$11.020 25+$10.280 50+$9.860 100+$9.450 More Pricing...	I2C	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	RTC	2.3V	SOIC	5.5V	SOIC	16Pins	I2C	0°C	70°C
DS1307Z+T&R	38AC0917 Data Sheet RoHS	ANALOG DEVICES RTC Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 4.5V to 5.5V Supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+$5.760 10+$4.400 25+$4.050 50+$3.870 100+$3.680 More Pricing...	I2C	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	RTC	4.5V	SOIC	5.5V	SOIC	8Pins	I2C	0°C	70°C
DS1302Z+	78Y4774 Data Sheet RoHS	ANALOG DEVICES Timekeeper Date Time Format (Day/Date/Month/Year HH:MM:SS) 3 Wire Serial 2V to 5.5 V SOIC-8	Each	1+$6.820 10+$5.230 25+$4.840 50+$4.630 100+$4.400 More Pricing...	3 Wire	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	Timekeeper	2V	SOIC	5.5V	SOIC	8Pins	3 Wire, Serial	0°C	70°C
DS1305E+	14AC3757 Data Sheet RoHS	ANALOG DEVICES RTC Format (Day/Date/Month/Year/12Hr/24Hr) 3 Wire Serial 2V to 5.5V Supply TSSOP-20	Each	1+$10.670 10+$8.330 25+$7.950 50+$7.580 148+$7.210 More Pricing...	3 Wire, Serial	Day; Date; Month; Year	HH:MM:SS	12Hr / 24Hr	RTC	2V	TSSOP	5.5V	TSSOP	20Pins	3 Wire, Serial	0°C	70°C
DS1744-70+	73Y1367 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/NV SRAM 32KB EDIP-28	Each	1+$62.150 5+$58.320 10+$54.480 36+$50.640 60+$47.610	Bytewide	Day; Date; Month; Year; Century	HH:MM:SS	HH:MM:SS	RTC	4.5V	EDIP	5.5V	EDIP	28Pins	Bytewide	0°C	70°C
DS1746-70+	73Y1373 Data Sheet RoHS	ANALOG DEVICES RTC W/ NV SRAM 128KB EDIP-32	Each	1+$66.990 5+$61.000 10+$55.000 33+$53.340 55+$51.690	Bytewide	Day; Date; Month; Year; Century	HH:MM:SS	HH:MM:SS	RTC	4.5V	EDIP	5.5V	EDIP	32Pins	Bytewide	0°C	70°C
DS1305E+T&R	68AH9616 Data Sheet RoHS	ANALOG DEVICES REAL TIME CLOCK 2V TO 5.5V TSSOP-20	Each (Supplied on Cut Tape) Cut Tape	1+$9.410 10+$7.310 25+$6.780 50+$6.490 100+$6.190 More Pricing...	3 Wire, Serial, SPI	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	Alarm RTC	2V	TSSOP	5.5V	TSSOP	20Pins	3 Wire, Serial, SPI	0°C	70°C
DS17887-5+	73Y1388 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/ NV SRAM 8KB EDIP-24	Each	1+$41.810 5+$38.520 10+$35.240 28+$34.240 56+$33.240 More Pricing...	Multiplexed	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	Alarm RTC	4.5V	EDIP	5.5V	EDIP	24Pins	Multiplexed	0°C	70°C
DS1554WP-120+	38AC0924 Data Sheet RoHS	ANALOG DEVICES RTC BYTEWIDE 3.63V PWRCP-34	Each	1+$41.660 5+$37.800 10+$33.920 25+$32.550 80+$31.190 More Pricing...	Bytewide	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	RTC	2.97V	PWRCP	3.63V	PWRCP	34Pins	Bytewide	0°C	70°C
M48T35AV-10MH1F	51AC9309 Data Sheet RoHS	STMICROELECTRONICS RTC CLOCK/CALENDAR	Each	1+$22.350 5+$20.360 10+$18.340 25+$17.200 50+$17.130 More Pricing...	Parallel	YY-MM-DD-dd	HH:MM:SS	HH:MM:SS	Calendar, Clock	3V	SOIC	3.6V	SOIC	28Pins	Parallel	0°C	70°C
DS1251Y-70+	73Y1182 Data Sheet RoHS	ANALOG DEVICES RTC W/ NVSRAM 4096KB HH:MM:SS:HH EDIP	Each	1+$63.640 5+$61.200 10+$58.750 30+$57.390 50+$56.030 More Pricing...	Bytewide	Day; Date; Month; Year	HH:MM:SS:hh	HH:MM:SS:hh	RTC	4.5V	EDIP	5.5V	EDIP	32Pins	Bytewide	0°C	70°C
DS3234S#T&R	38AC0958 Data Sheet RoHS	ANALOG DEVICES RTC Date Time Format (Day/Date/Month/Year HH:MM:SS) SPI 2V to 5.5V Supply SOIC-20	Each (Supplied on Cut Tape) Cut Tape	1+$14.390 10+$11.320 25+$10.560 50+$10.140 100+$9.720 More Pricing...	SPI	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	RTC	2V	SOIC	5.5V	SOIC	20Pins	SPI	0°C	70°C
DS3234S#	68AH9636 Data Sheet RoHS	ANALOG DEVICES REAL TIME CLOCK 2V TO 5.5V SOIC-20	Each	1+$15.850 10+$12.510 25+$11.960 72+$11.400 108+$11.060 More Pricing...	Serial, SPI	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	RTC	2V	SOIC	5.5V	SOIC	20Pins	Serial, SPI	0°C	70°C
DS1306E+T&R	73Y1204 Data Sheet RoHS	ANALOG DEVICES RTC Day/Date/Month/Year HH:MM:SS Alarm RTC SPI 2 V to 5.5 V Supply TSSOP-20	Each (Supplied on Cut Tape) Cut Tape	1+$8.610 10+$6.660 25+$6.170 50+$5.910 100+$5.630 More Pricing...	SPI	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	Alarm RTC	2V	TSSOP	5.5V	TSSOP	20Pins	SPI	0°C	70°C
DS12C887A+	73Y1080 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/ NVSRAM 904B HH:MM:SS EDIP-24	Each	1+$19.530 10+$15.140 28+$14.780 56+$14.420 112+$13.890 More Pricing...	Multiplexed	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	Alarm RTC	4.5V	EDIP	5.5V	EDIP	24Pins	Multiplexed	0°C	70°C
DS1302+	81Y9050 Data Sheet RoHS	ANALOG DEVICES IC TRICKLE CHARGE RTC 1302 DIP8	Each	1+$6.940 10+$5.340 25+$5.010 50+$4.690 100+$4.490 More Pricing...	3 Wire, Serial	Day; Date; Month; Year	HH:MM:SS	HH:MM:SS	-	2V	-	5.5V	DIP	8Pins	-	0°C	70°C
DS1305+	81Y9052 Data Sheet RoHS	ANALOG DEVICES RTC Date Time Format (Day/Date/Month/Year 12Hr/24Hr) 3 Wire Serial 2V to 5.5 V DIP-16	Each	1+$11.730 10+$9.170 25+$8.530 50+$8.180 100+$7.840 More Pricing...	3 Wire, Serial	Day; Date; Month; Year	HH:MM:SS	12Hr / 24Hr	RTC	2V	DIP	5.5V	DIP	16Pins	3 Wire, Serial	0°C	70°C

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